Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6019079 | Piston for internal combustion engines | Hideki Saito, Kazuhiko Akutsu | 2000-02-01 |
| 4993378 | Lubricating oil passage structure for a cylinder block | Keiji Ohtus | 1991-02-19 |
| 4846116 | Cylinder block for internal combustion engine | Junji Kinugasa, Tsuyoshi Kawabe | 1989-07-11 |
| 4756241 | Piston for internal combustion engine | Toyomi Shiba | 1988-07-12 |