Issued Patents All Time
Showing 1–25 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12092058 | Failure diagnosis apparatus and failure diagnosis method for fuel-evaporation-gas purging system | Hiroshi Suruga, Yosuke Fukuzawa | 2024-09-17 |
| 11366041 | Engine misfire detection device | Takashi Hozuki, Takeshi Koda | 2022-06-21 |
| 10458355 | Engine control device and engine control method | Mitsuaki Shirasaki, Kenichi YAMAGATA, Katsuya Monguchi | 2019-10-29 |
| 10174685 | Control device and control method for internal combustion engine | Shingo Takahashi | 2019-01-08 |
| 9845758 | Engine control apparatus | Nobuyoshi Tomomatsu, Kenichi YAMAGATA | 2017-12-19 |
| 9243978 | Misfire detection apparatus and misfire detection method for an internal combustion engine | — | 2016-01-26 |
| 8762031 | Internal combustion engine control apparatus | — | 2014-06-24 |
| 7659037 | Nonaqueous secondary cell | Hiroshi Fukunaga, Youshin Yagi, Kenji Hara, Kazushige Kohno, Hiroshi Haruna | 2010-02-09 |
| 6725149 | Electronic control device for internal combustion engine | Koji Nishimoto, Norio Matsumoto | 2004-04-20 |
| 6684153 | Fuel nature judging device for internal combustion engine | — | 2004-01-27 |
| 6622081 | Catalyst deterioration detecting apparatus for internal combustion engine | — | 2003-09-16 |
| 6469679 | Antenna installation device and satellite radio frequency receiver antenna device | Yoshikazu Yoshida, Katsunori Honma | 2002-10-22 |
| 6311481 | Catalyst deterioration detecting apparatus for internal combustion engine | — | 2001-11-06 |
| 6170468 | Fuel injection control system for internal combustion engine | — | 2001-01-09 |
| 6055026 | Apparatus for holding degauss coil | — | 2000-04-25 |
| 5881696 | Engine control apparatus | — | 1999-03-16 |
| 5758628 | Abnormality detection apparatus | — | 1998-06-02 |
| 5701876 | Misfire detecting apparatus for internal combustion engine | Shingo Morita, Wataru Fukui | 1997-12-30 |
| 5694900 | Knock control system for an internal combustion engine | Shingo Morita, Wataru Fukui | 1997-12-09 |
| 5675080 | Abnormality detecting method and apparatus for exhaust gas recirculation control system of internal combustion engine | — | 1997-10-07 |
| 5637422 | Nickel hydride secondary cell | Toshiyuki Edamoto | 1997-06-10 |
| 5278001 | Hydrogen storage alloy, electrode comprising the same and hydrogen storage alloy cell | Hiroaki Ono, Masayuki Hirota, Hiroshi Fukunaga | 1994-01-11 |
| 5246766 | Thermal recording medium | Ryuzo Fukao, Tsunemi Oiwa, Akio Shimizu, Seiichi Asada, Hisanobu Mikamo +1 more | 1993-09-21 |
| 4793695 | Electrochromic display device | Tsunemi Ohiwa, Hirokazu Kidou, Akira Kawakami, Toshikatsu Manabe | 1988-12-27 |
| 4773740 | Electrochromic display device | Akira Kawakami, Toshikatsu Manabe, Tsunemi Ohiwa, Kenichi Yokoyama, Saburo Nonogaki +1 more | 1988-09-27 |