Igaki; Masahiko
Patent Applications and Registrations
Patent applications and USPTO patent grants for Igaki; Masahiko.The latest application filed is for "method of manufacturing rotary scale, rotary scale, rotary encoder, driving apparatus, image pickup apparatus and robot apparatus".
Company Profile
1.49.37
- Igaki; Masahiko - Yokohama-shi JP
- Igaki; Masahiko - Yokohama JP
- Igaki; Masahiko - Kanagawa-ken JP
- Igaki; Masahiko - Kanagawa JP
- Igaki; Masahiko - Tokyo JP
Patent Activity
| Patent | Date |
|---|---|
| Method Of Manufacturing Rotary Scale, Rotary Scale, Rotary Encoder, Driving Apparatus, Image Pickup Apparatus And Robot Apparatus App 20190017848 - Horiguchi; Haruhiko ; et al. | 2019-01-17 |
| Method of manufacturing rotary scale, rotary scale, rotary encoder, driving apparatus, image pickup apparatus and robot apparatus Grant 10,094,684 - Horiguchi , et al. October 9, 2 | 2018-10-09 |
| Method Of Manufacturing Rotary Scale, Rotary Scale, Rotary Encoder, Driving Apparatus, Image Pickup Apparatus And Robot Apparatus App 20160216137 - Horiguchi; Haruhiko ; et al. | 2016-07-28 |
| Encoder that detects displacement of an object, and lens apparatus and camera having the same Grant 9,329,058 - Horiguchi , et al. May 3, 2 | 2016-05-03 |
| Velocity detection apparatus having two detectors Grant 8,805,022 - Arimitsu , et al. August 12, 2 | 2014-08-12 |
| Encoder, Lens Apparatus, And Camera App 20130286194 - Horiguchi; Haruhiko ; et al. | 2013-10-31 |
| Displacement detection apparatus and method of correcting error of scale used for displacement detection apparatus Grant 8,527,236 - Takahama , et al. September 3, 2 | 2013-09-03 |
| Rotary encoder and method of assembling the same Grant 8,487,237 - Watanabe , et al. July 16, 2 | 2013-07-16 |
| Optical encoder for obtaining displacement information of object Grant 8,422,025 - Igaki April 16, 2 | 2013-04-16 |
| Rotary Encoder And Method Of Assembling The Same App 20120049051 - WATANABE; Ikuo ; et al. | 2012-03-01 |
| Displacement Detection Apparatus And Method Of Correcting Error Of Scale Used For Displacement Detection Apparatus App 20110218760 - TAKAHAMA; Shinichiro ; et al. | 2011-09-08 |
| Velocity Detection Apparatus Having Two Detectors App 20110150288 - Arimitsu; Yasumichi ; et al. | 2011-06-23 |
| Optical Encoder For Obtaining Displacement Information Of Object App 20110063622 - Igaki; Masahiko | 2011-03-17 |
| Measurement Apparatus And Optical Apparatus With The Same App 20110001985 - Igaki; Masahiko | 2011-01-06 |
| Origin detection method for optical encoder Grant 7,732,757 - Atsuta , et al. June 8, 2 | 2010-06-08 |
| Detection head Grant 7,622,698 - Igaki , et al. November 24, 2 | 2009-11-24 |
| Origin Detection Method For Optical Encoder App 20090050794 - Atsuta; Akio ; et al. | 2009-02-26 |
| Origin detection method for optical encoder Grant 7,425,697 - Atsuta , et al. September 16, 2 | 2008-09-16 |
| Optical encoder capable of detecting absolute position Grant 7,391,011 - Atsuta , et al. June 24, 2 | 2008-06-24 |
| Optical encoder for measuring displacement Grant 7,385,179 - Igaki , et al. June 10, 2 | 2008-06-10 |
| Optical encoder and apparatus using optical encoder Grant 7,358,865 - Igaki , et al. April 15, 2 | 2008-04-15 |
| Origin Detection Method For Optical Encoder App 20080073493 - Atsuta; Akio ; et al. | 2008-03-27 |
