Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6794334 | Thermo reversible recording medium, member having information memorizing part, thermo reversible recording label, method of and apparatus for image processing | Yoshihiko Hotta, Fumio Kawamura, Katsushi Sugiyama, Katsuaki Kokubo, Koji Kawai +2 more | 2004-09-21 |
| 6489265 | Reversible thermosensitive recording medium, method of producing the medium, information recording devices using the medium, and image formation and erasing method using the medium | Yoshihiko Hotta, Masafumi Torii, Kunitoshi Sugiyama, Hideyuki Kobori, Katsushi Sugiyama +4 more | 2002-12-03 |
| 6174836 | Reversible thermosensitive recording medium, method of producing the medium, information recording devices using the medium, and image formation and erasing method using the medium | Yoshihiko Hotta, Masafumi Torii, Kunitoshi Sugiyama, Hideyuki Kobori, Katsushi Sugiyama +4 more | 2001-01-16 |
| 6096683 | Reversible thermosensitive recording medium and method for producing the medium | Tetsuya Amano, Kazumi Suzuki, Atsushi Kutami, Yoshihiko Hotta | 2000-08-01 |