Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9969675 | Method for producing trans-bis(aminomethyl)cyclohexane, method for producing bis(isocyanatomethyl)cyclohexane, bis(isocyanatomethyl)cyclohexane, polyisocyanate composition, and polyurethane resin | Takeshi Fukuda, Jun Takahashi, Keita Takuno, Ryo Shinagawa, Masashi Shimamoto +3 more | 2018-05-15 |
| 9720137 | Eyewear material, eyewear frame, and eyewear | Satoshi Yamasaki, Goro Kuwamura, Daisuke Nishiguchi, Daisuke Hasegawa, Toshihiko Nakagawa +8 more | 2017-08-01 |
| 9475903 | 1,4-bis(isocyanatomethyl)cyclohexane, polyisocyanate composition, polyurethane resin, molded article, eyewear material, eyewear frame, and lens | Satoshi Yamasaki, Hirokazu Morita, Goro Kuwamura, Daisuke Nishiguchi, Toshihiko Nakagawa +8 more | 2016-10-25 |
| 9477012 | 1,4-bis(isocyanatomethyl)cyclohexane, polyisocyanate composition, polyurethane resin, molded article, eyewear material, eyewear frame, and lens | Satoshi Yamasaki, Hirokazu Morita, Goro Kuwamura, Daisuke Nishiguchi, Toshihiko Nakagawa +8 more | 2016-10-25 |
| 8748654 | Method for producing tolylene diisocyanate | Koji Takamatsu, Takeshi Fukuda, Masaaki Sasaki | 2014-06-10 |
| 8664420 | Process for production of zinc toluenesulfonate, zinc toluenesulfonate, and process for production of carbamate | Takeshi Fukuda, Masaaki Sasaki | 2014-03-04 |