Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9131307 | Noise eliminating device, noise eliminating method, and noise eliminating program | — | 2015-09-08 |
| 7872956 | Optical-disc drive apparatus and method of deciding optimum recording powers of laser beam | Hideharu Eguchi | 2011-01-18 |
| 7839745 | Method and apparatus for recording information on optical disc | Kenki Yoshihara | 2010-11-23 |
| 7729218 | Method and apparatus for recording and reproducing signal on and from optical information recording medium | Kazunori Tokiwa, Hideharu Eguchi, Toshiyuki Kato, Hiroshi Tabata | 2010-06-01 |
| 7693021 | Optical information recording apparatus and method | — | 2010-04-06 |
| 7602687 | Method and apparatus for recording information on optical disc | Kenji Yoshihara | 2009-10-13 |
| 6201926 | Apparatus for recording digital picture signal | Yumi Yoshida, Seiji Higurashi | 2001-03-13 |
| 6052241 | Method and apparatus for minimizing erasure errors during information recording/reproducing | — | 2000-04-18 |
| 5633684 | Image information compression and decompression device | Seiji Higurashi, Mitsuo Harumatsu | 1997-05-27 |
| 5500679 | Method and apparatus for deriving a video signal corresponding to a standard definition signal from a high definition signal | Seiji Higurashi, Yasuaki Yamada, Takeo Ohishi | 1996-03-19 |