Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6594220 | Volume holographic memory and optical information recording/reproducing apparatus | Hajime Matsushita, Hideki Hatano, Yoshihisa Itoh, Satoru Tanaka, Takashi Yamaji +1 more | 2003-07-15 |
| 6574181 | Holographic memory medium and recording apparatus using the same | Satoru Tanaka, Hideki Hatano, Yoshihisa Itoh, Hajime Matsushita, Takashi Yamaji | 2003-06-03 |