Issued Patents All Time
Showing 26–28 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5300245 | Working fluid composition having ketone-containing compound for use in refrigeration system | Hiroki Sawada, Yuichiro Kobayashi, Akimitsu Sakai, Hideo Suzuki, Toshihiro Tanaka +2 more | 1994-04-05 |
| 5202044 | Working fluid composition for refrigerating machine | Akimitsu Sakai | 1993-04-13 |
| 5096606 | Refrigeration oil composition containing a fluoroethane and an ester compound | Akimitsu Sakai | 1992-03-17 |