Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6900914 | Optical information recording and reproducing apparatus having volume holographic memory | Satoru Tanaka, Hideki Hatano, Yoshihisa Itoh, Hajime Matsushita, Takashi Yamaji | 2005-05-31 |
| 6862120 | Hologram recording medium, hologram recording method and hologram recording and reproducing apparatus | Satoru Tanaka, Hajime Matsushita, Yoshihisa Itoh, Hideki Hatano | 2005-03-01 |
| 6816291 | Optical information recording and reproducing apparatus having volume holographic memory | Satoru Tanaka, Hideki Hatano, Yoshihisa Itoh, Hajime Matsushita, Takashi Yamaji | 2004-11-09 |
| 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 |
| 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 |
| 6320683 | Optical information recording and reproducing apparatus using a volume holographic memory | Yoshihisa Ito, Hideki Hatano, Takashi Yamaji, Satoru Tanaka, Hajime Matsushita | 2001-11-20 |
| 6301028 | Holographic memory and optical information recording and reproducing apparatus using the same | Satoru Tanaka, Hideki Hatano, Yoshihisa Itoh, Hajime Matsushia, Takashi Yamaji | 2001-10-09 |
| 5009490 | Photo-conductive liquid crystal light valve | Hideki Hatano, Takashi Yamaji, Sakashi Ootaki, Masami Nishida | 1991-04-23 |
| 4695996 | Automatic loading disc player | Masanori Sugihara, Atsushi Kurosawa, Akihiko Okamoto, Kouji Shimoda, Toshiyuki Kimoto | 1987-09-22 |