Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12275814 | (Meth)acrylate, monomer composition, molded body, composition for dental material, and dental material | — | 2025-04-15 |
| 12098236 | Monomer composition and production method thereof, raw material composition, curable composition, and molded body | — | 2024-09-24 |
| 12006382 | (Meth)acrylate, monomer composition for dental material, molded body, composition for dental material, dental material, and method of manufacturing (meth)acrylate | Eri Koizumi | 2024-06-11 |
| 11952447 | Polymerizable composition for dental material, and dental material obtained from said composition | Takuya Matsumoto | 2024-04-09 |
| 11407846 | (Meth)acrylate, monomer composition, dental material obtained from composition, and production method thereof | — | 2022-08-09 |
| 10954341 | Polymerizable composition for optical material, optical material, process for preparing polymerizable composition for optical material, and method of manufacturing optical material | Koji Suesugi | 2021-03-23 |
| 10627650 | Optical material and use thereof | Toshiya Hashimoto, Satoshi Kinoshita, Hiroyuki Sasaki | 2020-04-21 |
| 10399929 | Purification method of aldehyde compound | Masayuki Furuya, Michiharu Sakata, Koichi Tokunaga, Shigetoshi Kuma | 2019-09-03 |
| 10399930 | Purification method of aldehyde compound | Masayuki Furuya, Michiharu Sakata, Koichi Tokunaga, Shigetoshi Kuma | 2019-09-03 |
| 10239239 | Internal release agent, composition including internal release agent, and process for producing a plastic lens using same composition | Kouju OKAZAKI, Motoharu OIKI | 2019-03-26 |
| 10081703 | Polymerizable composition for optical material and optical material | Hidetaka Tsukada, Shinsuke Ito, Kenichi Goto, Toshihiko Nakagawa, Satoshi Yamasaki | 2018-09-25 |
| 10066081 | Polymerizable composition for optical materials | Toshiya Hashimoto, Kouya Kojima | 2018-09-04 |
| 9944029 | Process for producing optical material | — | 2018-04-17 |
| 9933635 | Optical material, composition for optical material, and use thereof | Toshiya Hashimoto, Kouya Kojima | 2018-04-03 |
| 9857503 | Optical material and use thereof | Kouya Kojima, Toshiya Hashimoto, Satoshi Kinoshita, Hiroyuki Sasaki | 2018-01-02 |
| 9809533 | Purification method of aldehyde compound | Masayuki Furuya, Michiharu Sakata, Koichi Tokunaga, Shigetoshi Kuma | 2017-11-07 |
| 9720137 | Eyewear material, eyewear frame, and eyewear | Satoshi Yamasaki, Goro Kuwamura, Daisuke Nishiguchi, Daisuke Hasegawa, Toshihiko Nakagawa +8 more | 2017-08-01 |
| 9708260 | Method for producing meta-xylylenediamines and method for producing bisamide compound | Kouya Kojima, Hidetaka Tsukada, Mamoru Takashina, Chitoshi Shimakawa | 2017-07-18 |
| 9670148 | Method for producing meta-xylylenediisocyanates | Kouya Kojima, Hidetaka Tsukada, Mamoru Takashina, Chitoshi Shimakawa | 2017-06-06 |
| 9487475 | Preparation method of aldehyde compound with limited amount of acrylonitrile | Koichi Tokunaga, Shigetoshi Kuma | 2016-11-08 |
| 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 |
| 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 |
| 9475760 | Preparation method of aldehyde compound using a metal compound and a phosphorus compound | Koichi Tokunaga, Shigetoshi Kuma | 2016-10-25 |
| 9227925 | Process for producing aldehyde compounds | Shigetoshi Kuma, Michiharu Sakata, Kouichi Tokunaga, Chitoshi Shimakawa, Masayuki Furuya +1 more | 2016-01-05 |