Issued Patents 1997
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, Hiroyuki Kusukawa, Yasutomo Teshima, Ryutaro Harada | 1997-05-20 |
| 5615030 | Black matrix substrate, and color filter and liquid crystal display device using the same | Ryutaro Harada | 1997-03-25 |