Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4800013 | Refrigerator oil composition | Ryozo Yamane, Takashi Kurihara, Hiroshi Kaise, Takeo Komatsubara | 1989-01-24 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4800013 | Refrigerator oil composition | Ryozo Yamane, Takashi Kurihara, Hiroshi Kaise, Takeo Komatsubara | 1989-01-24 |