Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6442125 | Optical pickup | Takanori Maeda, Yoshitsugu Araki | 2002-08-27 |
| 6370092 | Optical pickup and optical disk drive for use with a high-density optical disk | Yoshitsugu Araki, Takanori Maeda | 2002-04-09 |
| 6370107 | Recording medium and recording device | Sumio Hosaka, Atsushi Kikukawa, Kenchi Ito, Kimitoshi Etoh | 2002-04-09 |