Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4872313 | Gas cycle machine | Takuya Suganami, Yoshiro Furuishi, Kazuo Kashiwamura | 1989-10-10 |
| 4856283 | Refrigerator | Yoshiro Furuishi, Kazuo Kashiwamura | 1989-08-15 |
| 4822390 | Closed cycle gas refrigerator | Takuya Suganami, Yoshiro Furuishi, Kazuo Kashiwamura | 1989-04-18 |
| 4817390 | Cryogenic compressor | Takuya Suganami | 1989-04-04 |