Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6959541 | Fuel injection control system for internal combustion engine | Yuji Kosaka | 2005-11-01 |
| 6715468 | Fuel injection system | Ken Uchiyama | 2004-04-06 |
| 6539921 | Fuel injection system with fuel pressure sensor | — | 2003-04-01 |
| 5277156 | Common-rail fuel injection system for an engine | Isao Osuka | 1994-01-11 |
| 4814997 | Method and apparatus for estimating an atmospheric pressure based on an intact air pressure at a certain time | Norio Omori, Hisanori Kobayashi | 1989-03-21 |
| 4705000 | Apparatus and method for controlling amount of fuel injected into engine cylinders | Shinya Sumitani, Takahiro Hayakawa, Takashi Hasegawa, Shuji Sakakibara | 1987-11-10 |
| 4671236 | Intake air density compensation on the basis of ignition timing for optimal diesel engine control | Isao Osuka, Akira Masuda | 1987-06-09 |
| 4667634 | Method and apparatus for controlling amount of fuel injected into engine cylinders | Takashi Hasegawa, Takahiro Hayakawa, Shinya Sumitani, Shuji Sakakibara | 1987-05-26 |
| 4590563 | Method and apparatus for controlling internal combustion engine | Norio Omori, Hisanori Kobayashi | 1986-05-20 |
| 4573442 | Fuel injection pump having a compact spill-port timing control unit | Masahiko Miyaki, Akira Masuda | 1986-03-04 |
| 4503821 | Apparatus and method for controlling amount of fuel injected into engine cylinders | Masahiko Miyaki, Akira Masuda, Sinya Sumitani, Takashi Hasegawa, Takahiro Hayakawa | 1985-03-12 |
| 4499883 | Distributor type fuel-injection pump for distributing fuel to cylinders of an internal combustion engine | Masahiko Miyaki, Akira Masuda | 1985-02-19 |
| 4495920 | Engine control system and method for minimizing cylinder-to-cylinder speed variations | Masahiko Miyaki, Hitoshi Tomishima, Akira Masuda | 1985-01-29 |
| 4492534 | Fuel injection pump for internal combustion engine | Masahiko Miyaki, Akira Masuda | 1985-01-08 |
| 4475507 | Fuel injection amount control | Masahiko Miyaki, Akira Masuda | 1984-10-09 |
| 4467769 | Closed loop air/fuel ratio control of i.c. engine using learning data unaffected by fuel from canister | — | 1984-08-28 |
| 4467770 | Method and apparatus for controlling the air-fuel ratio in an internal combustion engine | Takashi Arimura, Hisamitsu Yamazoe | 1984-08-28 |
| 4446832 | Method and system for controlling the idle speed of an internal combustion engine at variable ignition timing | Hideya Fujisawa, Norio Omori, Takashi Arimura, Hisamitsu Yamazoe, Kiyotaka Nishiura | 1984-05-08 |
| 4444168 | Engine idling speed control method and apparatus | Norio Omori | 1984-04-24 |
| 4344399 | Method and apparatus for controlling engine idling speed | Norio Omori, Hisamitsu Yamazoe | 1982-08-17 |