Issued Patents 1989
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4885002 | Brain ventricle shunt system | Kenichi Yamakoshi, Hideaki Shimazu | 1989-12-05 |
| 4882580 | Communication system | Mitsuji Teranishi, Akira Takeuchi | 1989-11-21 |
| 4878176 | Production process control system | Mitsuji Teranishi, Akira Takeuchi | 1989-10-31 |
| 4850187 | Gas turbine having components composed of heat resistant steel | Masao Siga, Yutaka Fukui, Mitsuo Kuriyama, Soichi Kurosawa, Katsumi Iijima +4 more | 1989-07-25 |
| 4802883 | Method of and apparatus for adjusting tension of timing belt | Kanji Tominaga, Toshihiro Hijikata, Katsuhiro Yamaguchi, Yoshimichi Matsumoto | 1989-02-07 |