Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6728197 | Optical disk having a plurality of information recording units | Harukazu Miyamoto, Takeshi Maeda, Toshimichi Shintani, Takahiro Kurokawa, Tetsuo Ariyoshi | 2004-04-27 |
| 6683823 | Method for reproducing information on a recording medium | Hideki Saga, Hiroaki Nemoto, Masahiko Takahashi, Kimio Nakamura, Yohji Maruyama +2 more | 2004-01-27 |
| 6678225 | Information recording method, information recording medium and information recording apparatus | Takeshi Maeda, Hiroyuki Minemura, Hidehiko Kando, Makoto Miyamoto | 2004-01-13 |