Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5249177 | Structure for preventing dislocation of a spring in an optical disk cartridge | Kunihito Kamakura, Seiichi Ohta, Seitaro Hamano, Yasushi Hiramatsu | 1993-09-28 |
| 5090078 | Optical disk storage container and cleaner | Kunihito Kamakura, Seiichi Ohta, Seitaro Hamano, Yasushi Hiramatsu | 1992-02-25 |
| 4784289 | Ticket issuing device for a ticket machine | Izumi Ogawa, Keisuke Murakami, Mamoru Tago, Tsutomu Fujiwara, Susumu Matsuda | 1988-11-15 |
| 4774614 | Magnetic head adjusting device | Keisuke Murakami, Masayosi Kawahira | 1988-09-27 |
| 4725905 | Magnetic disk driving device | Keisuke Murakami, Masayosi Kawahira | 1988-02-16 |
| 4711443 | Sheet supply device | Tsutomu Fujiwara, Susumu Matsuda, Keisuke Murakami, Izumi Ogawa, Mamoru Tago +2 more | 1987-12-08 |