Issued Patents 2016
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9458293 | Method for producing composition for optical material | Takashi Aoki, Eiji Koshiishi, Motoharu Takeuchi | 2016-10-04 |
| 9360593 | Polycarbonate resin, production method therefor, and optical molded body | Yoshio Nishimura, Noriyuki Kato, Takashi Ishii, Kouji Hirose, Kentarou Ishihara +1 more | 2016-06-07 |
| 9321887 | Polyformal resin copolymer and method for producing the same | Munenori Shiratake, Yoshio Nishimura, Noriyuki Kato, Takashi Ishii | 2016-04-26 |