Issued Patents 2002
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6501903 | Information record medium, apparatus for recording the same and apparatus for reproducing the same | Ryuichiro Yoshimura, Yoshiaki Moriyama, Kaoru Yamamoto, Akihiro Tozaki, Hisayuki Nakayama +1 more | 2002-12-31 |
| 6396781 | Audio information recording medium and audio information reproducing apparatus | Hidehiro Ishii, Shozo Ema, Kaoru Yamamoto, Yoshinori Hasegawa, Tokihiro Takahashi | 2002-05-28 |
| 6396997 | INFORMATION RECORD MEDIUM WHEREIN NAVIGATION INFORMATION IS RECORDED, APPARATUS FOR RECORDING INFORMATION INCLUDING NAVIGATION INFORMATION AND APPARATUS FOR REPRODUCING INFORMATION ACCORDING TO NAVIGATION INFORMATION | Yoshiaki Moriyama, Ryuichiro Yoshimura, Junichi Yoshio, Akihiro Tozaki, Kaoru Yamamoto | 2002-05-28 |
| 6343055 | Apparatus for and method of reproducing music together with information representing beat of music | Shozo Ema, Hidehiro Ishii, Yoshinori Hasegawa, Kaoru Yamamoto, Hirokazu Inotani +2 more | 2002-01-29 |