Machida; Kenichi

Patent Applications and Registrations

Patent applications and USPTO patent grants for Machida; Kenichi.The latest application filed is for "method for modifying grain boundary of nd-fe-b base magnet, and body with modified grain boundary treated by the method".

Company Profile

1.112.95

Machida; Kenichi - Osaka JP
Machida; Kenichi - Wako JP
Machida; Kenichi - Isesaki JP
Machida; Kenichi - Saitama N/A JP
Machida; Kenichi - Hitachinaka JP
MACHIDA; Kenichi - Isesaki-shi JP
MACHIDA; Kenichi - Wako-Shi JP
MACHIDA; Kenichi - Isezaki JP
Machida; Kenichi - Atsugi JP
Machida; Kenichi - Minoh-shi JP
Machida; Kenichi - Atsugi-shi JP
Machida; Kenichi - Minoo JP
Machida, Kenichi - Minoo City JP
Machida; Kenichi - Gunma JP

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Method for modifying grain boundary of Nd--Fe--B base magnet, and body with modified grain boundary treated by the method Grant 10,589,355 - Uenohara , et al.	2020-03-17
Method for Modifying Grain Boundary of Nd-Fe-B Base Magnet, and Body with Modified Grain Boundary Treated by the Method App 20180326489 - Uenohara; Masaru ; et al.	2018-11-15
Fuel injection amount calculation method and fuel injection controlling apparatus Grant 9,534,554 - Okoshi , et al. January 3, 2	2017-01-03
Apparatus and method for controlling variable valve timing mechanism Grant 9,347,341 - Matsuo , et al. May 24, 2	2016-05-24
Control apparatus of internal combustion engine Grant 9,188,078 - Ogata , et al. November 17, 2	2015-11-17
Engine control apparatus for a vehicle and vehicle incorporating same Grant 9,151,234 - Nakamura , et al. October 6, 2	2015-10-06
Control system of electric actuator and control method thereof Grant 9,121,361 - Shimizu , et al. September 1, 2	2015-09-01
Apparatus and method for controlling variable valve mechanism Grant 9,109,472 - Araya , et al. August 18, 2	2015-08-18
Fuel injection control apparatus for a vehicle, and method of using same Grant 9,008,948 - Machida April 14, 2	2015-04-14
Shift control device for motorcycle, and motorcycle incorporating same Grant 8,948,985 - Sakamoto , et al. February 3, 2	2015-02-03
Device and method for oil pressure sensor fault sensing for vehicle Grant 8,904,855 - Okoshi , et al. December 9, 2	2014-12-09
Restarting Device Of Internal Combustion Engine App 20140350827 - Mukaihara; Osamu ; et al.	2014-11-27
Fuel injection control system Grant 8,826,885 - Asada , et al. September 9, 2	2014-09-09
Engine rotational speed display device Grant 8,803,679 - Nakamura , et al. August 12, 2	2014-08-12
Idle stop control method and control device Grant 8,688,359 - Kuniyoshi , et al. April 1, 2	2014-04-01
Apparatus and Method for Controlling Variable Valve Timing Mechanism App 20140076251 - MATSUO; Nobuhiko ; et al.	2014-03-20
Engine ignition control apparatus Grant 8,573,179 - Asada , et al. November 5, 2	2013-11-05
Vehicle Control Device App 20130268181 - Nagasawa; Yoshiaki ; et al.	2013-10-10
Control Apparatus Of Internal Combustion Engine App 20130261938 - Ogata; Kenichiroh ; et al.	2013-10-03
Fuel injection controlling system of internal combustion engine Grant 8,528,525 - Asada , et al. September 10, 2	2013-09-10
Shift Control Device For Motorcycle, And Motorcycle Incorporating Same App 20130133457 - SAKAMOTO; Naoki ; et al.	2013-05-30
Electronic throttle control system and method Grant 8,434,453 - Okoshi , et al. May 7, 2	2013-05-07
Vehicle control device and idling system Grant 8,413,635 - Machida , et al. April 9, 2	2013-04-09
Engine throttle control system Grant 8,406,981 - Tetsuka , et al. March 26, 2	2013-03-26
Apparatus And Method For Controlling Variable Valve Mechanism App 20130068181 - ARAYA; Norihiro ; et al.	2013-03-21
Engine Control Apparatus For A Vehicle And Vehicle Incorporating Same App 20130073191 - NAKAMURA; Masanori ; et al.	2013-03-21
Reverse rotation preventive device for engine of motorcycle Grant 8,365,709 - Usukura , et al. February 5, 2	2013-02-05
Driving apparatus and control method for electric actuator Grant 8,355,235 - Machida , et al. January 15, 2	2013-01-15
