Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5998096 | Process for producing polymerization or crosslinking rate-distributed article and process for producing lens, lens array or waveguide using the process | Seiji Umemoto, Yasuo Fujimura, Kazutaka Hara | 1999-12-07 |
| 4684256 | Apparatus and method for continuously measuring polarizing property | Akio Tsumura, Chiharu Miyaake | 1987-08-04 |
| 4620772 | Liquid crystal display plastic cell structure | Toshihiko Sugimoto, Yozo Oishi, Masaaki Kawaguchi | 1986-11-04 |
| 4592623 | Polarizing plate | Kazuaki Sasa, Toshihiko Sugimoto | 1986-06-03 |