Issued Patents 2011
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8081550 | Optical pickup device | Kunikazu Ohnishi | 2011-12-20 |
| 8040780 | Optical pickup device and optical disc apparatus | Yasuo Kitada | 2011-10-18 |
| 8036091 | Optical pick-up and optical information recording and reproducing apparatus | Eriko Tatsu, Tatsuro Ide, Shigeharu Kimura | 2011-10-11 |
| 7978587 | Optical pickup apparatus and optical disc apparatus with a single beam system | Toshimasa Kamisada, Yasuo Kitada, Tomoto Kawamura, Yoshiro Konishi | 2011-07-12 |
| 7948841 | Diffraction grating, optical pickup device and optical disc apparatus | — | 2011-05-24 |
| 7940630 | Optical pick up apparatus with a single beam system and having a diffraction grating | Toshimasa Kamisada, Yasuo Kitada, Tomoto Kawamura, Yoshiro Konishi | 2011-05-10 |
| 7885166 | Optical pick up apparatus with a single beam system and having a diffraction grating | Toshimasa Kamisada, Yasuo Kitada, Tomoto Kawamura, Yoshiro Konishi | 2011-02-08 |
| 7867920 | Method for modifying high-k dielectric thin film and semiconductor device | Shintaro Aoyama, Koji Akiyama | 2011-01-11 |