Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4872313 | Gas cycle machine | Yoshio Kazumoto, Takuya Suganami, Yoshiro Furuishi | 1989-10-10 |
| 4856283 | Refrigerator | Yoshio Kazumoto, Yoshiro Furuishi | 1989-08-15 |
| 4822390 | Closed cycle gas refrigerator | Yoshio Kazumoto, Takuya Suganami, Yoshiro Furuishi | 1989-04-18 |