Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6760296 | Optical integrated device, optical pickup and optical disk apparatus | Tomohiko Baba, Katsutoshi Sato, Satoshi Imai, Hiroaki Yukawa | 2004-07-06 |
| 6674059 | Objective lens and optical pickup | — | 2004-01-06 |