Issued Patents 1989
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4856477 | Throttle control system for automotive internal combustion engine with fail-safe mechanism | Motoyoshi Hanaoka | 1989-08-15 |
| 4823908 | Directional loudspeaker system | Tsuneo Tanaka, Mikio Iwasa, Youichi Kimura | 1989-04-25 |
| 4822668 | Elastic absorbent | Toyoaki Tanaka, Katuzi Ohira, Ryosuke Kamei, Akihiro Hashimoto | 1989-04-18 |
| 4811606 | Mass flowmeter | Hiroaki Hasegawa, Yasuji Miyata, Koyata Sugimoto | 1989-03-14 |
| 4800773 | Accelerator cable connecting device | Motoyoshi Hanaoka, Tatsuo Sugimoto | 1989-01-31 |