Issued Patents All Time
Showing 26–33 of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6565656 | Coating processing apparatus | Tetsuya Sada, Hiroshi Hashimoto | 2003-05-20 |
| 6410492 | Mixed esters of pentaerythritol for refrigeration base oils | Hiroyuki Hirano | 2002-06-25 |
| 6355186 | Refrigerating machine oil composition | Satoshi Suda, Hiroyuki Hirano | 2002-03-12 |
| 6241396 | Sealing device for a rolling bearing | Toshiharu Takamura, Hidenobu Magami, Tomoyuki Aizawa, Sadayuki Tanaka | 2001-06-05 |
| 6239086 | Refrigerating machine oil | Hiroyuki Hirano, Satoshi Suda | 2001-05-29 |
| 6231782 | Refrigerator oil composition | Satoshi Suda, Hiroyuki Hirano | 2001-05-15 |
| 6228282 | Refrigerator oil composition | Satoshi Suda, Hiroyuki Hirano | 2001-05-08 |
| 5464550 | Refrigerator oil composition containing phosphate ester additives for fluoroalkane refrigerant | Umekichi Sasaki, Hiroshi Hasegawa | 1995-11-07 |