Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8559135 | Magnetic tape reel having a positioning mark capable of being detected using a contactless detector, tape cartridge using the same, recording and reproducing apparatus for recording and reproducing information in the tape cartridge, and information recording and reproducing method thereof | — | 2013-10-15 |
| 7813081 | Magnetic tape cartridge with write protect member movable to irreversibly retaining position | — | 2010-10-12 |
| 7566020 | Tape cartridge and recording/reproducing apparatus | — | 2009-07-28 |
| 7540445 | Tape cartridge | — | 2009-06-02 |
| 7522381 | Recording medium built-in cartridge and cartridge built-in package | Tsugihiro Doi | 2009-04-21 |
| 7446976 | Tape cartridge with visible management information | — | 2008-11-04 |
| 7309040 | Magnetic tape cartridge | Tsugihiro Doi | 2007-12-18 |
| 6739537 | Single-reel tape cartridge with leader locking mechanism | Hikaru Mizutani, Nobutaka Miyazaki | 2004-05-25 |
| 6502776 | Tape leader member in a single-reel tape cartridge | Nobutaka Miyazaki | 2003-01-07 |