Issued Patents All Time
Showing 26–28 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5796683 | Magneto-optical recording device having a controllable polarizing filter | Kenji Tanase, Yoshihisa Suzuki, Atsushi Yamaguchi, Yoichi Tsuchiya | 1998-08-18 |
| 5327414 | Signal recording method for optical disk and apparatus therefor | Masami Makino | 1994-07-05 |
| 4993011 | Optical recording apparatus with simultaneous erasing and recording | Kenji Torazawa, Seiji Murata, Shigekazu Minechika | 1991-02-12 |