Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10207987 | Polythiol composition and method for producing same | Yoshihiko Nishimori, Kazuya Zenyoji, Rie Sakata | 2019-02-19 |
| 10131749 | Sulfur compound and composition for optical materials containing same | Yoshihiko Nishimori, Hiroshi Horikoshi | 2018-11-20 |
| 10071959 | Polythiol compound and method for producing same | Yoshihiko Nishimori, Hiroshi Horikoshi | 2018-09-11 |
| 10065940 | Episulfide compound and optical material composition containing same | Yoshihiko Nishimori, Hiroshi Horikoshi | 2018-09-04 |
| 9658365 | Optical material composition and method for producing same | Akinobu HORITA, Yousuke IMAGAWA, Hiroshi Horikoshi | 2017-05-23 |
| 9604959 | Thiol compound and composition for optical materials using the same | Yoshihiko Nishimori, Hiroshi Horikoshi | 2017-03-28 |
| 9529117 | Polymerizable composition for optical material, method for producing same, and method for producing optical material | Naotsugu Shimoda, Yoshihiko Nishimori, Eiji Koshiishi, Motoharu Takeuchi | 2016-12-27 |
| 9447226 | Composition for optical material, and method for producing same | Hiroyuki Okada, Hiroshi Horikoshi, Eiji Koshiishi | 2016-09-20 |
| 8642718 | Curable composition | Motoharu Takeuchi, Masahiro Johno | 2014-02-04 |
| 7301705 | Alicyclic compound for optical material | Yuichi Yoshimura, Motoharu Takeuchi | 2007-11-27 |