Issued Patents 2004
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE38569 | Information record medium, apparatus for recording the same and apparatus for reproducing the same | Kaoru Yamamoto, Ryuichiro Yoshimura, Yoshiaki Moriyama, Akihiro Tozaki, Junichi Yoshio | 2004-08-24 |
| 6778761 | Information record medium, apparatus for recording the same and apparatus for reproducing the same | Yoshiaki Moriyama, Tokihiro Takahashi, Hidehiro Ishii, Hiroyuki Kurashina, Junichi Yoshio | 2004-08-17 |
| 6760540 | Information storage medium and apparatus for reproducing the same | Kaoru Yamamoto, Hidehiro Ishii, Shozo Ema, Tokihiro Takahashi | 2004-07-06 |
| 6757483 | Information recording medium with aggregate attribute information recorded in video manager, apparatus for recording the same and apparatus for reproducing the same | Ryuichiro Yoshimura, Junichi Yoshio, Akihiro Tozaki, Yoshiaki Moriyama, Kaoru Yamamoto | 2004-06-29 |
| 6741797 | Information record medium, apparatus for recording the same and apparatus for reproducing the same | Akihiro Tozaki, Tokihiro Takahashi, Hidehiro Ishii, Junichi Yoshio, Hiroshi Nakamura +2 more | 2004-05-25 |
| 6724703 | Information recording apparatus and information recording method | Masanori Nakahara, Eisaku Kawano | 2004-04-20 |
| 6687211 | Information record medium on which audio information differing in recording methods are recorded and apparatus for reproducing the same | Kaoru Yamamoto, Hidehiro Ishii, Shozo Ema, Tokihiro Takahashi, Yoshinori Hasegawa | 2004-02-03 |