Issued Patents All Time
Showing 26–27 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4367495 | Method and apparatus for magnetic recording and reproduction of digital signal | Seiichi Mita, Yasuhiro Hirano | 1983-01-04 |
| 4233506 | Photo-sensor | Hideaki Yamamoto, Makoto Matsui, Toshihisa Tsukada, Tadaaki Hirai, Eiichi Maruyama | 1980-11-11 |