Issued Patents 1994
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5372902 | Method for producing color filter | Yukio Yamashita, Haruyoshi Sato, Hitoshi Yuasa, Yutaka Otsuki | 1994-12-13 |
| 5334468 | Method for producing color filter | Yukio Yamasita, Haruyoshi Sato, Hitoshi Yuasa, Yutaka Otsuki | 1994-08-02 |
| 5314769 | Method for producing color filter | Yukio Yamasita, Haruyoshi Sato, Hitoshi Yuasa, Yutaka Otsuki | 1994-05-24 |
| 5314770 | Method for producing color filter | Yukio Yamasita, Haruyoshi Sato, Hitoshi Yuasa, Yutaka Otsuki | 1994-05-24 |