FUJIWARA; Takahiko
Patent Applications and Registrations
Patent applications and USPTO patent grants for FUJIWARA; Takahiko.The latest application filed is for "exhaust purification system of internal combustion engine".
Company Profile
16.73.70
- FUJIWARA; Takahiko - Shizuoka-ken JP
- Fujiwara; Takahiko - Sunto-gun JP
- Fujiwara; Takahiko - Susono N/A JP
- Fujiwara; Takahiko - Shizuoka JP
- Fujiwara; Takahiko - Suntou-gun Shizuoka-ken JP
- FUJIWARA; Takahiko - Suntou-gun Shizuoka-ken
- Fujiwara; Takahiko - Nagaizumi-cho Shizuoka-ken JP
- Fujiwara; Takahiko - Toyota-shi, Aichi-ken JP
- Fujiwara; Takahiko - Nagaizumi-cho JP
- Fujiwara; Takahiko - Susono-shi JP
- Fujiwara; Takahiko - Susono-shi Shizuoka-ken JP
Patent Activity
| Patent | Date |
|---|---|
| Exhaust Purification System Of Internal Combustion Engine App 20220186643 - TSUKAGOSHI; Takahiro ; et al. | 2022-06-16 |
| Control device for internal combustion engine Grant 11,286,837 - Katoh , et al. March 29, 2 | 2022-03-29 |
| Control device for internal combustion engine Grant 11,261,777 - Katoh , et al. March 1, 2 | 2022-03-01 |
| Control device for internal combustion engine Grant 11,255,246 - Katoh , et al. February 22, 2 | 2022-02-22 |
| Control Device For Internal Combustion Engine App 20220034251 - KATOH; Kazumasa ; et al. | 2022-02-03 |
| Control Device For Internal Combustion Engine App 20220034252 - KATOH; Kazumasa ; et al. | 2022-02-03 |
| Control device for internal combustion engine Grant 11,236,658 - Katoh , et al. February 1, 2 | 2022-02-01 |
| Control device for internal combustion engine Grant 11,215,103 - Katoh , et al. January 4, 2 | 2022-01-04 |
| Control device for internal combustion engine Grant 11,199,119 - Katoh , et al. December 14, 2 | 2021-12-14 |
| Control device for internal combustion engine Grant 11,149,616 - Katoh , et al. October 19, 2 | 2021-10-19 |
| Control device for internal combustion engine Grant 11,149,615 - Katoh , et al. October 19, 2 | 2021-10-19 |
| Control device for internal combustion engine Grant 11,105,248 - Katoh , et al. August 31, 2 | 2021-08-31 |
| Control device for internal combustion engine Grant 11,105,247 - Katoh , et al. August 31, 2 | 2021-08-31 |
| Control device for internal combustion engine Grant 11,073,066 - Katoh , et al. July 27, 2 | 2021-07-27 |
| Control device for internal combustion engine Grant 11,073,065 - Katoh , et al. July 27, 2 | 2021-07-27 |
| Control device for internal combustion engine Grant 11,067,017 - Suzuki , et al. July 20, 2 | 2021-07-20 |
| Control device for internal combustion engine Grant 11,060,438 - Katoh , et al. July 13, 2 | 2021-07-13 |
| Control device for internal combustion engine Grant 11,047,288 - Katoh , et al. June 29, 2 | 2021-06-29 |
| Control device for internal combustion engine Grant 11,028,760 - Katoh , et al. June 8, 2 | 2021-06-08 |
| Control device for internal combustion engine Grant 11,008,923 - Katoh , et al. May 18, 2 | 2021-05-18 |
| Control device for internal combustion engine Grant 10,995,646 - Katoh , et al. May 4, 2 | 2021-05-04 |
| Control device for internal combustion engine Grant 10,989,095 - Katoh , et al. April 27, 2 | 2021-04-27 |
| Control device for internal combustion engine Grant 10,975,752 - Katoh , et al. April 13, 2 | 2021-04-13 |
| Control Device For Internal Combustion Engine App 20210010434 - SUZUKI; Kazuya ; et al. | 2021-01-14 |
| Control Device For Internal Combustion Engine App 20200400087 - Katoh; Kazumasa ; et al. | 2020-12-24 |
