Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6813229 | Optical disc readout method and apparatus with focusing | Souzyu Gotou, Seiichi Itou, Youichi Harasawa, Toshiaki Kitano, Tetsuya Baba +1 more | 2004-11-02 |
| 4831466 | Magnetic tape recording signal level adjustment device | Shoji Murakami, Kyoichi Inoue, Satoshi Hiranuma, Toshihiko Osada | 1989-05-16 |