Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5196978 | Cartridge case | Junichi Washo, Kenji Ohta, Shigeo Terashima, Masahiro Horii, Toshihisa Deguchi | 1993-03-23 |
| 4920437 | Disc clamping device | Junichi Washo, Shigeo Terashima, Toshihisa Deguchi, Masahiro Horii, Kenji Ohta | 1990-04-24 |
| 4864125 | Extra magnetic field positioning apparatus | Hisashi Minami, Toshihisa Deguchi, Masaru Nomura | 1989-09-05 |
| 4794287 | Linear motor | Kazuhiko Ueda | 1988-12-27 |
| 4658393 | Optical memory disc | Kenji Ohta, Akira Takahashi, Tetsuya Inui, Hideyoshi Yamaoka | 1987-04-14 |
| 4634617 | Optical memory disc | Kenji Ohta, Akira Takahashi, Tetsuya Inui, Hideyoshi Yamaoka | 1987-01-06 |