Issued Patents All Time
Showing 1–25 of 78 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7410708 | Magnetic reproducing method and magnetic recording medium | — | 2008-08-12 |
| 7381484 | Magnetic recording tape | — | 2008-06-03 |
| 7352528 | Leader tape and magnetic tape cartridge using the same | — | 2008-04-01 |
| 7283320 | Magnetic recording medium including servo and data bands in the magnetic layer | Shinji Tsujimoto | 2007-10-16 |
| 6999255 | Magnetic recording and reproducing system and magnetic recording medium used therein | Takeshi Harasawa | 2006-02-14 |
| 6905753 | Magnetic recording medium | Masahiko Mori | 2005-06-14 |
| 6893747 | Magnetic tape | — | 2005-05-17 |
| 6835438 | Magnetic recording tape | Noriko Inoue | 2004-12-28 |
| 6835451 | Magnetic recording medium | — | 2004-12-28 |
| 6821603 | Magnetic recording tape | Noriko Inoue | 2004-11-23 |
| 6773788 | Magnetic recording medium | Masahiko Mori | 2004-08-10 |
| 6735057 | Method of magnetic recording/reproducing | — | 2004-05-11 |
| 6721123 | Magnetic tape recording medium, magnetic tape recording and reproducing apparatus, magnetic tape recording method and magnetic tape cassette | Minoru Sueki, Kiyoo Morita | 2004-04-13 |
| 6667119 | Magnetic recording medium comprising magnetic layers, the coercive force thereof specifically related to saturation magnetic flux density | Minoru Sueki | 2003-12-23 |
| 6663955 | Magnetic recording medium | — | 2003-12-16 |
| 6652999 | Magnetic recording medium and signal recording system comprising at least two magnetic layers with orthogonally oriented axes | Minoru Sueki, Tsutomu Sugisaki | 2003-11-25 |
| 6602576 | Magnetic recording medium | Koji Naoe | 2003-08-05 |
| 6582815 | Magnetic recording medium and manufacturing method of the same | Koji Naoe | 2003-06-24 |
| 6579592 | Magnetic recording tape with controlled Hc and magnetic flux/unit area value and controlled Cl/Fe intensity | Satoshi Matsubaguchi, Masaki Suzuki, Hiroaki Doushita, Hiroaki Takano, Hiroo Inaba | 2003-06-17 |
| 6558772 | Magnetic recording medium and method of manufacturing same | Masahiko Mori | 2003-05-06 |
| 6548160 | Magnetic recording media | Koji Naoe | 2003-04-15 |
| 6534168 | Magnetic recording medium comprising a lower layer containing specific flat acicular &agr;-iron oxide powder | Koji Naoe | 2003-03-18 |
| 6521361 | Magnetic recording medium having specified acicular ratio relationship between non-magnetic and ferromagnetic particles | Masahiko Mori | 2003-02-18 |
| 6497948 | Magnetic recording medium | Masahiko Mori | 2002-12-24 |
| 6482506 | Magnetic recording medium | Masahiko Mori | 2002-11-19 |