Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4889016 | Hydraulic servo regulating systems in an automatic transmission | Fumitomo Yokoyama, Masakatsu Miura | 1989-12-26 |
| 4875392 | Manual valve in an automatic transmission | Fumitomo Yokoyama, Masakatsu Miura | 1989-10-24 |
| 4850251 | Hydraulic control device for automatic transmission | Fumitomo Yokoyama, Masakatsu Miura | 1989-07-25 |
| 4839041 | Magnetic oil strainer | Fumitomo Yokoyama, Koujiro Kuramochi, Tatsuo Kyushima | 1989-06-13 |