Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8581508 | LED driving apparatus | — | 2013-11-12 |
| 8040075 | Illumination apparatus for adjusting color temperature and brightness and illumination system including the same | — | 2011-10-18 |
| 6418105 | Optical disk recording device | Kazuhiko Honda | 2002-07-09 |
| 5046123 | Error signal detection circuit in a servo control device | — | 1991-09-03 |
| 5021896 | Fast search device in a magnetic recording and reproducing device | — | 1991-06-04 |
| 5008763 | Rotation control device for a rotary head in a magnetic recording and reproducing device | — | 1991-04-16 |
| 4910448 | PWM circuit | Norio Tomisawa | 1990-03-20 |