Issued Patents 2003
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6664998 | Compound optical device, compound optical unit including the compound optical device, and optical pickup apparatus including the compound optical unit | Shoichi Kyoya | 2003-12-16 |
| 6628593 | Disk drive using plural optical heads, capable of identifying the types of media | Yasuaki Kameyama | 2003-09-30 |
| 6621771 | Disk drive with an objective lens disposed in an optical head moving along a transfer line not intersecting the center of rotation of a disk | Kenji Furuta, Shoichi Kyoya | 2003-09-16 |
| 6560188 | Compound optical unit mounted on optical device | Shoichi Kyoya | 2003-05-06 |