Issued Patents All Time
Showing 1–25 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7630153 | Master carrier for magnetic transfer | Akito Kamatani, Seiji Kasahara | 2009-12-08 |
| 7502184 | Method of magnetic transfer and stopping slave medium rotation | Masakazu Nishikawa | 2009-03-10 |
| 7465383 | Master information carrier for magnetic transfer and its production method | Masakazu Nishikawa, Tadashi Yasunaga | 2008-12-16 |
| 7382558 | Magnetic transfer apparatus | Masakazu Nishikawa, Akito Kamatani | 2008-06-03 |
| 7368186 | Master carrier for magnetic transfer | Naoto Fujiwara, Seiji Kasahara | 2008-05-06 |
| 7187510 | Method of magnetic transfer to flexible medium | Tadashi Yasunaga | 2007-03-06 |
| 7149042 | Master carrier for magnetic transfer | Masakazu Nishikawa, Tadashi Yasunaga | 2006-12-12 |
| 7094481 | Master information carrier for magnetic transfer and magnetic transfer method | Masakazu Nishikawa, Tadashi Yasunaga, Toshihiro Usa, Kazunori Komatsu | 2006-08-22 |
| 7054080 | Magnetic transfer apparatus | Masakazu Nishikawa, Akito Kamatani | 2006-05-30 |
| 7054081 | Magnetic transfer apparatus | Masakazu Nishikawa, Akito Kamatani | 2006-05-30 |
| 7038868 | Method of magnetic transfer and stopping slave medium rotation | Masakazu Nishikawa | 2006-05-02 |
| 7009790 | Magnetic transfer apparatus | Masakazu Nishikawa | 2006-03-07 |
| 6985329 | Magnetic disk cartridge | Ryosuke Ogura, Kazuo Hiraguchi | 2006-01-10 |
| 6911270 | Master information carrier for magnetic transfer | Masakazu Nishikawa, Tadashi Yasunaga, Toshihiro Usa, Kazunori Komatsu | 2005-06-28 |
| 6909563 | Master carrier for magnetic transfer | Masakazu Nishikawa, Tadashi Yasunaga | 2005-06-21 |
| 6909564 | Magnetic transfer apparatus | Masakazu Nishikawa, Akito Kamatani | 2005-06-21 |
| 6906875 | Magnetic transfer device | Akito Kamatani, Masakazu Nishikawa, Makoto Nagao, Kazunori Komatsu, Tsuneo Inui | 2005-06-14 |
| 6879452 | Master information carrier for magnetic transfer | Masakazu Nishikawa | 2005-04-12 |
| 6876520 | Magnetic disk cartridge | — | 2005-04-05 |
| 6824835 | Flexible magnetic recording medium | Hitoshi Noguchi | 2004-11-30 |
| 6816327 | Master information carrier for magnetic transfer and magnetic transfer method | Masakazu Nishikawa, Tadashi Yasunaga, Toshihiro Usa, Kazunori Komatsu | 2004-11-09 |
| 5773137 | Magnetic recording disk | Yasushi Endo | 1998-06-30 |
| 5455093 | Flexible magnetic disk and process for preparing the same | Toshio Kawamata, Masaya Kojima | 1995-10-03 |
| 5384175 | Magnetic recording disc comprising a non-magnetic underlayer and a magnetic layer comprising ferromagnetic particles and a binder | Masaya Kojima, Satoru Hayakawa, Toshio Kawamata, Yasushi Endo | 1995-01-24 |
| 5370917 | Magnetic recording disc comprising magnetic powder and a binder in a container which includes a nonwoven fabric liner comprising polypropylene and rayon fibers | Toshio Kawamata, Satoru Hayakawa | 1994-12-06 |