Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11254791 | Polyurethane gel and production method thereof | Daisuke Hasegawa, Masakazu KAGEOKA, Toshihiko Nakagawa, Hirokazu Morita, Satoshi Yamasaki | 2022-02-22 |
| 11058660 | External wound-healing agent, and external wound-healing material | Naosuke Kunimoto, Kenichi Suzuki, Kouya Kojima, Akira Hasegawa, Yasufumi Tsuchiya +3 more | 2021-07-13 |
| 10513575 | Foam polyurethane material, molded article, and method for producing foam polyurethane material | Daisuke Hasegawa, Masakazu KAGEOKA, Satoshi Yamasaki | 2019-12-24 |
| 10227468 | Polyurethane resin | Toshihiko Nakagawa, Daisuke Hasegawa, Satoshi Yamasaki | 2019-03-12 |
| 9969675 | Method for producing trans-bis(aminomethyl)cyclohexane, method for producing bis(isocyanatomethyl)cyclohexane, bis(isocyanatomethyl)cyclohexane, polyisocyanate composition, and polyurethane resin | Takeshi Fukuda, Kazuhiro Kosumi, Jun Takahashi, Keita Takuno, Ryo Shinagawa +3 more | 2018-05-15 |
| 9796824 | Polyurethane resin | Toshihiko Nakagawa, Daisuke Hasegawa, Satoshi Yamasaki | 2017-10-24 |
| 9720137 | Eyewear material, eyewear frame, and eyewear | Satoshi Yamasaki, Daisuke Nishiguchi, Daisuke Hasegawa, Toshihiko Nakagawa, Hirokazu Morita +8 more | 2017-08-01 |
| 9477012 | 1,4-bis(isocyanatomethyl)cyclohexane, polyisocyanate composition, polyurethane resin, molded article, eyewear material, eyewear frame, and lens | Satoshi Yamasaki, Hirokazu Morita, Daisuke Nishiguchi, Toshihiko Nakagawa, Daisuke Hasegawa +8 more | 2016-10-25 |
| 9475903 | 1,4-bis(isocyanatomethyl)cyclohexane, polyisocyanate composition, polyurethane resin, molded article, eyewear material, eyewear frame, and lens | Satoshi Yamasaki, Hirokazu Morita, Daisuke Nishiguchi, Toshihiko Nakagawa, Daisuke Hasegawa +8 more | 2016-10-25 |
| 9404132 | Method for producing 1,5-pentamethylenediamine, 1,5-pentamethylenediamine, 1,5-pentamethylene diisocyanate, method for producing 1,5-pentamethylene diisocyanate, polyisocyanate composition, and polyurethane resin | Tomonori Hidesaki, Akiko Natsuji, Toshihiko Nakagawa, Daisuke Hasegawa, Satoshi Yamasaki +2 more | 2016-08-02 |
| 8722752 | Polyurethane resin | Toshihiko Nakagawa, Daisuke Hasegawa, Satoshi Yamasaki | 2014-05-13 |
| 6437013 | Microcellular polyurethane elastomer, and method of producing the same | Daisuke Nishiguchi, Satoshi Yamasaki, Takuya CHIKAMOTO, Kazuto Usaka, Kaoru Ueno | 2002-08-20 |