Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4947734 | Method of duty-ratio control for hydraulically actuated slip control lock-up clutch and transmission | Kenjiro Fujita, Takeo Hiramatsu | 1990-08-14 |
| 4943920 | Operation control method for a frictional engagement element | Takeo Hiramatsu, Kenjiro Fujita | 1990-07-24 |