Issued Patents All Time
Showing 26–29 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5221494 | Refrigerant composition comprising tetrafluoroethane refrigerant and lubricant having miscibility therewith at low temperature | Masanori Ikeda, Yoshio Suzuki | 1993-06-22 |
| 4792627 | Process for producing polyether polyol and a product | Atsushi Aoshima, Shoichiro Tonomura, Hisaya Imai | 1988-12-20 |
| 4658065 | Process for producing polyether polyol and a product | Atsushi Aoshima, Shoichiro Tonomura, Hisaya Imai | 1987-04-14 |
| 4355330 | X-ray television system | — | 1982-10-19 |