Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8022163 | Internal mold release agent for production of polythiourethane optical material | Nobuo Kawato, Hidetoshi Hayashi, Mamoru Tanaka, Seiichi Kobayashi | 2011-09-20 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8022163 | Internal mold release agent for production of polythiourethane optical material | Nobuo Kawato, Hidetoshi Hayashi, Mamoru Tanaka, Seiichi Kobayashi | 2011-09-20 |