Issued Patents All Time
Showing 26–45 of 45 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5700541 | Magnetic recording medium | Tsutomu Okita | 1997-12-23 |
| 5612134 | Magnetic recording medium having a carbon protective layer and a fluoro-lubricant supplied from a backcoat layer | Tsutomu Okita, Hideomi Watanabe, Masaki Satake, Hiroshi Hashimoto | 1997-03-18 |
| 5607782 | Magnetic recording medium | Masaki Satake, Tsutomu Okita | 1997-03-04 |
| 5567524 | Magnetic recording medium having a cobalt thin film magnetic layer, carbon protective layer, and fluorolubricant layer | Masaki Satake, Hideomi Watanabe, Tadashi Yasunaga, Tsutomu Okita | 1996-10-22 |
| 5560983 | Magnetic recording medium comprising a magnetic layer and a sub layer containing an unsaturated alkyl carbonic ester | Yasushi Endo, Tsutomu Okita | 1996-10-01 |
| 5560995 | Magnetic recording medium having a ferromagnetic metal thin film upon which is coated a phosphorous and fluorine containing composition | Kazuyuki Usuki, Tadashi Yasunaga | 1996-10-01 |
| 5556707 | Magnetic recording medium having a lubricant comprising a phosphoric acid monoester and a fluorocarboxylic acid ester | Kazuyuki Usuki, Tadashi Yasunaga | 1996-09-17 |
| 5496645 | Magnetic recording medium comprising a magnetic metallic thin film and a layer containing a specified fluorine compound and a specified tetrazaindene cyclic compound or thiouracil cyclic compound | Masaki Satake, Tsutomu Okita | 1996-03-05 |
| 5492764 | Magnetic recording medium having a protective layer containing a tetrazaindene or thiouracil cyclic compound and a fluorine compound | Tsutomu Okita, Masaki Satake, Tadashi Yasunaga, Kazuyuki Usuki | 1996-02-20 |
| 5444595 | Load drive apparatus including power transistor protection circuit from overcurrent | Fukuo Ishikawa, Shuuichi Konishi, Katsumi Nakamura, Hideyuki Ikemoto | 1995-08-22 |
| 5395696 | Magnetic recording medium having a lubricant layer of a fluoroalkyl sulfo-compound | Hideomi Watanabe, Tsutomu Okita, Kunihiko Honda, Kazuyuki Usuki | 1995-03-07 |
| 5374480 | Magnetic recording medium | Yasuo Nishikawa | 1994-12-20 |
| 5334413 | Method for preparing a magnetic recording medium | Yasuo Nishikawa, Tadashi Yasunaga | 1994-08-02 |
| 5326641 | Magnetic recording medium comprising a ferromagnetic thin film and a protective layer of fluorine based resin | Yasuo Nishikawa | 1994-07-05 |
| 5164259 | Magnetic recording medium having a specified fatty acid hydroxylaluminum salt as a lubricant contained in or on the magnetic layer | Yasuo Nishikawa, Akira Ushimaru | 1992-11-17 |
| 5063119 | Magnetic recording medium comprising a fluorine containing oligomer surfactant in or on the magnetic layer | Akira Ushimaru, Yasuo Nishikawa | 1991-11-05 |
| 4906498 | Flexible optical recording material in the shape of tape or floppy disk | Rinjiro Ichikawa | 1990-03-06 |
| 4802742 | Electrode plates for liquid crystal display panels | Rinjiro Ichikawa | 1989-02-07 |
| 4616411 | Apparatus for fastening a door to a vehicle | Toshifumi Suzuki, Toshio Kawano, Ryoichi Setoguchi, Seiiti Mikami | 1986-10-14 |
| 4590534 | Tubes for integrated circuits | Yoshihiro Akamatsu, Tadashi Azuma | 1986-05-20 |