| Optical encoder with discontinuous optical grating Grant 7,348,544 - Atsuta , et al. March 25, 2 | 2008-03-25 |
| Optical encoder Grant 7,332,708 - Atsuta , et al. February 19, 2 | 2008-02-19 |
| Optical encoder Grant 7,326,919 - Atsuta , et al. February 5, 2 | 2008-02-05 |
| Reflective Sensor App 20080018911 - Igaki; Masahiko ; et al. | 2008-01-24 |
| Optical encoder for improved detection of the absolute position of an origin point Grant 7,282,699 - Atsuta , et al. October 16, 2 | 2007-10-16 |
| Optical Encoder App 20070181791 - Atsuta; Akio ; et al. | 2007-08-09 |
| Optical encoder Grant 7,217,916 - Atsuta , et al. May 15, 2 | 2007-05-15 |
| Method And Apparatus For Measuring Displacement App 20070102630 - Igaki; Masahiko ; et al. | 2007-05-10 |
| Optical Encoder And Apparatus Using Optical Encoder App 20070047050 - Igaki; Masahiko ; et al. | 2007-03-01 |
| Sensor signal processor Grant 7,184,914 - Atsuta , et al. February 27, 2 | 2007-02-27 |
| Optical Encoder App 20070018086 - Atsuta; Akio ; et al. | 2007-01-25 |
| Optical encoder Grant 7,132,647 - Atsuta , et al. November 7, 2 | 2006-11-07 |
| Sensor Signal Processor App 20060247884 - Atsuta; Akio ; et al. | 2006-11-02 |
| Rotation angle detection apparatus and resin rotary disk for the same Grant 7,122,785 - Igaki , et al. October 17, 2 | 2006-10-17 |
| Optical encoder App 20060192092 - Atsuta; Akio ; et al. | 2006-08-31 |
| Sensor signal processor Grant 7,099,790 - Atsuta , et al. August 29, 2 | 2006-08-29 |
| Electrical division circuit for an optical encoder Grant 7,087,888 - Atsuta , et al. August 8, 2 | 2006-08-08 |
| Rotation angle detection apparatus and rotary disk for same App 20060118709 - Igaki; Masahiko ; et al. | 2006-06-08 |
| Liquid container, method for detecting liquid amount in liquid container, and liquid ejection recording apparatus Grant 7,055,926 - Kojima , et al. June 6, 2 | 2006-06-06 |
| Sensor using roof mirror/roof prism array scale, and apparatus equipped with the sensor Grant 7,045,770 - Igaki , et al. May 16, 2 | 2006-05-16 |
| Postal information input apparatus and a data display method thereof Grant 7,043,054 - Igaki , et al. May 9, 2 | 2006-05-09 |
| Package for optical semiconductor Grant 7,026,654 - Igaki , et al. April 11, 2 | 2006-04-11 |
| Sensor using roof mirror/roof prism array scale, and apparatus equipped with the sensor Grant 7,022,974 - Igaki , et al. April 4, 2 | 2006-04-04 |
| Optical encoder Grant 7,019,282 - Atsuta , et al. March 28, 2 | 2006-03-28 |
| Rotation angle detection apparatus and rotary disk for same Grant 7,019,281 - Igaki , et al. March 28, 2 | 2006-03-28 |
| Sensor using roof mirror/roof prism array scale, and apparatus equipped with the sensor App 20060028653 - Igaki; Masahiko ; et al. | 2006-02-09 |
| Optical encoder App 20050274880 - Atsuta, Akio ; et al. | 2005-12-15 |
| Reflection scale and displacement measurement apparatus using the same Grant 6,975,408 - Igaki , et al. December 13, 2 | 2005-12-13 |
| Optical encoder App 20050263689 - Atsuta, Akio ; et al. | 2005-12-01 |
| Optical encoder App 20050205768 - Atsuta, Akio ; et al. | 2005-09-22 |
| Rotation angle detecting apparatus and its rotary disc Grant 6,901,682 - Igaki , et al. June 7, 2 | 2005-06-07 |
| Optical scale formed from mold having fixed and movable platens Grant 6,891,150 - Takayama , et al. May 10, 2 | 2005-05-10 |
