Issued Patents All Time
Showing 1–25 of 49 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8234853 | Catalyst degradation determining method | Akira Kamoto, Yasuhiro Oi, Noriyasu Adachi, Koji Ide, Daisuke Kobayashi +3 more | 2012-08-07 |
| 7198952 | Catalyst deterioration detecting apparatus and method | Takahiro Uchida, Hiroshi Sawada, Akihiro Katayama, Yasuhiro Kuze, Naoto Kato | 2007-04-03 |
| 7165389 | Catalyst degradation determining method | Akira Kamoto, Yosuhiro Oi, Noriyasu Adachi, Koji Ide, Daisuke Kobayashi +3 more | 2007-01-23 |
| 7162862 | Air-fuel ratio control apparatus for internal combustion engine | Akihiro Katayama, Naoto Kato, Yukio Kuroda, Yasuhiro Kuze, Hiroshi Sawada +3 more | 2007-01-16 |
| 7117665 | Catalyst degradation determining method | Akira Kamoto, Yasuhiro Oi, Noriyasu Adachi, Koji Ide, Daisuke Kobayashi +3 more | 2006-10-10 |
| 7032374 | Exhaust purification apparatus for internal combustion engine | Shuntaro Okazaki, Noriyasu Adachi, Naoto Kato, Yasuhiro Oi, Daisuke Kobayashi +2 more | 2006-04-25 |
| 6988359 | Exhaust gas control apparatus and exhaust gas purification method for internal combustion engine | Koji Ide, Yasuhiro Oi, Naoto Kato | 2006-01-24 |
| 6915628 | Catalyst degradation determining method | Akira Kamoto, Yasuhiro Oi, Noriyasu Adachi, Koji Ide, Daisuke Kobayashi +3 more | 2005-07-12 |
| 6901744 | Air-fuel ratio control apparatus of internal combustion engine | Junichi Kako, Naohide Fuwa, Kazunori Kojima, Akihiro Katayama, Naoto Kato | 2005-06-07 |
| 6860101 | Exhaust gas purification system for internal combustion engine | Junichi Kako, Naoto Katoh, Akihiro Katayama, Kentaro Matsumoto, Shinji Kojima +1 more | 2005-03-01 |
| 6792750 | Emission control apparatus of internal combustion engine and control method for the emission control apparatus | Naoto Kato, Akihiro Katayama, Kentaro Matsumoto, Shinji Kojima, Naoki Baba | 2004-09-21 |
| 6666199 | Control device of internal combustion engine and method of judging failure of sensor | Naoto Kato, Akira Kamoto, Akihiro Katayama | 2003-12-23 |
| 6546719 | Air-fuel ratio control apparatus of internal combustion engine | Akira Kamoto, Akihiro Katayama, Naoto Kato | 2003-04-15 |
| 6502389 | Air-fuel ratio control system for internal combustion engine and control method therof | Akihiro Katayama, Akira Kamoto, Naoto Kato, Shinji Kojima, Naoki Baba | 2003-01-07 |
| 6481201 | Air-fuel ratio control apparatus of internal combustion engine | Junichi Kako, Naohide Fuwa, Kazunori Kojima, Akihiro Katayama, Naoto Kato | 2002-11-19 |
| 5904902 | Exhaust purifier for internal combustion engine | Hiroki Matuoka, Masaaki Tanaka, Shigemitu Iisaka, Michio Furuhashi, Tadayuki Nagai +3 more | 1999-05-18 |
| 5848530 | Device for detecting deterioration of catalytic converter for cleaning exhaust gases | Hiroki Matsuoka, Masaaki Tanaka, Sigemitu Iisaka, Michio Furuhashi, Tadayuki Nagai +3 more | 1998-12-15 |
| 5814283 | Exhaust purifier of internal combustion engine | Hiroki Matuoka, Masaaki Tanaka, Shigemitu Iisaka, Michio Furuhashi, Tadayuki Nagai +3 more | 1998-09-29 |
| 5811884 | Automotive onboard load control apparatus and method | Hiroki Matuoka, Masaaki Tanaka, Sigemitu Iisaka, Michio Furuhashi, Tadayuki Nagai +4 more | 1998-09-22 |
| 5743086 | Device for judging deterioration of catalyst of engine | — | 1998-04-28 |
| 5737917 | Device for judging deterioration of catalyst of engine | — | 1998-04-14 |
| 5735120 | Device for judging the deterioration of a catalyst of an engine | — | 1998-04-07 |
| 5706654 | Air-fuel ratio control device for an internal combustion engine | — | 1998-01-13 |
| 5577486 | Fuel-injection control apparatus for an engine | Kenji Harima, Hiroshi Kanai, Akinori Osanai, Kazuhiko Iwano, Shuji Yuda +1 more | 1996-11-26 |
| 5558072 | Apparatus for disposing of fuel-vapor | Kenji Harima, Hiroshi Kanai, Akinori Osanai, Kazuhiro Iwano, Shuji Yuda | 1996-09-24 |