Issued Patents 2011
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8014258 | Optical pickup having radially arranged lenses in a low profile construction | Tomoto Kawamura, Yoshiro Konishi, Yasuo Kitada | 2011-09-06 |
| 7978587 | Optical pickup apparatus and optical disc apparatus with a single beam system | Yasuo Kitada, Kazuyoshi Yamazaki, Tomoto Kawamura, Yoshiro Konishi | 2011-07-12 |
| 7940630 | Optical pick up apparatus with a single beam system and having a diffraction grating | Yasuo Kitada, Kazuyoshi Yamazaki, Tomoto Kawamura, Yoshiro Konishi | 2011-05-10 |
| 7885166 | Optical pick up apparatus with a single beam system and having a diffraction grating | Yasuo Kitada, Kazuyoshi Yamazaki, Tomoto Kawamura, Yoshiro Konishi | 2011-02-08 |