| Sensor signal processor App 20050090998 - Atsuta, Akio ; et al. | 2005-04-28 |
| Liquid container with identifying means and method for detecting state of mount of liquid container Grant 6,869,158 - Kojima , et al. March 22, 2 | 2005-03-22 |
| Optical encoder App 20040262505 - Atsuta, Akio ; et al. | 2004-12-30 |
| Optical encoder Grant 6,803,560 - Okumura , et al. October 12, 2 | 2004-10-12 |
| Optical encoder App 20040173736 - Atsuta, Akio ; et al. | 2004-09-09 |
| Liquid container, method for detecting liquid amount in liquid container, and liquid ejection recording apparatus App 20040109039 - Kojima, Yoshinori ; et al. | 2004-06-10 |
| Rotation angle detection apparatus and rotary disk for same App 20040031914 - Igaki, Masahiko ; et al. | 2004-02-19 |
| Liquid container with identifying means and method for detecting state of mount of liquid container App 20040017445 - Kojima, Yoshinori ; et al. | 2004-01-29 |
| Sensor using roof mirror/roof prism array scale, and apparatus equipped with the sensor App 20030218125 - Igaki, Masahiko ; et al. | 2003-11-27 |
| Displacement information detecting apparatus Grant 6,654,128 - Takayama , et al. November 25, 2 | 2003-11-25 |
| Optical rotary encoder and motor control apparatus Grant 6,639,207 - Yamamoto , et al. October 28, 2 | 2003-10-28 |
| Package for optical semiconductor App 20030189213 - Igaki, Masahiko ; et al. | 2003-10-09 |
| Optical encoder App 20030155492 - Atsuta, Akio ; et al. | 2003-08-21 |
| Rotation angle detecting apparatus and its rotary disc App 20020196833 - Igaki, Masahiko ; et al. | 2002-12-26 |
| Reflection scale and displacement measurement apparatus using the same App 20020122186 - Igaki, Masahiko ; et al. | 2002-09-05 |
| Displacement Information Detecting Apparatus App 20020085210 - TAKAYAMA, MANUBU ; et al. | 2002-07-04 |
| Optical scale, mold therefor, and optical encoder App 20020000515 - Takayama, Manabu ; et al. | 2002-01-03 |
| Postal information input apparatus and a data display method thereof App 20010024511 - Igaki, Masahiko ; et al. | 2001-09-27 |
| Optical rotary encoder and motor control apparatus App 20010013765 - Yamamoto, Shinji ; et al. | 2001-08-16 |
| Signal processing method using comparator level adjustment in a displacement measuring device Grant 5,483,059 - Igaki , et al. January 9, 1 | 1996-01-09 |
| Talbot's interference type optical encoder Grant 5,359,193 - Nyui , et al. October 25, 1 | 1994-10-25 |
| Rotary encoder with scale member and interference of zero and first order diffraction beam Grant 5,323,001 - Igaki , et al. June 21, 1 | 1994-06-21 |
| Encoder using a birefringent element and a system including the same Grant 5,302,821 - Igaki , et al. April 12, 1 | 1994-04-12 |
| Sheet feeding device Grant 5,211,390 - Igaki May 18, 1 | 1993-05-18 |
| Encoder for detecting relative displacement having first and second scales and a light receiving device Grant 5,124,548 - Igaki June 23, 1 | 1992-06-23 |
| Sheet feeding device Grant 5,085,423 - Nishimoto , et al. February 4, 1 | 1992-02-04 |
| Vibratory sheet feeder which uses phase adjustment to control the sheet feeding speed Grant 5,062,622 - Kataoka , et al. November 5, 1 | 1991-11-05 |
| Optical encoder including transparent substrates having formed indicators therein Grant 4,820,918 - Igaki , et al. April 11, 1 | 1989-04-11 |
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