| Control Device For Internal Combustion Engine App 20200378325 - KATOH; Kazumasa ; et al. | 2020-12-03 |
| Control Device For Internal Combustion Engine App 20200378326 - KATOH; Kazumasa ; et al. | 2020-12-03 |
| Control Device For Internal Combustion Engine App 20200378327 - KATOH; Kazumasa ; et al. | 2020-12-03 |
| Control Device For Internal Combustion Engine App 20200370490 - KATOH; Kazumasa ; et al. | 2020-11-26 |
| Control Device For Internal Combustion Engine App 20200370491 - KATOH; Kazumasa ; et al. | 2020-11-26 |
| Control Device For Internal Combustion Engine App 20200370486 - KATOH; Kazumasa ; et al. | 2020-11-26 |
| Control Device For Internal Combustion Engine App 20200370485 - Katoh; Kazumasa ; et al. | 2020-11-26 |
| Control Device For Internal Combustion Engine App 20200370488 - KATOH; Kazumasa ; et al. | 2020-11-26 |
| Control Device For Internal Combustion Engine App 20200370489 - KATOH; Kazumasa ; et al. | 2020-11-26 |
| Control Device For Internal Combustion Engine App 20200370487 - KATOH; Kazumasa ; et al. | 2020-11-26 |
| Control Device For Internal Combustion Engine App 20200200108 - Katoh; Kazumasa ; et al. | 2020-06-25 |
| Deterioration diagnosis apparatus for the exhaust gas purification apparatus Grant 10,072,544 - Saitoh , et al. September 11, 2 | 2018-09-11 |
| Deterioration diagnosis apparatus for selective catalytic reduction catalyst Grant 10,072,553 - Hagiwara , et al. September 11, 2 | 2018-09-11 |
| Internal combustion engine Grant 10,066,534 - Miyamoto , et al. September 4, 2 | 2018-09-04 |
| Air-fuel ratio control apparatus for an internal combustion engine Grant 9,790,873 - Tomimatsu , et al. October 17, 2 | 2017-10-17 |
| Exhaust gas control apparatus for internal combustion engine Grant 9,683,470 - Fujiwara , et al. June 20, 2 | 2017-06-20 |
| Deterioration Diagnosis Apparatus For Selective Catalytic Reduction Catalyst App 20170167352 - HAGIWARA; Koji ; et al. | 2017-06-15 |
| Control device of internal combustion engine Grant 9,624,811 - Okazaki , et al. April 18, 2 | 2017-04-18 |
| Deterioration diagnosis device for an exhaust gas purification apparatus Grant 9,611,776 - Hagiwara , et al. April 4, 2 | 2017-04-04 |
| Internal Combustion Engine App 20170058749 - Miyamoto; Hiroshi ; et al. | 2017-03-02 |
| Control device for internal combustion engine Grant 9,562,486 - Hirooka , et al. February 7, 2 | 2017-02-07 |
| Control apparatus for internal combustion engine Grant 9,506,412 - Tsukagoshi , et al. November 29, 2 | 2016-11-29 |
| Catalytic Converter And Method For Designing The Catalytic Converter App 20160319722 - AOKI; Yuki ; et al. | 2016-11-03 |
| Exhaust Gas Control Catalyst App 20160288096 - FUJIWARA; Takahiko ; et al. | 2016-10-06 |
| Control Device Of Internal Combustion Engine App 20160245145 - OKAZAKI; Shuntaro ; et al. | 2016-08-25 |
| Deterioration Diagnosis Apparatus For The Exhaust Gas Purification Apparatus App 20160186628 - SAITOH; Hirotaka ; et al. | 2016-06-30 |
| Deterioration Diagnosis Device For An Exhaust Gas Purification Apparatus App 20160186638 - HAGIWARA; Koji ; et al. | 2016-06-30 |
| Control Device For Internal Combustion Engine App 20160115886 - Hirooka; Shigemasa ; et al. | 2016-04-28 |
| Catalytic Converter App 20160102591 - Kayanuma; Ryosuke ; et al. | 2016-04-14 |
| Air-fuel ratio control apparatus for an internal combustion engine Grant 9,261,032 - Onoe , et al. February 16, 2 | 2016-02-16 |
| Control device for internal combustion engine Grant 9,249,740 - Matsuda , et al. February 2, 2 | 2016-02-02 |
