Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE35640 | Reversible thermosensitive recording material | Yoshihiko Hotta, Keishi Kubo, Makoto Kawaguchi | 1997-10-21 |
| 5614461 | Image formation method using a reversible thermosensitive recording material | Akihide Itoh, Yoshihiko Hotta, Akira Suzuki, Atushi Kutami | 1997-03-25 |