Device And Method For Oil Pressure Sensor Fault Sensing For Vehicle App 20130008244 - OKOSHI; Satoru ; et al.	2013-01-10
Engine Rotational Speed Display Device App 20130002418 - NAKAMURA; Masanori ; et al.	2013-01-03
Flow controlling method for an auxiliary intake flow passage Grant 8,342,152 - Usukura , et al. January 1, 2	2013-01-01
Fuel Injection Amount Calculation Method And Fuel Injection Controlling Apparatus App 20120323467 - OKOSHI; Satoru ; et al.	2012-12-20
Shift controller Grant 8,328,686 - Kobayashi , et al. December 11, 2	2012-12-11
Knock control device for engine Grant 8,327,826 - Okoshi , et al. December 11, 2	2012-12-11
Vehicle speed limiting system Grant 8,296,034 - Tetsuka , et al. October 23, 2	2012-10-23
Shift controller Grant 8,229,637 - Kobayashi , et al. July 24, 2	2012-07-24
Switch opening/closing detection apparatus Grant 8,120,502 - Usukura , et al. February 21, 2	2012-02-21
Idle Stop Control Method and Control Device App 20120035827 - KUNIYOSHI; Hiroyasu ; et al.	2012-02-09
Vehicle Speed Limiting System App 20120016562 - Tetsuka; Takashi ; et al.	2012-01-19
Fuel Injection Control System App 20120016569 - Asada; Yukihiro ; et al.	2012-01-19
Fuel injection control device and method for continuously controlling fuel injection during engine operation based on throttle position Grant 8,055,433 - Omuro , et al. November 8, 2	2011-11-08
Engine starting device Grant 8,044,531 - Kobayashi , et al. October 25, 2	2011-10-25
Ignition control apparatus and method for controlling ignition of a four-cylinder engine Grant 7,997,255 - Asada , et al. August 16, 2	2011-08-16
Controller for Idle Stop System App 20110172900 - MUKAIHARA; Osamu ; et al.	2011-07-14
Fuel Injection Controlling System Of Internal Combustion Engine App 20110100331 - ASADA; Yukihiro ; et al.	2011-05-05
Engine control system and initialization method of the same Grant 7,930,091 - Usukura , et al. April 19, 2	2011-04-19
Electronic Throttle Control System And Method App 20110048373 - OKOSHI; Satoru ; et al.	2011-03-03
Method and apparatus for detecting a stroke of a 4-cycle internal combustion engine, based on changes in rotary engine speed Grant 7,886,584 - Machida , et al. February 15, 2	2011-02-15
Reverse Rotation Preventive Device For Engine Of Motorcycle App 20100319666 - USUKURA; Yasutaka ; et al.	2010-12-23
Method and apparatus for controlling ignition timing of an internal combustion engine based on engine rotary speed Grant 7,823,561 - Omuro , et al. November 2, 2	2010-11-02
Nd-Fe-B magnet with modified grain boundary and process for producing the same Grant 7,824,506 - Machida , et al. November 2, 2	2010-11-02
Engine Ignition Control Apparatus App 20100242908 - ASADA; Yukihiro ; et al.	2010-09-30
Knock Control Device For Engine App 20100242909 - OKOSHI; Satoru ; et al.	2010-09-30
Engine Throttle Control System App 20100250094 - TETSUKA; Takashi ; et al.	2010-09-30
Vehicle Control Device and Idling System App 20100242905 - Machida; Kenichi ; et al.	2010-09-30
R-Fe-B based thin film magnet and method for preparation thereof Grant 7,790,300 - Suzuki , et al. September 7, 2	2010-09-07
Method of controlling fuel injection and ignition of an internal combustion engine, using monitored intake pressure Grant 7,783,411 - Asada , et al. August 24, 2	2010-08-24
Engine starting device App 20100078994 - Kobayashi; Masasaki ; et al.	2010-04-01
Shift Controller App 20100082210 - Kobayashi; Masaki ; et al.	2010-04-01
Shift Controller App 20100081547 - KOBAYASHI; Masaki ; et al.	2010-04-01
Intake air amount control apparatus for engine and control method thereof Grant 7,676,319 - Hano , et al. March 9, 2	2010-03-09
Driving control apparatus for motion mechanism and control method of driving control apparatus Grant 7,623,328 - Machida , et al. November 24, 2	2009-11-24
Switch Opening/closing Detection Apparatus App 20090195398 - USUKURA; Yasutaka ; et al.	2009-08-06
Flow Controlling Method For An Auxiliary Intake Flow Passage App 20090194068 - Usukura; Yasutaka ; et al.	2009-08-06
