Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4887662 | Cooling drum for continuous-casting machines for manufacturing thin metallic strip | Shigenori Tanaka, Yasuo Itoh, Michiya Hayashida, Kenichi Hara, Hikotaro Itani +5 more | 1989-12-19 |
| 4835694 | Control system for automatic transmission | Kazuo Ishikawa | 1989-05-30 |
| 4825366 | Lockup control system for automatic transmission | Kazuo Ishikawa | 1989-04-25 |