| Air-fuel ratio control device for internal combustion engine Grant 9,212,583 - Fujiwara , et al. December 15, 2 | 2015-12-15 |
| Air-fuel ratio control apparatus for an internal combustion engine Grant 9,188,072 - Tomimatsu , et al. November 17, 2 | 2015-11-17 |
| Air-fuel ratio control apparatus Grant 9,062,622 - Onoe , et al. June 23, 2 | 2015-06-23 |
| Control Device For Internal Combustion Engine App 20150152793 - Matsuda; Kazuhisa ; et al. | 2015-06-04 |
| Control device and control method for internal combustion engine Grant 8,949,000 - Fujiwara , et al. February 3, 2 | 2015-02-03 |
| Air-fuel ratio control apparatus Grant 8,899,019 - Onoe , et al. December 2, 2 | 2014-12-02 |
| Control Apparatus For Internal Combustion Engine App 20140303875 - Tsukagoshi; Takahiro ; et al. | 2014-10-09 |
| Air-fuel Ratio Control Device For Internal Combustion Engine App 20140283504 - Fujiwara; Takahiko ; et al. | 2014-09-25 |
| Additive agent, oil filter and lubricating device for machine Grant 8,772,208 - Fukutomi , et al. July 8, 2 | 2014-07-08 |
| Air-fuel ratio control apparatus for an internal combustion engine Grant 8,712,667 - Nakano , et al. April 29, 2 | 2014-04-29 |
| Catalyst abnormality diagnosis apparatus Grant 8,613,219 - Kitaura , et al. December 24, 2 | 2013-12-24 |
| Air-fuel Ratio Control Apparatus For An Internal Combustion Engine App 20130338904 - Onoe; Ryota ; et al. | 2013-12-19 |
| Air-fuel Ratio Control Apparatus App 20130269324 - Onoe; Ryota ; et al. | 2013-10-17 |
| Air-fuel Ratio Control Apparatus App 20130231845 - Onoe; Ryota ; et al. | 2013-09-05 |
| Air-fuel Ratio Control Apparatus For An Internal Combustion Engine App 20130179051 - Tomimatsu; Makoto ; et al. | 2013-07-11 |
| Control apparatus for internal combustion engine Grant 8,464,522 - Fujiwara , et al. June 18, 2 | 2013-06-18 |
| Ammonia burning internal combustion engine Grant 8,464,515 - Aso , et al. June 18, 2 | 2013-06-18 |
| Air-fuel Ratio Control Apparatus For An Internal Combustion Engine App 20130110380 - Tomimatsu; Makoto ; et al. | 2013-05-02 |
| Control system of internal combustion engine Grant 8,423,265 - Aso , et al. April 16, 2 | 2013-04-16 |
| Control Device And Control Method For Internal Combustion Engine App 20130080033 - Fujiwara; Takahiko ; et al. | 2013-03-28 |
| Air-fuel ratio control device and air-fuel ratio control method for internal combustion engine Grant 8,406,980 - Nakagawa , et al. March 26, 2 | 2013-03-26 |
| Catalyst Anomaly Diagnostic System App 20130036808 - Kitaura; Koichi ; et al. | 2013-02-14 |
| Control system for internal combustion engine Grant 8,371,277 - Murase , et al. February 12, 2 | 2013-02-12 |
| Additive Agent, Oil Filter And Lubricating Device For Machine App 20120238480 - Fukutomi; Ippei ; et al. | 2012-09-20 |
| Control apparatus for internal combustion engine Grant 8,266,898 - Fujiwara , et al. September 18, 2 | 2012-09-18 |
| Exhaust gas purifying apparatus for internal combustion engine Grant 8,240,131 - Fujiwara , et al. August 14, 2 | 2012-08-14 |
| Air-fuel ratio control device for internal combustion engine Grant 8,230,846 - Fujiwara , et al. July 31, 2 | 2012-07-31 |
| Air-fuel Ratio Control Apparatus For An Internal Combustion Engine App 20120060805 - Nakano; Tomohiro ; et al. | 2012-03-15 |
| Air-fuel ratio control system of a multi-cylinder internal combustion engine Grant 8,122,869 - Fujiwara , et al. February 28, 2 | 2012-02-28 |
