Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6501903 | Information record medium, apparatus for recording the same and apparatus for reproducing the same | Ryuichiro Yoshimura, Takao Sawabe, Yoshiaki Moriyama, Kaoru Yamamoto, Akihiro Tozaki +1 more | 2002-12-31 |
| 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, Takao Sawabe, Akihiro Tozaki, Kaoru Yamamoto | 2002-05-28 |
| 6335910 | Information recording apparatus capable of avoiding erroneous recording of information in the event of external disturbances due to movement | Osamu Yoshizawa, Hiroaki Shibasaki, Takayuki Iijima, Katsuaki Yamanoi, Jun Shinohara | 2002-01-01 |