Fuel injection control apparatus for a vehicle, and method of using same App 20090192695 - Machida; Kenichi	2009-07-30
Method and apparatus for detecting a stroke of a 4-cycle internal combustion engine, based on changes in rotary engine speed App 20090158832 - Machida; Kenichi ; et al.	2009-06-25
Method and apparatus for controlling ingition timing of an internal combustion engine based on engine rotary speed App 20090151695 - Omuro; Yoshiya ; et al.	2009-06-18
Method of controlling fuel injection and ignition of an internal combustion engine, using monitored intake pressure App 20090150048 - Asada; Yukihiro ; et al.	2009-06-11
Ignition control apparatus and method for controlling ignition of a four-cylinder engine App 20090126685 - Asada; Yukihiro ; et al.	2009-05-21
Apparatus for and method of controlling variable valve mechanism Grant 7,513,229 - Miyakoshi , et al. April 7, 2	2009-04-07
Control System Of Electric Actuator And Control Method Thereof App 20090088892 - Shimizu; Hirokazu ; et al.	2009-04-02
Apparatus For And Method Of Controlling Variable Valve Mechanism App 20090088954 - MACHIDA; Kenichi	2009-04-02
Intake Air Amount Control Apparatus For Engine And Control Method Thereof App 20090018754 - Hano; Masaki ; et al.	2009-01-15
Apparatus and method for controlling variable valve operating mechanism Grant 7,458,347 - Machida December 2, 2	2008-12-02
Method and apparatus for controlling variable valve actuation device in internal combustion engine Grant 7,458,348 - Machida , et al. December 2, 2	2008-12-02
Engine Control System And Initialization Method Of The Same App 20080228376 - USUKURA; Yasutaka ; et al.	2008-09-18
Cam angle detecting apparatus, and cam phase detecting apparatus for internal combustion engine and cam phase detecting method thereof Grant 7,409,936 - Machida August 12, 2	2008-08-12
Minute high-performance rare earth magnet for micromini product and process for producing the same Grant 7,402,226 - Machida , et al. July 22, 2	2008-07-22
Knocking control device for multicylinder engine Grant 7,398,761 - Machida , et al. July 15, 2	2008-07-15
Variable valve control apparatus for internal combustion engine and method thereof Grant 7,386,390 - Machida June 10, 2	2008-06-10
Steering damper apparatus, and method of using same Grant 7,377,533 - Takeuchi , et al. May 27, 2	2008-05-27
Nd-Fe-B Magnetic with Modified Grain Boundary and Process for Producing the Same App 20080006345 - Machida; Kenichi ; et al.	2008-01-10
Control apparatus for variable valve apparatus and method thereof Grant 7,308,871 - Machida December 18, 2	2007-12-18
Knocking control device for multicylinder engine App 20070277781 - Machida; Kenichi ; et al.	2007-12-06
R-Fe-B Based Thin Film Magnet And Method For Preparation Thereof App 20070199623 - Suzuki; Shunji ; et al.	2007-08-30
Apparatus for and method of controlling variable valve mechanism App 20070186885 - Miyakoshi; Ryo ; et al.	2007-08-16
Stroke determination system for four stroke cycle engine Grant 7,249,495 - Tsuyuguchi , et al. July 31, 2	2007-07-31
Variable valve control apparatus for internal combustion engine and method thereof App 20070131199 - Machida; Kenichi	2007-06-14
Stroke determination unit and method of measuring stroke in a multi-cylinder four-cycle engine Grant 7,194,898 - Machida , et al. March 27, 2	2007-03-27
Fail-safe control apparatus for internal combustion engine equipped with variable valve characteristic mechanisms and method thereof Grant 7,191,054 - Machida March 13, 2	2007-03-13
Variable valve control apparatus for internal combustion engine and method thereof Grant 7,191,050 - Machida March 13, 2	2007-03-13
Rare earth - iron - bron based magnet and method for production thereof App 20070034299 - Machida; Kenichi ; et al.	2007-02-15
Valve timing control apparatus for internal combustion engine and control method thereof Grant 7,159,545 - Miyakoshi , et al. January 9, 2	2007-01-09
Minute high-performance rare earth magnet for micromini product and process for producing the same App 20060278517 - Machida; Kenichi ; et al.	2006-12-14
