Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6661415 | Liquid crystal driver and optical head for tilt correction | Katsuhiko Yasuda, Hidenori Wada, Daisuke Ogata, Kanji Wakabayashi, Yoshihiro Ikawa +2 more | 2003-12-09 |
| 6532202 | Optical element, optical head and optical recording reproducing apparatus | Hidenori Wada, Shin-ichi Kadowaki, Hiroaki Yamamoto, Tetsuo Saimi, Daisuke Ogata +1 more | 2003-03-11 |