Issued Patents All Time
Showing 1–25 of 87 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7401605 | Fuel injection control system for engine | Masakatsu Niikura | 2008-07-22 |
| 7324891 | Engine control method and device | — | 2008-01-29 |
| 7263427 | Failure diagnostic method and apparatus for manifold pressure sensors | Takashi Sasaki, Haruo Nakayama | 2007-08-28 |
| 7243021 | Failure diagnostic method and apparatus for manifold pressure sensor | — | 2007-07-10 |
| 7203594 | Failure diagnostic method and apparatus for atmospheric pressure sensors | — | 2007-04-10 |
| 7197917 | Method and apparatus for diagnosing failure of an atmospheric pressure sensor in an engine control system | — | 2007-04-03 |
| 7100571 | Method and apparatus for controlling engine | — | 2006-09-05 |
| 7086371 | Engine | Makoto Sanada, Minoru Matsuda | 2006-08-08 |
| 7069898 | Liquid-cooled engine | Minoru Matsuda | 2006-07-04 |
| 6866023 | Lean burn engine control system | — | 2005-03-15 |
| 4957075 | Apparatus for controlling inlet of exhaust valves | — | 1990-09-18 |
| 4944266 | Direct-injection diesel engine | Yasushi Takahashi, Yoshibumi Mishima | 1990-07-31 |
| 4864977 | Compression ratio-changing device for internal combustion engines | — | 1989-09-12 |
| 4864975 | Compression ratio-changing device for internal combustion engines | — | 1989-09-12 |
| 4688532 | Intake system for direct fuel injection diesel engine | — | 1987-08-25 |
| 4621600 | Fuel supply control method for internal combustion engines at fuel cut operation | — | 1986-11-11 |
| 4617891 | Secondary air supply for internal combustion engine | Eiji Kishida | 1986-10-21 |
| 4604703 | Apparatus for controlling the operating state of an internal combustion engine | — | 1986-08-05 |
| 4596164 | Air-fuel ratio control method for internal combustion engines for vehicles | Osamu Gotoh, Yutaka Otobe | 1986-06-24 |
| 4586481 | Secondary air supply for internal combustion engine | Eiji Kishida | 1986-05-06 |
| 4572149 | Air/fuel ratio control system for an internal combustion engine | Michitaka Shiraiwa, Sadatomo Tsuchiya | 1986-02-25 |
| 4572143 | Apparatus for detecting and indicating abnormality in an electronic control system for internal combustion engines | Shigeo Umesaki | 1986-02-25 |
| 4572141 | Method of controlling intake air quantity for internal combustion engines | Yoshibumi Mishima, Noriyuki Kishi, Yuzi Makino | 1986-02-25 |
| 4570599 | Air-fuel ratio feedback control system for internal combustion engines, capable of achieving proper air-fuel ratios from the start of the engine | Noriyuki Kishi | 1986-02-18 |
| 4558682 | Air intake side secondary air supply system for an internal combustion engine | Michitaka Shiraiwa | 1985-12-17 |