Issued Patents 2004
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6778346 | Recording and reproducing apparatus and file managing method using the same | Masaki Yamada, Yuko Obata, Nobuhisa Toshitani | 2004-08-17 |
| 6722598 | Tape cassette | Yoshitsugu Taki, Takao Hiramoto | 2004-04-20 |
| 6680817 | Recording medium device containing recording medium and recording/reproducing device | Yasuaki Kano, Kazuyuki Hirooka, Kazuya Koseki, Takao Hiramoto, Masahiro Kiyota +1 more | 2004-01-20 |
| 6674596 | Memory in cassette has use restriction recorded in read-only memory | — | 2004-01-06 |