Issued Patents All Time
Showing 1–25 of 133 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7997519 | Recording tape cartridge | Kazuo Hiraguchi, Kenji Takenoshita | 2011-08-16 |
| 7690594 | Recording tape cartridge | Kenji Takenoshita, Kazuo Hiraguchi | 2010-04-06 |
| 7562839 | Recording tape cartridge | Kenji Takenoshita, Kazuo Hiraguchi | 2009-07-21 |
| 7520462 | Recording tape cartridge | Kenji Takenoshita, Kazuo Hiraguchi | 2009-04-21 |
| 7475839 | Recording tape cartridge | Kazuo Hiraguchi, Kenji Takenoshita | 2009-01-13 |
| 7168655 | Reel | — | 2007-01-30 |
| 7156336 | Reel | — | 2007-01-02 |
| 7152826 | Tape reel | — | 2006-12-26 |
| 7131607 | Recording tape cartridge | Kazuo Hiraguchi | 2006-11-07 |
| 7121494 | Magnetic tape cartridge | Hideaki Shiga, Yusuke Ishihara, Daisuke Takahashi, Seiji Tsuyuki | 2006-10-17 |
| 7097126 | Magnetic tape cartridge | Daisuke Takahashi, Hideaki Shiga, Seiji Tsuyuki, Yusuke Ishihara | 2006-08-29 |
| 7097036 | Cassette storing case | — | 2006-08-29 |
| 7088552 | Magnetic tape cartridge with brake release push rod extending through reel hole wider than only one reel gear pitch | Hideaki Shiga, Daisuke Takahashi, Yusuke Ishihara, Seiji Tsuyuki, Jeffrey S. McAllister +2 more | 2006-08-08 |
| 7085101 | Magnetic tape cartridge with rotatably-mounted multi-projection brake release member | Hideaki Shiga, Daisuke Takahashi, Yusuke Ishihara, Seiji Tsuyuki, Jeffrey S. McAllister +2 more | 2006-08-01 |
| 7077352 | Magnetic tape cartridge | Kenji Ishikawa, Hidetoshi Yamamoto, Akihiro Hashimoto, Daisuke Takahashi, Hideaki Shiga | 2006-07-18 |
| 7063287 | Magnetic tape cartridge | Hideaki Shiga, Yusuke Ishihara | 2006-06-20 |
| 7014138 | Magnetic tape cartridge | Yusuke Ishihara, Hideaki Shiga | 2006-03-21 |
| 7011210 | Magnetic tape cassette case | — | 2006-03-14 |
| 6992859 | Magnetic disk cartridge with dust removing liner | Hideaki Shiga, Harumi Aoishi | 2006-01-31 |
| 6981669 | Magnetic tape cartridge | Yusuke Ishihara, Hideaki Shiga | 2006-01-03 |
| 6981586 | Magnetic tape cassette storage case | Shozo Onmori, Kazuo Hiraguchi | 2006-01-03 |
| 6962305 | Reel | — | 2005-11-08 |
| 6953169 | Magnetic tape cartridge | Hideaki Shiga, Yusuke Ishihara, Daisuke Takahashi, Takuji Daihisa | 2005-10-11 |
| 6953170 | Magnetic tape cartridge | Hideaki Shiga, Daisuke Takahashi, Yusuke Ishihara, Seiji Tsuyuki | 2005-10-11 |
| 6938848 | Magnetic tape cartridge | Hideaki Shiga, Daisuke Takahashi, Yusuke Ishihara, Seiji Tsuyuki | 2005-09-06 |