Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6701063 | Video disc recording and reproducing apparatus, and method using the same | Tamotsu Ito, Masahiro Kageyama | 2004-03-02 |
| 6697563 | Information recording medium, motion-picture voice recording/reproducing apparatus, and motion-picture voice recording/reproducing method | Tsukasa Hasegawa, Tamotsu Ito, Masahiro Kageyama, Shinichiro Fukushima | 2004-02-24 |