Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6721118 | Recording medium library device and control method thereof | Nobuhiro Tsurumaki, Masato Yokota, Toru Yumine | 2004-04-13 |
| 6690530 | Cassette auto changer system | Noriyuki Yamazaki, Junichi Saiki, Hideaki Noguchi, Nobuhiro Tsurumaki, Takao Mokutani +2 more | 2004-02-10 |