Issued Patents All Time
Showing 26–37 of 37 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6136761 | Extreme-pressure agent, friction coefficient modifier and functional fluids | Fumiaki Takagi | 2000-10-24 |
| 6008168 | Extreme-pressure agent, friction coefficient modifier, and functional fluids | Fumiaki Takagi | 1999-12-28 |
| 5948936 | Method for production of sulfide group-containing thiol compound | Hirokazu Itoh, Takashi Tomita | 1999-09-07 |
| 5919985 | Method for production of sulfide group-containing thiol compound | Hirokazu Itoh, Takashi Tomita | 1999-07-06 |
| 5478912 | Process for producing modified polyaminoamide, modified polyaminoamide produced thereby, and epoxy resin curing agent comprising the said modified polyaminoamide | Kazumasa Kimura, Takashi Kai, Hitoshi Yano, Ryuichi Ishikawa, Yoshihiro Arita | 1995-12-26 |
| 5422027 | Process for increasing traction coefficient | Toshiyuki Tsubouchi, Hitoshi Hata | 1995-06-06 |
| 5283384 | Traction drive fluid, process for producing the same and bicyclo octane compound | Toshiyuki Tsubouchi, Hitoshi Hata | 1994-02-01 |
| 5126065 | Process for improving the coefficient of traction and traction drive fluid | Toshiyuki Tsubouchi, Hitoshi Hata | 1992-06-30 |
| 5107041 | 1,1-dicyclohexyl cycloalkane derivative, method for the preparation thereof and traction-drive fluid containing the same | Toshiyuki Tsubouchi, Hitoshi Hata | 1992-04-21 |
| 4975215 | Process for improving the coefficient of traction and traction drive fluid composition | Toshiyuki Tsubouchi, Hitoshi Hata | 1990-12-04 |
| 4840745 | Fluid composition | Toshiyuki Tsubouchi, Hitoshi Hata | 1989-06-20 |
| 4774013 | Perhydrofluorene derivatives and fluids for traction drive | Toshiyuki Tsubouchi, Hitoshi Hata | 1988-09-27 |