Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6031803 | Optical disk device and method for setting recording power and erasing power | Shinji Kubota, Wataru Masuda | 2000-02-29 |
| 5841747 | Optical disk device and method for setting recording power and erasing power | Shinji Kubota, Wataru Masuda | 1998-11-24 |
| 5249172 | Write laser power setting responsive to a series of written test signals having two frequency components | Shoji Hagihara, Takafumi Sugano, Wataru Masuda, Hironori Masuda, Hideaki Inoue | 1993-09-28 |
| 4744074 | Disk-type recording medium | Ryoichi Imanaka | 1988-05-10 |