Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4721071 | Cooling system for automotive engine or the like | Yoshinori Hirano, Hitoshi Shimonosono | 1988-01-26 |
| 4669427 | Cooling system for automotive engine or the like including quick cold weather warm-up control | Hitoshi Shimonosono, Naoki Ogawa, Yutaka Minezaki | 1987-06-02 |
| 4624221 | Cooling system for automotive engine or the like | Naoki Ogawa, Hitoshi Shimonosono, Yutaka Minezaki | 1986-11-25 |
| 4466401 | Internal combustion engine with bearing beam structure | Naoki Ogawa | 1984-08-21 |