Issued Patents All Time
Showing 25 most recent of 51 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8561931 | Recording tape cartridge | Yosuke Sumiya | 2013-10-22 |
| 8534586 | Recording tape cartridge | Yosuke Sumiya | 2013-09-17 |
| 7918412 | Recording tape cartridge | Kenji Takenoshita, Yosuke Sumiya | 2011-04-05 |
| 7887318 | Mold assembly for molding tapered flange | Seiji Tsuyuki, Yosuke Sumiya | 2011-02-15 |
| 7815140 | Recording tape cartridge | Kenji Takenoshita | 2010-10-19 |
| 7780107 | Recording tape cartridge | Yosuke Sumiya, Kenji Takenoshita | 2010-08-24 |
| 7770835 | Recording tape cartridge | Yosuke Sumiya, Kenji Takenoshita | 2010-08-10 |
| 7600710 | Reel | Yosuke Sumiya | 2009-10-13 |
| 7471487 | Recording medium cartridge | Kazuo Hiraguchi, Makoto Sato | 2008-12-30 |
| 7420777 | Leader tape having an end which is cut using a mechanical process so as to be strongly spliced onto a magnetic tape | — | 2008-09-02 |
| 7419114 | Leader tape | — | 2008-09-02 |
| 7398940 | Leader tape, method for manufacturing the same, and magnetic tape cartridge | Kazuo Hiraguchi | 2008-07-15 |
| 7380739 | Magnetic tape cassettes | Kazuo Hiraguchi, Wataru Iino | 2008-06-03 |
| 7301728 | Recording medium cartridge having an accommodation portion for a noncontact-type memory | Kazuo Hiraguchi, Daisuke Takahashi, Teruo Ashikawa | 2007-11-27 |
| 7227722 | Recording tape cartridge with reel lock member | Kazuo Hiraguchi, Wataru Iino | 2007-06-05 |
| 7221540 | Recording medium cartridge | Kazuo Hiraguchi, Makoto Sato | 2007-05-22 |
| 7165738 | Record media cartridge | Kazuo Hiraguchi, Wataru Iino | 2007-01-23 |
| 7126791 | Recording medium cartridge having an accommodation portion for a noncontact-type memory | Kazuo Hiraguchi, Daisuke Takahashi, Teruo Ashikawa | 2006-10-24 |
| 7121493 | Magnetic tape cassettes, tape reels for use therewith, resinous leaf springs, and a process for producing them | Kazuo Hiraguchi, Wataru Iino | 2006-10-17 |
| 7095588 | Recording tape cartridge with reel lock member | Kazuo Hiraguchi, Wataru Ilno | 2006-08-22 |
| 7073741 | Magnetic tape cassette | Kazuo Hiraguchi, Teruo Ashikawa, Atusi Takano | 2006-07-11 |
| 6981586 | Magnetic tape cassette storage case | Kazuo Hiraguchi, Kiyoo Morita | 2006-01-03 |
| 6956717 | Recording media cartridge | Kazuo Hiraguchi, Wataru Iino | 2005-10-18 |
| 6874631 | Magnetic tape cassette storage case | Kazuo Hiraguchi, Kiyoo Morita | 2005-04-05 |
| 6866215 | Magnetic tape cassette | Kazuo Hiraguchi, Teruo Ashikawa, Atusi Takano | 2005-03-15 |