Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4858679 | Corrugated heat pipe | Masuji Sakaya, Tsuneaki Motai, Kouichi Mashiko | 1989-08-22 |
| 4854372 | Corrugated heat pipe | Masuji Sakaya, Tsuneaki Motai, Kouichi Mashiko | 1989-08-08 |
| 4842053 | Heat exchanger using heat pipes | Motoharu Yatsuhashi, Shinich Sugihara | 1989-06-27 |
| 4836275 | Corrugated heat pipe | Masuji Sakaya, Tsuneaki Motai, Kouichi Mashiko | 1989-06-06 |