Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11078363 | Optical material composition | Yosuke Imagawa, Kouhei Takemura, Hiroshi Horikoshi, Yoshiaki Yamamoto | 2021-08-03 |
| 10982094 | Optical material composition | Yosuke Imagawa, Kouhei Takemura, Hiroshi Horikoshi, Yoshiaki Yamamoto | 2021-04-20 |
| 10207987 | Polythiol composition and method for producing same | Kazuya Zenyoji, Rie Sakata, Teruo Kamura | 2019-02-19 |
| 10131749 | Sulfur compound and composition for optical materials containing same | Teruo Kamura, Hiroshi Horikoshi | 2018-11-20 |
| 10071959 | Polythiol compound and method for producing same | Teruo Kamura, Hiroshi Horikoshi | 2018-09-11 |
| 10065940 | Episulfide compound and optical material composition containing same | Teruo Kamura, Hiroshi Horikoshi | 2018-09-04 |
| 9604959 | Thiol compound and composition for optical materials using the same | Teruo Kamura, Hiroshi Horikoshi | 2017-03-28 |
| 9529117 | Polymerizable composition for optical material, method for producing same, and method for producing optical material | Teruo Kamura, Naotsugu Shimoda, Eiji Koshiishi, Motoharu Takeuchi | 2016-12-27 |