Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11370882 | Resin produced by polycondensation, and resin composition | Noriyuki Kato, Munenori Shiratake, Kentaro Ishihara | 2022-06-28 |
| 10689486 | Resin produced by polycondensation, and resin composition | Noriyuki Kato, Munenori Shiratake, Kentaro Ishihara | 2020-06-23 |
| 9982129 | Polycarbonate resin composition, and optical material and optical lens each manufactured using same | Noriyuki Kato, Kentaro Ishihara, Munenori Shiratake, Manabu Hirakawa | 2018-05-29 |
| 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 |
| 9150694 | Composition for use in optical material with high refractive index and high strength | Takashi Aoki, Motoharu Takeuchi | 2015-10-06 |
| 8389671 | Resin composition for optical member and optical member obtained from the same | Motoharu Takeuchi, Hiroshi Horikoshi, Hiroaki Tanaka | 2013-03-05 |