Issued Patents All Time
Showing 26–28 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10971186 | Cartridge memory, recording medium cartridge, and method of producing the same | Eiji Nakashio, Kazuo Anno, Shinya Tochikubo, Naohiro Adachi, Minoru Yamaga +1 more | 2021-04-06 |
| 10796724 | Magnetic recording medium | Eiji Nakashio, Kazuo Anno, Shinya Tochikubo | 2020-10-06 |
| 6175468 | Reproducing apparatus with auxiliary shutter configuration | Osamu Koizumi | 2001-01-16 |