Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6453119 | Information recording medium, method for recording information, and method for reproduction information | Koji Maruyama, Hideo Ando, Shinichi Kikuchi, Kazuhiko Taira | 2002-09-17 |
| 6385389 | Information recording medium, method for recording information, and method for reproduction information | Koji Maruyama, Hideo Ando, Shinichi Kikuchi, Kazuhiko Taira | 2002-05-07 |
| 6338139 | Information reproducing apparatus, authenticating apparatus, and information processing system | Hideo Ando, Masaki Nakagawa, Tadashi Kojima | 2002-01-08 |