Issued Patents All Time
Showing 26–41 of 41 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6770388 | Perpendicular magnetic recording medium | Teruhisa Yokosawa | 2004-08-03 |
| 6767651 | Magnetic recording medium, method for manufacturing a magnetic recording medium and magnetic recording device | Tadaaki Oikawa, Takahiro Shimizu, Naoki Takizawa | 2004-07-27 |
| 6764721 | Manufacturing method for a perpendicular magnetic recording medium | Yasushi Sakai, Toyoji Ataka | 2004-07-20 |
| 6716543 | Magnetic recording medium and method for producing same | Tadaaki Oikawa, Naoki Takizawa | 2004-04-06 |
| 6716542 | Sputtering target for production of a magnetic recording medium | Tadaaki Oikawa | 2004-04-06 |
| 6696172 | Recording medium and method for manufacturing the same | Tadaaki Oikawa, Takahiro Shimizu, Naoki Takizawa | 2004-02-24 |
| 6673475 | Magnetic recording medium and manufacturing method therefore | Tadaaki Oikawa, Takahiro Shimizu, Naoki Takizawa | 2004-01-06 |
| 6667116 | Magnetic recording media, the manufacturing method for the same, and magnetic recording device | Akira Saito, Tsuyoshi Onitsuka, Tadaaki Oikawa | 2003-12-23 |
| 6667117 | Perpendicular magnetic recording medium and a manufacturing method for the same | Yasushi Sakai, Toyoji Ataka | 2003-12-23 |
| 6589669 | Magnetic recording medium and manufacturing method for the same | Tadaaki Oikawa | 2003-07-08 |
| 6579613 | Recording medium with limited using period | Teruhisa Yokosawa | 2003-06-17 |
| 5843561 | Magnetic recording medium and method for manufacturing the same | Naoki Takizawa, Noboru Kurata | 1998-12-01 |
| 5723032 | Magnetic recording medium and manufacturing method thereof | Kiyoto Yamaguchi, Yukiko Mamiya, Atsushi Ueda | 1998-03-03 |
| 5496632 | Magnetic recording medium and manufacturing method thereof | Kiyoto Yamaguchi, Yukiko Mamiya, Atsushi Ueda | 1996-03-05 |
| 5474830 | Magnetic recording medium and method for the manufacture thereof including spaced apart deposits | Kiyoto Yamaguchi, Kenji Ozawa, Hisasi Yamasaki | 1995-12-12 |
| 5382301 | High permeability thin-film magnetic head and method of manufacture | Keiji Ohkubo, Yuko Arimoto, Hisashi Yamasaki | 1995-01-17 |