Issued Patents 2023
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11807769 | Primer composition for optical articles, and laminate | Shinobu Izumi, Taichi Hanasaki | 2023-11-07 |
| 11767467 | Photochromic compound and curable composition containing said photochromic compound | Takao Noguchi, Junji Takenaka, Takayoshi KAWASAKI, Yasutomo Shimizu, Masayuki Miyazaki | 2023-09-26 |
| 11649327 | Photochromic curable composition, use thereof, and polyrotaxane monomers | Shinobu Izumi, Ayako Ohara, Yasutomo Shimizu | 2023-05-16 |
| 11597874 | Photochromic curable composition | Ayako Ohara, Junji Takenaka | 2023-03-07 |
| 11578174 | Polyrotaxane, production method therefor, and optical composition containing said polyrotaxane | Yasutomo Shimizu, Katsuhiro Mori, Hiromasa Yamamoto | 2023-02-14 |