Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4744635 | Color filter with a porous activated film layer having dye fixed in the minute pores to form color or pattern | Minoru Takaochi, Takao Sumi, Kenichi Masaki | 1988-05-17 |
| 4663192 | Production of transparent electrode substrate | Hiroshi Hatakeyama, Masayuki Ogawa, Eiji Nakagawa | 1987-05-05 |