Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5832889 | Valve driving apparatus | Takehisa Yaegashi | 1998-11-10 |
| 5803033 | Valve drive apparatus for an internal combustion engine having a convex shim between a cam and a valve | — | 1998-09-08 |
| 4834031 | Variable compression-ratio control device for an internal combustion engine | Kenji Katoh, Eiji Iwasaki | 1989-05-30 |
| 4830517 | Device for locking rotation of an eccentric bearing of a compression ratio changing device | Eiji Iwasaki | 1989-05-16 |
| 4721073 | Compression ratio changing device using an eccentric bearing for an internal combustion engine | Yoshihito Moriya | 1988-01-26 |
| 4687348 | Device for locking/unlocking rotation of an eccentric bearing used in a compression ratio changing mechanism of an internal combustion engine | Yoshihito Moriya, Touru Ichimiya | 1987-08-18 |