Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6490061 | Optical information recording and reproducing apparatus having volume holographic memory | Satoru Tanaka, Hideki Hatano, Yoshihisa Itoh, Hajime Matsushita, Takashi Yamaji | 2002-12-03 |
| 6414762 | Optical information recording and reproducing apparatus using a holographic memory | Takashi Yamaji, Hideki Hatano, Yoshihisa Itoh, Satoru Tanaka, Hajime Matsushita | 2002-07-02 |