Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5683628 | Photochromic composition and photochromic resin obtainable by using the same | Hitoshi Mizuno, Satoshi Kubota, Toshiyuki Miyabayashi, Takashi Kobayakawa | 1997-11-04 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5683628 | Photochromic composition and photochromic resin obtainable by using the same | Hitoshi Mizuno, Satoshi Kubota, Toshiyuki Miyabayashi, Takashi Kobayakawa | 1997-11-04 |