Fuel injection control system Grant 7,140,348 - Takeuchi , et al. November 28, 2	2006-11-28
Method and apparatus for controlling variable valve actuation device in internal combustion engine App 20060219197 - Machida; Kenichi ; et al.	2006-10-05
Stroke determination unit and method of measuring stroke in a multi-cylinder four-cycle engine App 20060218998 - Machida; Kenichi ; et al.	2006-10-05
Cam angle detecting apparatus, and cam phase detecting apparatus for internal combustion engine and cam phase detecting method thereof App 20060207534 - Machida; Kenichi	2006-09-21
Fuel injection system, method, and control apparatus Grant 7,100,576 - Kobayashi , et al. September 5, 2	2006-09-05
Apparatus and method for controlling an internal combustion engine Grant 7,086,381 - Machida , et al. August 8, 2	2006-08-08
Variable valve control apparatus for internal combustion engine and method thereof Grant 7,055,474 - Machida , et al. June 6, 2	2006-06-06
Stroke determination system for four stroke cycle engine App 20060116813 - Tsuyuguchi; Makoto ; et al.	2006-06-01
Method for evaluating diagnosis function of a variable valve mechanism and apparatus for diagnosing a variable valve mechanism App 20060100802 - Miyakoshi; Ryo ; et al.	2006-05-11
Variable valve control apparatus for internal combustion engine and method thereof App 20060100773 - Machida; Kenichi	2006-05-11
Variable valve control apparatus and method in internal combustion engine Grant 7,021,259 - Machida April 4, 2	2006-04-04
Variable valve control apparatus for internal combustion engine and method thereof Grant 7,013,211 - Machida March 14, 2	2006-03-14
Variable valve operating control apparatus for internal combustion engine and control method thereof Grant 7,011,057 - Machida , et al. March 14, 2	2006-03-14
Engine control apparatus for motorcycles Grant 7,011,177 - Machida , et al. March 14, 2	2006-03-14
Variable valve operating control apparatus for internal combustion engine and control method thereof Grant 7,011,055 - Machida , et al. March 14, 2	2006-03-14
Variable Valve Control Apparatus And Method In Internal Combustion Engine App 20060037571 - Machida; Kenichi	2006-02-23
Apparatus and method for estimating residual gas amount of internal combustion engine, and apparatus and method for controlling intake air amount of internal combustion engine using estimated residual gas amount Grant 6,999,864 - Iizuka , et al. February 14, 2	2006-02-14
Photochemical hole burning media Grant 6,994,947 - Machida February 7, 2	2006-02-07
Variable valve control apparatus and method in internal combustion engine Grant 6,973,901 - Machida December 13, 2	2005-12-13
Intake air amount control apparatus for vehicle engine and method thereof Grant 6,945,224 - Yoshizawa , et al. September 20, 2	2005-09-20
Valve timing control apparatus for internal combustion engine and control method thereof App 20050199200 - Miyakoshi, Ryo ; et al.	2005-09-15
Variable valve operating control apparatus for internal combustion engine and control method thereof App 20050188934 - Machida, Kenichi ; et al.	2005-09-01
Variable valve operating control apparatus for internal combustion engine and control method thereof App 20050188932 - Machida, Kenichi ; et al.	2005-09-01
Driving control apparatus for motion mechanism and control method of driving control apparatus App 20050185358 - Machida, Kenichi ; et al.	2005-08-25
Fail-safe control apparatus for internal combustion engine equipped with variable valve characteristic mechanism and method thereof Grant 6,932,034 - Machida , et al. August 23, 2	2005-08-23
Photochemical hole burning media App 20050181307 - Machida, Kenichi	2005-08-18
Fuel injection system, method, and control apparatus App 20050178364 - Kobayashi, Fuyuki ; et al.	2005-08-18
Control apparatus for variable valve apparatus and method thereof App 20050172920 - Machida, Kenichi	2005-08-11
Fuel injection control system App 20050172933 - Takeuchi, Yoshiaki ; et al.	2005-08-11
