Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6411587 | Optical pickup optical system, optical pickup apparatus, coupling optical system, coupling optical system lens and recording/reproduction apparatus | Norikazu Arai, Koji Honda | 2002-06-25 |
| 6370103 | Objective lens for correcting chromatic aberration for use in recording to or reproducing from optical information recording medium and optical pickup apparatus therewith | Hiroyuki Yamazaki | 2002-04-09 |
| 6366542 | Optical pickup apparatus and objective lens | Norikazu Arai | 2002-04-02 |