Issued Patents All Time
Showing 1–2 of 2 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, Tomoko Miyagawa +1 more | 2007-04-03 |
| 6738330 | Optical information reproducing and recording apparatus utilizing varying temperature setting ranges | Tomoko Miyagawa, Katsuaki Yamanoi | 2004-05-18 |