Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6665257 | Optical head device, inclination detection apparatus using the same, and optical information processing apparatus using the same | Shin-ichi Kadowaki, Hiroaki Yamamoto, Ken'ichi Kasazumi, Seiji Nishino | 2003-12-16 |
| 6661769 | Optical storage medium, a tilt detection apparatus, and a data recording and reproducing apparatus | Shin-ichi Kadowaki, Hiromichi Ishibashi, Shigeru Furumiya | 2003-12-09 |