Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8078380 | Control device for vehicle automatic running | — | 2011-12-13 |
| 7801666 | Air-fuel ratio detection apparatus of internal combustion engine | Tetsuji Mitsuda, Yasuo Hirata, Eijirou Yamada | 2010-09-21 |
| 7677227 | Apparatus and method of abnormality diagnosis for supercharging pressure control system | Yasuo Mukai, Masahiko Yamaguchi, Kuniaki Ueda | 2010-03-16 |
| 7380448 | Malfunction detection apparatus for pressure sensor | Kuniaki Ueda, Masahiko Yamaguchi, Yasuo Mukai | 2008-06-03 |
| 6644249 | Cooling mechanism for engine electronic control module | Keisuke Itakura | 2003-11-11 |
| 6314790 | Oxygen concentration detecting apparatus | Yukihiro Yamashita | 2001-11-13 |
| 6032659 | Abnormality diagnosing system for air/fuel ratio feedback control system | Yukihiro Yamashita, Hisashi Iida | 2000-03-07 |
| 6009866 | Oxygen concentration detecting apparatus | Yukihiro Yamashita | 2000-01-04 |
| 5964208 | Abnormality diagnosing system for air/fuel ratio feedback control system | Yukihiro Yamashita, Jun Hasegawa, Hisashi Iida, Wakichi Kondo, Masahiko Yamaguchi | 1999-10-12 |
| 5758632 | Diagnostic apparatus for air-fuel ratio sensor | Yukihiro Yamashita, Hisashi Iida | 1998-06-02 |
| 5709198 | Oxygen concentration detecting apparatus | Yukihiro Yamashita | 1998-01-20 |
| 5701866 | Malfunction diagnosis device for engine speed controller | Yoshihiko Hirata | 1997-12-30 |
| 5672817 | Self-diagnostic apparatus of air-fuel ratio control system of internal combustion engine | Masaaki Nakayama, Yasuo Mukai, Yukihiro Yamashita, Hisashi Iida | 1997-09-30 |
| 5497752 | Device for controlling fuel injection of an internal combustion engine | Masakazu Yamada, Masakazu Ninomiya, Kiyonori Sekiguchi | 1996-03-12 |
| 5402762 | Combustion engine and combustion engine control method | Masakazu Yamada, Masakazu Ninomiya | 1995-04-04 |
| 5390641 | Fuel injection system for internal combustion engine | Masakazu Yamada, Masakazu Ninomiya | 1995-02-21 |
| 4800859 | Fuel pump control apparatus | Ryuichi Sano | 1989-01-31 |
| 4463740 | Device for controlling atomization of fuel in internal combustion engine | Naofumi Fukue, Toshio Kondo | 1984-08-07 |
| 4348728 | Air-fuel ratio controlling method and apparatus therefor | Toshio Kondo, Masahiko Tajima | 1982-09-07 |
| 4345561 | Air-fuel ratio control method and its apparatus | Toshio Kondo, Masahiko Tajima, Akio Kobayashi | 1982-08-24 |
| 4319451 | Method for preventing overheating of an exhaust purifying device | Masahiko Tajima, Toshio Kondo, Akio Kobayashi | 1982-03-16 |
| 4286560 | Method and apparatus for controlling an ignition timing | Toshio Kondo, Akio Kobayashi | 1981-09-01 |