Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5443745 | Lubricant for refrigerating machine | Motoshi Sunami, Hiroshi Hasegawa | 1995-08-22 |
| 5370809 | Synthetic lubricating oils | Noboru Ishida, Hiroshi Hasegawa | 1994-12-06 |
| 5080816 | Lubricant for refrigerating machine | Motoshi Sunami, Hiroshi Hasegawa | 1992-01-14 |