Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5527229 | Planetary differential gear system provided with a differential action limiting mechanism | Sunao Ishihara, Keiji Nemoto, Hiroshi Wakui | 1996-06-18 |
| 5158152 | System for lubricating transmission for vehicle | Keiji Nemoto, Kiyokazu Okubo, Sunao Ishihara | 1992-10-27 |
| 5123512 | Automatic wear adjustment multiple-disk clutch apparatus | Keiji Nemoto, Kiyokazu Okubo, Shizuo Ishikura, Sunao Ishihara | 1992-06-23 |