Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5696187 | Methyl methacrylate-styrene copolymer resin composition sheet | Yukio Kokuzawa, Kazunobu Sato | 1997-12-09 |
| 5449709 | Resin composition for lens based materials | Kazunobu Sato | 1995-09-12 |