Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5995464 | Transporting device for moving a reproducing head of an information recorded disk reproducing apparatus | Naruhiro Okamoto, Hiroyuki Maeda | 1999-11-30 |
| 5901126 | Disk reproducing apparatus having a disk diameter determining function | Naruhiro Okamoto, Hiroyuki Maeda | 1999-05-04 |
| 5698971 | Device for detecting the end of battery life, power supply circuit having the device, and a portable machine having the power supply circuit | Yosiaki Suenaga, Hiroyuki Maeda | 1997-12-16 |
| 5696744 | Disk reproducing apparatus having a disk diameter determining function | Naruhiro Okamoto, Hiroyuki Maeda | 1997-12-09 |
| 5442275 | Battery charging circuit and electronic device including the same | — | 1995-08-15 |