Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8993071 | Method for manufacturing magnetic recording medium | Hiroshi Inaba, Hiroshi Kanai, Nobuto Yasui | 2015-03-31 |
| 8767350 | Magnetic recording medium having recording regions and separating regions and methods of manufacturing the same | Hiroshi Yakushiji, Tatsuya Hinoue | 2014-07-01 |
| 8599509 | Magnetic recording medium having non-magnetic separating regions and methods of manufacturing the same | Tatsuya Hinoue, Hiroshi Yakushiji | 2013-12-03 |
| 8388414 | Apparatus for cleaning magnetic disks and methods for manufacturing magnetic disks | Naoto Endou, Mitsuhiro Shoda, Hiroyuki Matsumoto, Fumihito Takahashi | 2013-03-05 |
| 8383253 | Magnetic recording medium utilizing a recording layer having more and less concentrated parts of a nonmagnetic element in an in-plane direction and manufacturing method thereof | Tatsuya Hinoue, Hiroshi Kanai, Hiroyuki Suzuki, Hiroshi Inaba | 2013-02-26 |
| 8361640 | Magnetic recording medium having ion-implanted parts | Hiroshi Kanai, Tatsuysa Hinoue, Hiroyuki Suzuki, Hiroshi Inaba | 2013-01-29 |
| 8257845 | Magnetic recording medium utilizing a recording layer having more and less concentrated parts of a nonmagnetic element in an in-plane direction and a nonmagnetic layer | Tatsuya Hinoue, Hiroshi Kanai, Hiroyuki Suzuki, Hiroshi Inaba | 2012-09-04 |
| 7943193 | Magnetic recording medium with diamond-like carbon protective film, and manufacturing method thereof | Naoto Endou, Shigehiko Fujimaki, Hiroyuki Matsumoto | 2011-05-17 |
| 7875372 | Perpendicular magnetic recording medium and method of manufacturing the same | Hiroyuki Matsumoto, Mitsuhiro Shoda, Hiroshi Kanai | 2011-01-25 |
| 7718282 | Magnetic recording medium with corrosion resistance and manufacturing method | Shigehiko Fujimaki, Mitsuhiro Shoda | 2010-05-18 |
| 7147943 | Magnetic recording medium, the manufacturing method and magnetic recording apparatus using the same | Yuuichi Kokaku, Hiroyuki Matsumoto, Hiroshi Tani, Mitsuhiro Shoda, Tomonori Kozaki +4 more | 2006-12-12 |
| 7056604 | Magnetic recording media and magnetic recording system using the same | Tetsuya Kanbe, Akira Ishikawa, Ichiro Tamai, Yotsuo Yahisa, Yuzuru Hosoe +7 more | 2006-06-06 |
| 7045175 | Magnetic recording medium and method for manufacturing the same | Shigehiko Fujimaki, Toru Yatsue, Yuuichi Kokaku | 2006-05-16 |
| 7037607 | Magnetic recording medium, process for producing same and magnetic disc apparatus | Yuuichi Kokaku, Yoshinori Honda, Hiroyuki Suzuki | 2006-05-02 |
| 6949301 | Magnetic recording medium, the manufacturing method and magnetic recording apparatus using the same | Yuuichi Kokaku, Yoshinori Honda, Shigehiko Fujimaki, Tooru Yatsue | 2005-09-27 |
| 6773784 | Magnetic disk having ultrathin carbon protective film and magnetic disk apparatus | Kouji Sonoda, Hiroshi Tani, Hiroyuki Matsumoto, Mitsuhiro Shoda | 2004-08-10 |
| 6706363 | Magnetic recording medium, its production method and magnetic storage device using the medium | Yoshinori Honda, Yuuichi Kokaku, Shigehiko Fujimaki, Hiroyuki Kataoka | 2004-03-16 |
| 6596420 | Magnetic recording media and magnetic recording system using the same | Tetsuya Kanbe, Akira Ishikawa, Ichiro Tamai, Yotsuo Yahisa, Yuzuru Hosoe +7 more | 2003-07-22 |
| 6491798 | Magnetic recording medium and magnetic storage apparatus | Yuuichi Kokaku, Yoshinori Honda | 2002-12-10 |
| 6403194 | Magnetic recording medium, process for producing same and magnetic disc apparatus | Yuuichi Kokaku, Yoshinori Honda, Hiroyuki Suzuki | 2002-06-11 |
| 6403240 | Magnetic recording media and magnetic recording system using the same | Tetsuya Kanbe, Akira Ishikawa, Ichiro Tamai, Yotsuo Yahisa, Yuzuru Hosoe +7 more | 2002-06-11 |
| 6395412 | Magnetic recording media, manufacturing method for thereof and apparatus for using the media | Yoshinori Honda, Yuuichi Kokaku, Mitsuhiro Shoda | 2002-05-28 |
| 6329037 | Magnetic recording medium and magnetic memory | Yuuichi Kokaku, Yoshinori Honda | 2001-12-11 |