Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7675279 | Switching regulator soft start circuitry using a D/A converter | Michiaki Yama | 2010-03-09 |
| 6490234 | Optical disk reproducing device | Hiroshi Oyabu | 2002-12-03 |
| 5995464 | Transporting device for moving a reproducing head of an information recorded disk reproducing apparatus | Hitoshi Sahai, Hiroyuki Maeda | 1999-11-30 |
| 5901126 | Disk reproducing apparatus having a disk diameter determining function | Hitoshi Sahai, Hiroyuki Maeda | 1999-05-04 |
| 5696744 | Disk reproducing apparatus having a disk diameter determining function | Hitoshi Sahai, Hiroyuki Maeda | 1997-12-09 |
| 5541901 | Disk reproducing apparatus having a circuit for detecting an abnormality of a servo device | Hiroyuki Watanabe | 1996-07-30 |