Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8389098 | Optical information recording medium and recording/reproducing method therefor | Manami Miyawaki, Yuji Kuroda | 2013-03-05 |
| 8159911 | Recording device, recording method, disc manufacturing method and optical disc recording medium | Goro Fujita, Takeshi Miki, Koji Ashizaki, Masato Nakakura | 2012-04-17 |
| 7972673 | Optical recording medium | Tetsuhiro Sakamoto, Shigeki Takagawa, Jun Nakano, Goro Fujita | 2011-07-05 |
| 7924672 | Optical-disk recording medium, playing apparatus and method for same, and recording apparatus and method for same | Goro Fujita, Jun Nakano, Shigeki Takagawa, Kimihiro Saito | 2011-04-12 |
| 6638597 | Magneto-optical recording medium | Masataka Shinoda, Yasuhito Tanaka | 2003-10-28 |
| 6132862 | Magneto-optical recording medium | Shintaro Tanaka, Ariyoshi Nakaoki, Masahiko Kaneko | 2000-10-17 |