Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5633104 | Method for manufacturing color filter | Tsutomu Watanabe, Toshiaki Ota, Nobuhiko Nishihara, Tsuyoshi Tokuda | 1997-05-27 |
| 5614337 | Method for manufacturing multi-color filter and full color display devices | Tsutomu Watanabe, Toshiaki Ota | 1997-03-25 |