Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4872313 | Gas cycle machine | Yoshio Kazumoto, Takuya Suganami, Kazuo Kashiwamura | 1989-10-10 |
| 4856283 | Refrigerator | Yoshio Kazumoto, Kazuo Kashiwamura | 1989-08-15 |
| 4822390 | Closed cycle gas refrigerator | Yoshio Kazumoto, Takuya Suganami, Kazuo Kashiwamura | 1989-04-18 |
| 4811563 | Vibration-reducing apparatus | Takuya Suganami, Michio Fujiwara | 1989-03-14 |