Issued Patents All Time
Showing 76–79 of 79 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5160371 | Display composition, coloring pigment, and recording material | — | 1992-11-03 |
| 4957352 | Electrochromic display device | Akio Yasuda | 1990-09-18 |
| 4940689 | Display material | — | 1990-07-10 |
| 4496646 | Photosensitive imaging material | — | 1985-01-29 |