Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5556931 | Polymerizable composition and organic glass | Satoshi Imura, Hironobu Nagoh | 1996-09-17 |
| 5462698 | Photochromic composition | Takashi Kobayakawa, Satoshi Imura, Kazumasa Itonaga | 1995-10-31 |
| 5395566 | Photochromic composition | Takashi Kobayakawa, Satoshi Imura, Kazumasa Itonaga | 1995-03-07 |