Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6490061 | Optical information recording and reproducing apparatus having volume holographic memory | Satoru Tanaka, Tomomitsu Kouno, Hideki Hatano, Hajime Matsushita, Takashi Yamaji | 2002-12-03 |
| 6414762 | Optical information recording and reproducing apparatus using a holographic memory | Takashi Yamaji, Tomomitsu Kouno, Hideki Hatano, Satoru Tanaka, Hajime Matsushita | 2002-07-02 |
| 6344127 | Method for preparing photocatalytic material | — | 2002-02-05 |