Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11387743 | Power supply device and control method for stably operating a device when a frequency of an input power supply fluctuates | Haruka ONISHI, Teruhisa Murashima | 2022-07-12 |
| 6744705 | Optical disc recording and reproducing apparatus | Masanobu Shimizu, Kazuhiro Teshirogi | 2004-06-01 |
| 6700841 | Optical-disc recording and reproducing apparatus | Masanobu Shimizu, Kazuhiro Teshirogi | 2004-03-02 |
| 6212143 | Spindle motor control system for a disk player | Kazuhiro Teshirogi, Masanobu Shimizu | 2001-04-03 |
| 5835463 | Spindle motor control system for use in an optical disk player | Kazuhiro Teshirogi, Masanobu Shimizu | 1998-11-10 |