Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5305154 | Color filter with a porous activated film layer having dyes fixed in the minute pores to form a color pattern | Tenri Isoda, Yoshihide Inako, Masahiro Nishida | 1994-04-19 |