Issued Patents All Time
Showing 1–25 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8381668 | Device for reducing frictional resistance of ship body | Shinichi Takano, Shuji Mizokami, Seijiro Higasa, Eiji Furuyama | 2013-02-26 |
| 5865153 | Engine control system and method | — | 1999-02-02 |
| 5769060 | Air-assisted fuel injection system | — | 1998-06-23 |
| 5623904 | Air-assisted fuel injection system | — | 1997-04-29 |
| 5549086 | Sliding contact-making structures in internal combustion engine | Toshikazu Ozawa, Chizuko Imai | 1996-08-27 |
| 5329912 | Induction system for an internal combustion engine | Chizuko Imai | 1994-07-19 |
| 4901680 | Intake system for engines | — | 1990-02-20 |
| 4445473 | Control of carburetor-supplied induction system | — | 1984-05-01 |
| 4414953 | Internal combustion engine with exhaust gas recycling system | Keiichi Sugiyama | 1983-11-15 |
| 4318380 | Intake system for multi-cylinder internal combustion engine | — | 1982-03-09 |
| 4306533 | Internal combustion engine with exhaust gas recycling system | Keiichi Sugiyama | 1981-12-22 |
| 4292944 | Intake control system for internal combustion engine | Keiichi Sugiyama, Kazuo Uchiyama | 1981-10-06 |
| 4276862 | Internal combustion engine of fuel injection type | — | 1981-07-07 |
| 4265202 | Induction system for an internal combustion engine | — | 1981-05-05 |
| 4257384 | Intake control apparatus of engine | — | 1981-03-24 |
| 4257374 | Method of controlling internal combustion | Minoru Yamada | 1981-03-24 |
| 4244333 | Induction system for an internal combustion engine | — | 1981-01-13 |
| 4241712 | Induction system for an internal combustion engine | — | 1980-12-30 |
| 4237828 | Method of controlling an internal combustion engine | Keiichi Sugiyama | 1980-12-09 |
| 4232640 | Induction system for an internal combustion engine | Keiichi Sugiyama | 1980-11-11 |
| 4231339 | Control device for exhaust gas recycled internal combustion engine | Keiichi Sugiyama | 1980-11-04 |
| 4214561 | Induction system for an internal combustion engine | Ryuichi Yamashita | 1980-07-29 |
| 4195602 | Intake control means for internal combustion engines | Ryuichi Yamashita | 1980-04-01 |
| 4192140 | Apparatus and method relating to internal combustion engines utilizing an exhaust gas reactor | Ryuichi Yamashita | 1980-03-11 |
| 4191136 | Combustion chamber of an internal combustion engine | — | 1980-03-04 |