Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6878677 | Refrigerating machine oil compositions | Shuichi Sakanoue, Youichiro Jido, Minoru Takagi, Shoichi Tominaga, Hiroshi Nagakawa | 2005-04-12 |
| 6656891 | Refrigerating machine oil composition | Shuichi Sakanoue, Minoru Takagi | 2003-12-02 |
| 4634543 | Shock absorber fluid composition and shock absorber containing said composition | Tahei Okada | 1987-01-06 |
| 4501678 | Lubricants for improving fatigue life | Takao Katayama | 1985-02-26 |