Driving apparatus and control method for electric actuator App 20050174717 - Machida, Kenichi ; et al.	2005-08-11
Steering damper apparatus, and method of using same App 20050173911 - Takeuchi, Yoshiaki ; et al.	2005-08-11
Intake Air Amount Control Apparatus For Vehicle Engine And Method Thereof App 20050166895 - Yoshizawa, Hidekazu ; et al.	2005-08-04
Apparatus and method for controlling engine valve opening in internal combustion engine Grant 6,920,852 - Machida July 26, 2	2005-07-26
Variable valve control apparatus for internal combustion engine and method thereof Grant 6,920,851 - Machida , et al. July 26, 2	2005-07-26
Apparatus and method for controlling intake air amount of internal combustion engine Grant 6,863,050 - Iizuka , et al. March 8, 2	2005-03-08
Apparatus and method for controlling intake air amount of internal combustion engine Grant 6,851,409 - Machida , et al. February 8, 2	2005-02-08
Fail-safe control apparatus for internal combustion engine equipped with variable valve characteristic mechanisms and method thereof App 20050027432 - Machida, Kenichi	2005-02-03
Apparatus and method for controlling engine valve opening in internal combustion engine App 20050022762 - Machida, Kenichi	2005-02-03
Fuel injection control system for internal combustion engine Grant 6,848,428 - Watanabe , et al. February 1, 2	2005-02-01
Control apparatus and control method of internal combustion engine Grant 6,843,230 - Iizuka , et al. January 18, 2	2005-01-18
Fail-safe control apparatus for internal combustion engine equipped with variable valve characteristic mechanism and method thereof App 20040261738 - Machida, Kenichi ; et al.	2004-12-30
Apparatus and method for controlling variable valve operating mechanism App 20040216708 - Machida, Kenichi	2004-11-04
Variable valve control apparatus for internal combustion engine and method thereof App 20040182341 - Machida, Kenichi ; et al.	2004-09-23
Control apparatus of variable valve timing mechanism and method thereof Grant 6,776,130 - Miyakoshi , et al. August 17, 2	2004-08-17
Control apparatus and control method of internal combustion engine App 20040129250 - Iizuka, Isamu ; et al.	2004-07-08
Variable valve control apparatus for internal combustion engine and method thereof App 20040107929 - Machida, Kenichi ; et al.	2004-06-10
Variable valve control apparatus for internal combustion engine and method thereof App 20040103887 - Machida, Kenichi	2004-06-03
Apparatus and method for controlling variable valve operating mechanism Grant 6,739,296 - Machida May 25, 2	2004-05-25
Variable valve control apparatus and method in internal combustion engine App 20040094109 - Machida, Kenichi	2004-05-20
Control apparatus of variable valve timing mechanism and method thereof App 20040083999 - Miyakoshi, Ryo ; et al.	2004-05-06
Apparatus and method for measuring intake air flow amount of internal combustion engine Grant 6,728,627 - Machida April 27, 2	2004-04-27
Apparatus and method for diagnosing sliding mode control system Grant 6,725,175 - Hosoya , et al. April 20, 2	2004-04-20
Variable valve control apparatus for engine and method thereof Grant 6,722,325 - Shimizu , et al. April 20, 2	2004-04-20
Fuel injection control system for internal combustion engine App 20040069283 - Watanabe, Tsuguo ; et al.	2004-04-15
Engine control apparatus for motorcycles App 20040050609 - Machida, Kenichi ; et al.	2004-03-18
Control apparatus of internal combustion engine and control method thereof Grant 6,688,287 - Machida February 10, 2	2004-02-10
Apparatus and method for estimating residual gas amount of internal combustion engine, and apparatus and method for controlling intake air amount of internal combustion engine using estimated residual gas amount App 20040015287 - Ilzuka, Isamu ; et al.	2004-01-22
Apparatus and method for controlling intake air amount of internal combustion engine App 20040007194 - Iizuka, Isamu ; et al.	2004-01-15
Fuel injection control apparatus Grant 6,678,604 - Machida , et al. January 13, 2	2004-01-13
