Issued Patents All Time
Showing 1–25 of 59 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6601115 | Communication protocol converter system and monitor device | Shiro Yonezawa, Yoshikazu Sato | 2003-07-29 |
| 6591184 | Cylinder identifying system for internal combustion engine | Shiro Yonezawa, Atsuko Hashimoto | 2003-07-08 |
| 6532940 | Fuel injection control system for cylinder injection type internal combustion engine | Takahiko Ono, Norihisa Fukutomi | 2003-03-18 |
| 6519932 | Exhaust gas purification apparatus and method for an internal combustion engine | Satoshi Wachi, Hideaki Katashiba, Tosiaki Yonekura | 2003-02-18 |
| 6513488 | Fuel injection control apparatus for direct injection type internal combustion engine | Keiichi Enoki, Takahiko Ono | 2003-02-04 |
| 6513322 | Device for controlling the rise of the catalyst temperature in an internal combustion engine | Tadahiro Azuma | 2003-02-04 |
| 6499450 | Valve timing control system for internal combustion engine | Tatsuhiko Takahashi, Atsuko Hashimoto | 2002-12-31 |
| 6494173 | Valve timing control system for internal combustion engine | Tatsuhiko Takahashi, Atsuko Hashimoto | 2002-12-17 |
| 6474307 | Fuel injection control device for internal combustion engine | Tadahiro Azuma | 2002-11-05 |
| 6454676 | Control system for internal combustion engine equipped with automatic transmission | Toshiaki Date, Shiro Yonezawa | 2002-09-24 |
| 6446602 | Cylinder identifying system for internal combustion engine | Shiro Yonezawa, Atsuko Hashimoto | 2002-09-10 |
| 6345498 | Exhaust gas purifier for internal combustion engine | Tosiaki Yonekura, Satoshi Wachi, Hideaki Katashiba | 2002-02-12 |
| 6318152 | Fuel property judgement device for internal combustion engine | Keizo Hagihara, Tadahiro Azuma | 2001-11-20 |
| 6283074 | Valve timing control system for internal combustion engine | Tatsuhiko Takahashi, Satoshi Wachi, Atsuko Hashimoto | 2001-09-04 |
| 6279537 | Air fuel ratio control apparatus for an internal combustion engine | Tosiaki Yonekura, Hideaki Katashiba, Satoshi Wachi | 2001-08-28 |
| 6240894 | Control system for cylinder injection type internal combustion engine | Keiichi Enoki | 2001-06-05 |
| 6227163 | Fuel injection control system for cylinder injection type internal combustion engine | Keiichi Enoki, Ryoji Nishiyama | 2001-05-08 |
| 6212884 | Device for controlling the rise of the catalyst temperature in an internal combustion engine | Tadahiro Azuma | 2001-04-10 |
| 6213067 | Control device for internal combustion engine | Tatsuhiko Takahashi, Takeshi Kawakami, Atsuko Hashimoto | 2001-04-10 |
| 6196173 | Valve timing control system for internal combustion engine | Tatsuhiko Takahashi, Atsuko Hashimoto, Satoshi Wachi | 2001-03-06 |
| 6176227 | Control system for cylinder injection type internal combustion engine with exhaust gas recirculation feedback control | Keiichi Enoki | 2001-01-23 |
| 6170459 | Fuel injection control assembly for a cylinder-injected engine | Takahiko Ono, Hiromichi Hisato | 2001-01-09 |
| 6092505 | Engine controlling apparatus for an automotive engine | Tatsuhiko Takahashi, Shiro Yonezawa, Satoshi Wachi, Atsuko Hashimoto | 2000-07-25 |
| 6076502 | Exhaust gas recirculation control system for internal combustion engines | Hideaki Katashiba, Hironori Matsumori, Wataru Fukui, Yoichi Kadota, Ryoji Nishiyama | 2000-06-20 |
| 6073611 | Control apparatus for internal combustion engine | Hironori Matsumori, Wataru Fukui, Hideaki Katashiba, Takeshi Kitao | 2000-06-13 |