Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11066523 | Photochromic polyrotaxane compound and curable composition comprising the photochromic polyrotaxane compound | Junji Takenaka, Junji Momoda, Takayoshi KAWASAKI, Yasutomo Shimizu, Masayuki Miyazaki | 2021-07-20 |