Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8139461 | Record medium, optical disk unit using it, and recording method | Shohei Inoue, Hideaki Horio, Taiichi Mori, Kouichi Bairin | 2012-03-20 |
| 6954264 | Optical pulse testing device | Makoto Kuratsu, Katsumi Hirata | 2005-10-11 |
| 6839130 | Optical fiber measuring apparatus | Katsumi Hirata | 2005-01-04 |
| 6771361 | Optical pulse testing device | Makoto Kuratsu, Katsumi Hirata | 2004-08-03 |
| 6009056 | Optical disc data reproducing method and optical disk driver | Yoshiro Kashiwabara | 1999-12-28 |
| 5764609 | Disk data reproducing method and apparatus for reading data at arbitrary speed | Yoshiro Kashiwabara | 1998-06-09 |