Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10336961 | Viscosity index improver, lubricant composition, and method for manufacturing lubricant composition | Ayumu Sakaguchi, Satoshi Matsumoto, Kenyuu Yoshida | 2019-07-02 |
| 9683195 | Viscosity index improver and lubricating oil composition | Ayumu Sakaguchi, Takenori Tatsumi, Hiroki Yamashita | 2017-06-20 |
| 9109078 | Polymer polyol, method for producing the same, and method for producing polyurethane resin | Takayuki Tsuji, Yukiya Kobayashi, Katsuya Uchida | 2015-08-18 |
| 9062148 | Method for producing fine-particle-dispersed polyol, and method for producing polyurethane resin | Takayuki Tsuji, Yukiya Kobayashi | 2015-06-23 |
| 8772405 | Polymer polyol, method for producing the same, and method for producing polyurethane resin | Takayuki Tsuji, Yukiya Kobayashi, Katsuya Uchida | 2014-07-08 |
| 8455591 | Fine particle-dispersed polyol composition, method for producing polymer polyol, and method for producing polyurethane resin | Hiroyuki Watanabe, Takayuki Tsuji, Hiroki Mori | 2013-06-04 |
| 8394899 | Fine particle-dispersed polyol composition, method for producing polymer polyol, and method for producing polyurethane resin | Hiroyuki Watanabe, Takayuki Tsuji, Hiroki Mori | 2013-03-12 |