Issued Patents All Time
Showing 26–50 of 133 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6913219 | Recording tape cartridge | Kazuo Hiraguchi | 2005-07-05 |
| 6896217 | Magnetic tape cartridge | Kenji Ishikawa, Hidetoshi Yamamoto, Akihiro Hashimoto, Daisuke Takahashi, Hideaki Shiga | 2005-05-24 |
| 6886769 | Magnetic tape cartridge | Hideaki Shiga, Yusuke Ishihara | 2005-05-03 |
| 6883741 | Magnetic tape cartridge | Hideaki Shiga, Yusuke Ishihara, Daisuke Takahashi, Seiji Tsuyuki | 2005-04-26 |
| 6874631 | Magnetic tape cassette storage case | Kazuo Hiraguchi, Shozo Onmori | 2005-04-05 |
| 6860445 | Magnetic tape cartridge | Hideaki Shiga, Yusuke Ishihara, Daisuke Takahashi, Seiji Tsuyuki | 2005-03-01 |
| 6857591 | Recording tape cartridge | Kazuo Hiraguchi | 2005-02-22 |
| 6855285 | Magnetic tape cassette | Teruo Ashikawa, Hiroyuki Naito, Shozo Onmori, Katsuki Asano, Masayoshi Moriwaki | 2005-02-15 |
| 6820832 | Magnetic tape cartridge | — | 2004-11-23 |
| 6804084 | Magnetic tape cassette having reduced friction against tape reels | Teruo Ashikawa, Hiroyuki Naito, Shozo Onmori, Katsuki Asano, Masayoshi Moriwaki | 2004-10-12 |
| 6795391 | Recording medium cartridge | Akihiko Fujii | 2004-09-21 |
| 6783094 | Recording-media tape reel | — | 2004-08-31 |
| 6764038 | Magnetic tape cartridge | Kazuo Hiraguchi | 2004-07-20 |
| 6761327 | Magnetic tape cartridge | Hideaki Shiga, Yusuke Ishihara, Daisuke Takahashi, Seiji Tsuyuki | 2004-07-13 |
| 6760192 | Magnetic tape cartridge for housing a reel | Daisuke Takahashi, Hideaki Shiga, Seiji Tsuyuki, Yusuke Ishihara | 2004-07-06 |
| 6752341 | Magnetic tape cartridge | Hideaki Shiga, Daisuke Takahashi, Yusuke Ishihara, Seiji Tsuyuki | 2004-06-22 |
| 6752269 | Magnetic tape cassette storage case | Shozo Onmori, Kazuo Hiraguchi | 2004-06-22 |
| 6751059 | Magnetic tape cartridge with urging member acting on reel brake radial outer periphery | Hideaki Shiga, Daisuke Takahashi, Yusuke Ishihara, Seiji Tsuyuki | 2004-06-15 |
| 6745967 | Magnetic tape cartridge | Hideaki Shiga, Daisuke Takahashi, Yusuke Ishihara, Seiji Tsuyuki, Jeffrey S. McAllister +2 more | 2004-06-08 |
| 6744596 | Magnetic tape cartridge | Daisuke Takahashi, Yusuke Ishihara, Hideaki Shiga | 2004-06-01 |
| 6736345 | Recording tape cartridge | Kazuo Hiraguchi | 2004-05-18 |
| 6729570 | Magnetic tape cassette, tape reel and magnetic tape | Naoto Murao, Makoto Sato, Mitsugu Yamagishi | 2004-05-04 |
| 6728066 | Magnetic tape cartridge having a brake | Hideaki Shiga, Daisuke Takahashi, Yusuke Ishihara, Seiji Tsuyuki | 2004-04-27 |
| 6721123 | Magnetic tape recording medium, magnetic tape recording and reproducing apparatus, magnetic tape recording method and magnetic tape cassette | Minoru Sueki, Kiyomi Ejiri | 2004-04-13 |
| 6717771 | Magnetic tape cartridge having projections | Daisuke Takahashi, Yusuke Ishihara, Hideaki Shiga, Robert Ralph Heinze, Jeffrey S. McAllister +2 more | 2004-04-06 |