Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6739537 | Single-reel tape cartridge with leader locking mechanism | Hikaru Mizutani, Teruo Sogabe | 2004-05-25 |
| 6502776 | Tape leader member in a single-reel tape cartridge | Teruo Sogabe | 2003-01-07 |
| 6125012 | Recording medium cartridge with a twin-coiled torsional spring-biased shutter | Takashi Sumida | 2000-09-26 |
| 5893527 | Single-reel tape cartridge | Hikaru Mizutani, Takashi Sumida | 1999-04-13 |
| 5647550 | Tape cartridge reel lock mechanism | Takashi Sumida | 1997-07-15 |
| 5451007 | Tape cartridge reel lock mechanism | Takashi Sumida | 1995-09-19 |
| 5253822 | Tape cartridge having a name plate with an index formed thereon | Tadao Matsuki, Osamu Yamamoto | 1993-10-19 |