Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6430143 | Optical pickup device and optical disc recording and/or reproducing apparatus | Yoshihiro Kajiyama, Junzo Kumakura, Toshiyuki Kuroiwa, Hideo Nagasaka, Kaneshiro Kondo +5 more | 2002-08-06 |
| 6421191 | Apparatus for driving an objective lens | Hideo Nagasaka | 2002-07-16 |