Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5543482 | Composition for high refractive index lens comprising copolymer of vinylbenzylthio compound and a monomer copolymerizable therewith | Masanori Shimuta, Toru Takahashi, Kenichi Takahashi, Akira Kurata, Osamu Aoki | 1996-08-06 |
| 5395909 | Composition for high refractive index lens comprising a copolymer of a vinylbenzylthio compound | Masanori Shimuta, Toru Takahashi, Kenichi Takahashi, Akira Kurata, Osamu Aoki | 1995-03-07 |
| 5180747 | Stabilized fat-soluble vitamin compositions | Yoshihisa Matsuda, Reiko Teroaka, Yukio Tanaka | 1993-01-19 |