Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6173808 | Automobile exhaust noise silencer | Kazushige Maeda, Akira Sasaki, Haruki Yashiro | 2001-01-16 |
| 5708237 | Automobile exhaust noise silencer | Kazushige Maeda, Akira Sasaki | 1998-01-13 |
| 5465692 | Construction of oil pan for internal combusion engine | Yoichi Uraki, Masahiko Kondo, Hiroshi Miyakubo, Hisafumi Usuki | 1995-11-14 |
| 5245961 | Front cover arrangement in transversely mounted type internal combustion engine | Hiroshi Miyakubo | 1993-09-21 |
| 4782795 | Anti-knock system for automotive internal combustion engine | Yoshinori Hirano | 1988-11-08 |
| 4766852 | Cooling system for automotive engine or the like | Yoshinori Hirano | 1988-08-30 |
| 4694784 | Cooling system for automotive engine or the like | Yoshinori Hirano | 1987-09-22 |
| 4669426 | Cooling system for automotive engine or the like | Yoshinori Hirano, Yoji Ito | 1987-06-02 |
| 4662316 | Cooling system for automotive engine or the like | — | 1987-05-05 |
| 4630573 | Cooling system for automotive engine or the like | Naoki Ogawa, Yoshinori Hirano | 1986-12-23 |
| 4628872 | Cooling system for automotive engine or the like including coolant return pump back-up arrangement | Naoki Ogawa | 1986-12-16 |
| 4622925 | Cooling system for automotive engine or the like | — | 1986-11-18 |
| 4616602 | Cooling system for automotive engine or the like | Yoshinori Hirano | 1986-10-14 |
| 4577594 | Cooling system for automotive engine | Yoshimasa Hayashi, Yoshinori Hirano | 1986-03-25 |
| 4553505 | Cylinder head of internal combustion engine | Yoshinori Hirano, Masahiko Kondo | 1985-11-19 |
| 4456092 | Noise-shielding panel for engine | Naoki Ogawa, Hideya Yamaguchi | 1984-06-26 |
| 4446827 | Cylinder block of internal combustion engine | — | 1984-05-08 |
| 4442814 | Spark timing control system | — | 1984-04-17 |
| 4369744 | Low-noise level reciprocating piston internal combustion engine | Hirofumi Takei | 1983-01-25 |
| 4257369 | Internal combustion engine equipped with noise control device | Eiichi Abe, Naoki Ogawa, Hirofumi Takei | 1981-03-24 |