| Catalyst Abnormality Diagnosis Apparatus App 20120023913 - Yoshioka; Mamoru ; et al. | 2012-02-02 |
| Apparatus and method for determining catalyst degradation Grant 8,074,441 - Fujiwara December 13, 2 | 2011-12-13 |
| Control System Of Internal Combustion Engine App 20110283684 - ASO; Koji ; et al. | 2011-11-24 |
| Ammonia Burning Internal Combustion Engine App 20110283959 - ASO; Koji ; et al. | 2011-11-24 |
| Method and device for detecting deterioration of catalyst Grant 7,861,514 - Fujiwara , et al. January 4, 2 | 2011-01-04 |
| Catalyst for purifying exhaust gases Grant 7,795,174 - Suzuki , et al. September 14, 2 | 2010-09-14 |
| Air-fuel Ratio Control Apparatus And Air-fuel Ratio Control Method For Internal Combustion Engine App 20100218485 - Fujiwara; Takahiko ; et al. | 2010-09-02 |
| Control Apparatus For Internal Combustion Engine App 20100205942 - Fujiwara; Takahiko ; et al. | 2010-08-19 |
| Control Apparatus For Internal Combustion Engine App 20100192543 - Fujiwara; Takahiko ; et al. | 2010-08-05 |
| Air-fuel ratio control device of internal combustion engine Grant 7,729,847 - Mizoguchi , et al. June 1, 2 | 2010-06-01 |
| Air-fuel Ratio Control Device And Air-fuel Ratio Control Method For Internal Combustion Engine App 20100108046 - Nakagawa; Norihisa ; et al. | 2010-05-06 |
| Control System For Internal Combustion Engine App 20100083935 - Murase; Nao ; et al. | 2010-04-08 |
| Air-fuel Ratio Control System Of A Multi-cylinder Internal Combustion Engine App 20100024790 - Fujiwara; Takahiko ; et al. | 2010-02-04 |
| Exhaust Gas Purifying Apparatus For Internal Combustion Engine App 20100011749 - Fujiwara; Takahiko ; et al. | 2010-01-21 |
| Air-fuel Ratio Control Device For Internal Combustion Engine App 20090314268 - Fujiwara; Takahiko ; et al. | 2009-12-24 |
| Air-fuel Ratio Control Device Of Internal Combustion Engine App 20090301437 - Mizoguchi; Hiroaki ; et al. | 2009-12-10 |
| Catalyst For Purifying Exhaust Gases and Exhaust-Gas Purification Controller Using the Same App 20090124494 - Suzuki; Hiromasa ; et al. | 2009-05-14 |
| Exhaust particulate matter measuring apparatus App 20090094963 - Mizoguchi; Hiroaki ; et al. | 2009-04-16 |
| Catalyst for Purifying Exhaust Gases App 20090082199 - Suzuki; Hiromasa ; et al. | 2009-03-26 |
| Air-fuel ratio control system of internal combustion engine Grant 7,474,956 - Nakagawa , et al. January 6, 2 | 2009-01-06 |
| Fuel cut control apparatus of internal combustion engine Grant 7,469,530 - Fujiwara , et al. December 30, 2 | 2008-12-30 |
| Air-Fuel Ratio Control System of Internal Combustion Engine App 20080147297 - Nakagawa; Norihisa ; et al. | 2008-06-19 |
| Air-fuel ratio control apparatus for internal combustion engine App 20070169465 - Nakagawa; Norihisa ; et al. | 2007-07-26 |
| Method and device for detecting deterioration of catalyst App 20070089398 - Fujiwara; Takahiko ; et al. | 2007-04-26 |
| Air-fuel ratio control device for internal-combustion engine Grant 7,159,388 - Nakagawa , et al. January 9, 2 | 2007-01-09 |
| Apparatus and method for determining catalyst degradation App 20060254257 - Fujiwara; Takahiko | 2006-11-16 |
| Fuel cut control apparatus of internal combustion engine App 20050193722 - Fujiwara, Takahiko ; et al. | 2005-09-08 |
| Air-fuel ratio control device for internal-combustion engine App 20050022510 - Nakagawa, Norihisa ; et al. | 2005-02-03 |
| Apparatus for purifying exhaust gases App 20040101453 - Fujiwara, Takahiko | 2004-05-27 |
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