Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5860523 | Tape cassette receiving housing | Toshikazu Konno, Hiroshi Ozaki, Kiyoshi Urayama, Takashi Ota, Seiji Nihei +2 more | 1999-01-19 |
| 5474249 | Method for producing tape leaders for hubs | Osamu Koizumi | 1995-12-12 |
| 5239436 | Tape cartridge with increased tape capacity | Taizo Aizawa, Osamu Koizumi, Kengo Saito | 1993-08-24 |
| 4916006 | Heat-sensitive transfer ribbon | Kyoichi Yamamoto, Akira Mizobuchi, Yasuo Sato, Nobuhiko Ikebayashi, Hirokatsu Imamura | 1990-04-10 |