Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6799859 | Surface illuminant device and prism sheet used therefor | Muneo Yoneda | 2004-10-05 |
| 5306746 | Resin compositions and optical products making use thereof | Tetsuya Suda | 1994-04-26 |
| 5004785 | Light-diffusing methacrylic resin and process for production thereof | Tetsuya Horiuchi | 1991-04-02 |
| 4963624 | Process for producing light-diffusing methacrylic resin article | Tetsuya Horiuchi | 1990-10-16 |
| 4906676 | Resin composition containing fine silica particles therein | — | 1990-03-06 |
| 4839125 | Process for preparation of light-diffusing methacrylic resin plates | — | 1989-06-13 |
| 4563494 | Synthetic resin composition and process for producing the same | — | 1986-01-07 |
| 4471078 | Process for preparation of selective light absorptive methacrylic resins | — | 1984-09-11 |
| 4415509 | Acrylic laminated diffuser panel having high light-diffusing property and process for preparing same | Yasuo Toyooka, Kunio Ohnishi, Toyokazu Ego | 1983-11-15 |