Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4856333 | Servo type accelerometer | — | 1989-08-15 |
| 4849151 | Method of molding plastic and injection compression molding apparatus using elongatable tie bars | Toru Tamura, Masaaki Sunohara, Yoshio Nakatani | 1989-07-18 |
| 4840509 | Synthetic resin pen unit | Hiroshi Kato | 1989-06-20 |
| 4812729 | Protecting apparatus for secondary excitation type variable speed AC generator/motor | Hidenori Sawa, Hiroshi Sugisaka, Shigeaki Hayashi, Hiroto Nakagawa, Yasuteru Oono +1 more | 1989-03-14 |