Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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, Kunichika Moroboshi, Masafumi Torii, Kunitoshi Sugiyama, Hideyuki Kobori +4 more | 2002-12-03 |
| 6362130 | Reversible thermosensitive recording medium, card, label, disk, disk cartridge, tape cassette, method of producing the recording medium, and method of recording and erasing images using the same | Yoshihiko Hotta, Kunichika Morohoshi, Masafumi Torii, Kunitoshi Sugiyama, Hideyuki Kobori +4 more | 2002-03-26 |