Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7200090 | Information recording apparatus including information attaching and generating device which generates group control information | Katsuaki Yamanoi, Tomoyasu Yamada, Takayuki Iijima, Shinichiro Abe, Yoji Shumura +1 more | 2007-04-03 |
| 6738330 | Optical information reproducing and recording apparatus utilizing varying temperature setting ranges | Yoji Shumura, Katsuaki Yamanoi | 2004-05-18 |
| 5926445 | Waveform controlling device for a tracking error signal | Takashi Sasaki, Kazuhiro Kiyoura, Alex Bradshaw, Koichiro Haraguchi, Takeshi Matsumoto +1 more | 1999-07-20 |
| 5751674 | Apparatus for controlling bias amount of focus error signal | Alex Bradshaw, Takashi Sasaki, Yoshifumi Fujino, Yoshimichi Nishio, Mayumi Takahashi +1 more | 1998-05-12 |
| 5608698 | Disk player which avoids sound failure resulted from retry of data reading | Katsuaki Yamanoi, Isamu Miura | 1997-03-04 |