Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6221274 | Lubricant compositions for refrigerating machine employing HFC-32, HFC-125 or HFC-134A | Yasushi Akahori, Noboru Masuda, Takeshi Izawa, Kazuo Tagawa, Tomohiro Magome | 2001-04-24 |
| 5728655 | Refrigerating machine oil composition for use with HCFC and HFC refrigerants | Yukiharu Beppu, Shozaburo Konishi, Takayoshi Hamada, Nobuo Murata, Norimasa Nishiura | 1998-03-17 |
| 5653909 | Refrigerating machine oil composition for use with HFC refrigerant | Yukiharu Beppu, Shozaburo Konishi, Susumu Kawaguchi, Noboru Masuda, Sou Suzuki | 1997-08-05 |
| 5043497 | Lubricating oil for traction drives | Hajime Yoshida, Koji Tsuchimoto | 1991-08-27 |
| 4371726 | Composition suitable for mechanical power transmission and process for operating traction drives | Yoshiharu Horita, Kenichi Fujimoto, Michio Hoshino, Tetsuo Takito | 1983-02-01 |