Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7155814 | Method for assembling a magnetic tape cartridge | Hidetoshi Yamamoto, Kenji Ishikawa, Yusuke Ishihara | 2007-01-02 |
| 6954335 | Magnetic tape cartridge | Seiji Tsuyuki, Hidetoshi Yamamoto, Hideaki Shiga | 2005-10-11 |
| 6898843 | Assembly supporting device for magnetic tape cartridge | Hidetoshi Yamamoto, Kenji Ishikawa, Yusuke Ishihara | 2005-05-31 |
| 6857593 | Magnetic tape cartridge | Hidetoshi Yamamoto, Kenji Ishikawa, Yusuke Ishihara | 2005-02-22 |