Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4839041 | Magnetic oil strainer | Yoshinari Kuwayama, Fumitomo Yokoyama, Koujiro Kuramochi | 1989-06-13 |
| 4817472 | Transmission control system with protection against excessively high speed downshifting | Seitoku Kubo, Koujiro Kuramochi | 1989-04-04 |