Issued Patents All Time
Showing 1–25 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7530516 | Structure to be grasped | — | 2009-05-12 |
| 7380739 | Magnetic tape cassettes | Kazuo Hiraguchi, Shozo Onmori | 2008-06-03 |
| 7360982 | Structure for holding recording tape cartridge and method of manufacturing said structure | Kazuo Hiraguchi | 2008-04-22 |
| 7306180 | Recording tape cartridge and drive device thereof | Kazuo Hiraguchi | 2007-12-11 |
| 7284723 | Recording tape cartridge | Yusuke Ishihara, Kazuo Hiraguchi | 2007-10-23 |
| 7252258 | Recording tape cartridge | — | 2007-08-07 |
| 7227722 | Recording tape cartridge with reel lock member | Kazuo Hiraguchi, Shozo Onmori | 2007-06-05 |
| 7204447 | Recording tape cartridge | Kazuo Hiraguchi | 2007-04-17 |
| 7165738 | Record media cartridge | Kazuo Hiraguchi, Shozo Onmori | 2007-01-23 |
| 7121493 | Magnetic tape cassettes, tape reels for use therewith, resinous leaf springs, and a process for producing them | Kazuo Hiraguchi, Shozo Onmori | 2006-10-17 |
| 7100857 | Recording tape cartridge | Yusuke Ishihara, Kazuo Hiraguchi | 2006-09-05 |
| 7088551 | Recording media cartridge having a locking member for body halves | Kazuo Hiraguchi | 2006-08-08 |
| 7059554 | Recording tape cartridge | Kazuo Hiraguchi, Yusuke Ishihara | 2006-06-13 |
| 7055772 | Recording tape cartridge | — | 2006-06-06 |
| 7051968 | Recording tape cartridge | Kazuo Hiraguchi | 2006-05-30 |
| 7021579 | Recording tape cartridge | Kazuo Hiraguchi | 2006-04-04 |
| 7004418 | Recording tape cartridge | Kazuo Hiraguchi | 2006-02-28 |
| 6986479 | Magnetic tape cartridge and assembling method thereof | — | 2006-01-17 |
| 6977797 | Cartridge having a recording mode switching member | — | 2005-12-20 |
| 6964390 | Cartridge | — | 2005-11-15 |
| 6956717 | Recording media cartridge | Kazuo Hiraguchi, Shozo Onmori | 2005-10-18 |
| 6918555 | Cartridge | — | 2005-07-19 |
| 6915976 | Recording tape cartridge and drive device thereof | Kazuo Hiraguchi | 2005-07-12 |
| 6857592 | Recording tape cartridge | — | 2005-02-22 |
| 6827307 | Recording tape cartridge | Kazuo Hiraguchi | 2004-12-07 |