Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5631753 | Black matrix base board and manufacturing method therefor, and liquid crystal display panel and manufacturing method therefor | Takuya Hamaguchi, Yasutomo Teshima, Ryutaro Harada, Satoshi Mitamura | 1997-05-20 |
| 5251071 | Color filter | Yasuhide Nakajima | 1993-10-05 |