Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7881013 | Recording tape cartridge | Ren Ishikawa | 2011-02-01 |
| 7379258 | Inspection method of head unit moving device and manufacture method of inspection use tape therefor | Toru Nakao, Takahisa Izumida | 2008-05-27 |
| 7154694 | Servo writer | Toru Nakao, Takahisa Izumida | 2006-12-26 |
| 7110211 | Magnetic tape, magnetic tape cartridge, magnetic tape drive, and method for recording data on magnetic tape | Tetsuji Nishida | 2006-09-19 |
| 7014927 | Magnetic recording medium | Ryota Suzuki | 2006-03-21 |
| 6916521 | Cleaning medium for magnetic recording apparatus | Tadashi Ishiguro, Yutaka Kakuishi, Satoru Hayakawa | 2005-07-12 |
| 6881474 | Magnetic tape possessing a controlled radius of curvature in the width and longitudinal directions | Yutaka Kakuishi, Masatoshi Takahashi | 2005-04-19 |
| 6767610 | Magnetic tape having specific surface recording density and comprising a support having specific surface roughness | Masatoshi Takahashi, Toshiyuki Kitahara | 2004-07-27 |
| 6721123 | Magnetic tape recording medium, magnetic tape recording and reproducing apparatus, magnetic tape recording method and magnetic tape cassette | Kiyomi Ejiri, Kiyoo Morita | 2004-04-13 |
| 6667119 | Magnetic recording medium comprising magnetic layers, the coercive force thereof specifically related to saturation magnetic flux density | Kiyomi Ejiri | 2003-12-23 |
| 6652999 | Magnetic recording medium and signal recording system comprising at least two magnetic layers with orthogonally oriented axes | Kiyomi Ejiri, Tsutomu Sugisaki | 2003-11-25 |
| 6620483 | Magnetic recording medium | Akira Kasuga | 2003-09-16 |
| 6251509 | Magnetic tape | Toshio Kawamata, Toshiyuki Kitahara | 2001-06-26 |
| 6228461 | Magnetic recording tape | Masatoshi Takahashi, Yutaka Kakuishi | 2001-05-08 |