Issued Patents All Time
Showing 76–85 of 85 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5368765 | Lubricating oil and compositions for the hydrogen-containing Flon refrigerants | — | 1994-11-29 |
| 5310492 | Refrigerating machine oil composition | Hiromichi Seiki, Hideo Kanamori | 1994-05-10 |
| 5295357 | Method for lubricating compression type refrigerating system | — | 1994-03-22 |
| 5269955 | Lubricating oil for compression-type refrigerators and polyoxyalkylene glycol derivative | Yasuhiro Kawaguchi, Nobuaki Shimizu | 1993-12-14 |
| 5137650 | Lubricating oil composition containing a fluoroalkyl group-containing alcohol and a polyether compound | — | 1992-08-11 |
| 4983313 | Refrigerating machine oil composition | Minoru Takagi, Takashi Sunaga, Takeo Komatsubara, Taira Mutoh | 1991-01-08 |
| 4946611 | Refrigerator oil containing fluorinated siloxane compounds | — | 1990-08-07 |
| 4919207 | Method for drawing up special crude oil | Yoshiaki Ikuta, Masayuki Moriwaki | 1990-04-24 |
| 4800030 | Refrigerator oil composition | Hiroshi Nagakawa, Kenichi Yamashita | 1989-01-24 |
| 4756368 | Method for drawing up special crude oil | Yoshiaki Ikuta, Masayuki Moriwaki, Hisazi Matsui | 1988-07-12 |