Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6768889 | Method and apparatus for forming an image on display medium | — | 2004-07-27 |
| 6686940 | Reversible image display medium | Masahiko Matsuura, Hiroshi Mizuno, Masaharu Kanazawa, Keyaki Yogome, Takaji Kurita | 2004-02-03 |