Apparatus and method for controlling variable valve mechanism Grant 6,622,678 - Shimizu , et al. September 23, 2	2003-09-23
Apparatus and method for measuring intake air flow amount of internal combustion engine App 20030084861 - Machida, Kenichi	2003-05-08
Apparatus and method for controlling intake air amount of internal combustion engine App 20030075151 - Machida, Kenichi ; et al.	2003-04-24
Variable valve control apparatus for engine and method thereof App 20030075128 - Shimizu, Hirokazu ; et al.	2003-04-24
Apparatus and method for controlling an internal combustion engine App 20030019475 - Machida, Kenichi ; et al.	2003-01-30
Apparatus and method for controlling valve timing of an engine Grant 6,505,585 - Machida , et al. January 14, 2	2003-01-14
Apparatus and method for controlling variable valve mechanism App 20020195071 - Shimizu, Hirokazu ; et al.	2002-12-26
Fuel Injection Control System For Engine App 20020170541 - Machida, Kenichi ; et al.	2002-11-21
Photochemical hole burning media App 20020162948 - Machida, Kenichi	2002-11-07
Control apparatus of internal combustion engine and control method thereof App 20020162535 - Machida, Kenichi	2002-11-07
Apparatus and method for controlling variable valve operating mechanism App 20020139329 - Machida, Kenichi	2002-10-03
Fuel injection control apparatus App 20020029764 - Machida, Kenichi ; et al.	2002-03-14
Apparatus and method for controlling internal combustion engine App 20020017276 - Machida, Kenichi	2002-02-14
Fuel injection control apparatus App 20020010539 - Machida, Kenichi ; et al.	2002-01-24
Fuel injection control apparatus App 20020007823 - Machida, Kenichi ; et al.	2002-01-24
Fuel injection control apparatus App 20020007822 - Machida, Kenichi ; et al.	2002-01-24
Intake air control device of an engine with a charger and method thereof Grant 6,318,083 - Machida , et al. November 20, 2	2001-11-20
Method and apparatus for fail-safe controlling internal combustion engine with electronic controlled throttle system App 20010039938 - Machida, Kenichi ; et al.	2001-11-15
Method and apparatus for fail-safe controlling internal combustion engine with electronic controlled throttle system Grant 6,276,331 - Machida , et al. August 21, 2	2001-08-21
Method and apparatus for fail safe control of an electronically controlled throttle valve of an internal combustion engine Grant 6,209,518 - Machida , et al. April 3, 2	2001-04-03
Control apparatus for internal combustion engine with electronically-controlled throttle system Grant 6,178,947 - Machida , et al. January 30, 2	2001-01-30
Control apparatus for direct injection spark ignition type internal combustion engine Grant 5,996,547 - Machida , et al. December 7, 1	1999-12-07
Control apparatus for direct injection spark ignition type internal combustion engine Grant 5,979,397 - Machida , et al. November 9, 1	1999-11-09
Control system for improved cylinder torque balance of engine Grant 5,740,780 - Shimizu , et al. April 21, 1	1998-04-21
Diagnosis apparatus and method for an exhaust gas recirculation unit of an internal combustion engine Grant 5,703,285 - Shimizu , et al. December 30, 1	1997-12-30
Apparatus for controlling an internal combustion engine and method thereof Grant 5,682,856 - Tomisawa , et al. November 4, 1	1997-11-04
Apparatus and method for recognizing misfire occurrence in multi-cylinder internal combustion engine Grant 5,670,713 - Machida , et al. September 23, 1	1997-09-23
Apparatus and method for detecting output fluctuations of an internal combustion engine, and apparatus and method for controlling the engine Grant 5,652,380 - Machida July 29, 1	1997-07-29
Diagnosis apparatus and method in an apparatus for treating fuel vapor of an engine Grant 5,592,923 - Machida January 14, 1	1997-01-14
Apparatus and method for diagnosing radiator fan control system installed in vehicular internal combustion engine Grant 5,561,243 - Machida October 1, 1	1996-10-01
Apparatus for diagnosing misfire of multi-cylinder internal combustion engine Grant 5,503,008 - Machida April 2, 1	1996-04-02