Issued Patents All Time
Showing 26–49 of 49 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6894856 | Magnetic recording medium, magnetic recording apparatus using the same, and method and apparatus for manufacturing the magnetic recording medium | Atsushi Nakamura, Yoshio Suzuki, Yuko Tsuchiya | 2005-05-17 |
| 6858330 | Perpendicular magnetic recording media and magnetic storage apparatus using the same | Atsushi Kikugawa, Yukio Honda | 2005-02-22 |
| 6808824 | Perpendicular magnetic recording media | Atsushi Kikugawa, Noboru Shimizu, Yukio Honda, Yuzuru Hosoe | 2004-10-26 |
| 6759148 | Perpendicular magnetic recording media and magnetic storage apparatus using the same | Atsushi Kikugawa, Yukio Honda, Masaaki Futamoto, Akira Ishikawa | 2004-07-06 |
| 6723457 | Perpendicular magnetic recording media, manufacturing process of the same, and magnetic storage apparatus using the same | Atsushi Kikugawa, Noboru Shimizu, Yukio Honda, Yuzuru Hosoe | 2004-04-20 |
| 6709768 | Magnetic recording medium and its manufacturing method and magnetic recording system using such a magnetic recording medium | Yoshio Takahashi, Yuzuru Hosoe, Ichiro Tamai | 2004-03-23 |
| 6605374 | Magnetic recording medium and magnetic recording system using such a magnetic recording medium | Tetsuya Kanbe, Yoshio Takahashi, Akira Ishikawa, Ichiro Tamai, Yuzuru Hosoe +2 more | 2003-08-12 |
| 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 |
| 6583958 | Magnetic recording medium and magnetic storage system using same | Hiroyuki Suzuki, Yuzuru Hosoe | 2003-06-24 |
| 6574060 | Magnetic storage apparatus | Tetsuya Kanbe, Ichiro Tamai, Yuzuru Hosoe, Yoshio Takahashi, Fumiyoshi Kirino +2 more | 2003-06-03 |
| 6569545 | Magnetic recording medium and a magnetic storage apparatus | Tetsuya Kanbe, Yuzuru Hosoe, Ichiro Tamai, Yoshio Takahashi, Satoshi Matsunuma +1 more | 2003-05-27 |
| 6544667 | Magnetic recording medium, producing method of the same and magnetic recording system | Yuzuru Hosoe, Yoshibumi Matsuda, Yotsuo Yahisa, Hiroyuki Suzuki, Koji Sakamoto +1 more | 2003-04-08 |
| 6511761 | Magnetic recording media and magnetic storage apparatus | Tetsuya Kanbe, Satoshi Matsunuma, Akira Ishikawa | 2003-01-28 |
| 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 |
| 6403242 | Magnetic recording medium and magnetic recording system using such a magnetic recording medium | Tetsuya Kanbe, Yoshio Takahashi, Akira Ishikawa, Ichiro Tamai, Yuzuru Hosoe +2 more | 2002-06-11 |
| 6349008 | Magnetic recording media, magnetic heads and magnetic read-write apparatus using the same | Takanobu Takayama, Kazuetsu Yoshida, Mikio Suzuki, Yoshiyuki Hirayama, Masaaki Futamoto +1 more | 2002-02-19 |
| 6221508 | Magnetic recording media | Tetsuya Kanbe, Ichiro Tamai, Yuzuru Hosoe, Yoshio Takahashi, Fumiyoshi Kirino +2 more | 2001-04-24 |
| 6080476 | Magnetic recording medium and magnetic recording system using such a magnetic recording medium | Tetsuya Kanbe, Yoshio Takahashi, Akira Ishikawa, Ichiro Tamai, Yuzuru Hosoe +2 more | 2000-06-27 |
| 6057021 | Magnetic recording media and magnetic recording system using the same | Akira Ishikawa, Yuzuru Hosoe, Yoshihiro Shiroishi, Masatoshi Takeshita, Yotsuo Yahisa +6 more | 2000-05-02 |
| 6001447 | Longitudinal magnetic recording media and magnetic storage apparatus using the same | Yuzuru Hosoe, Ichiro Tamai, Tetsuya Kanbe, Tomoo Yamamoto, Masukazu Igarashi +1 more | 1999-12-14 |
| 5922456 | Longitudal magnetic recording medium having a multi-layered underlayer and magnetic storage apparatus using such magnetic recording medium | Yuzuru Hosoe, Ichiro Tamai, Tetsuya Kanbe, Tomoo Yamamoto | 1999-07-13 |
| 5875082 | Magnetic recording media, magnetic heads and magnetic read-write apparatus using the same | Takanobu Takayama, Kazuetsu Yoshida, Mikio Suzuki, Yoshiyuki Hirayama, Masaaki Futamoto +1 more | 1999-02-23 |
| 5750230 | Magnetic recording media and magnetic recording system using the same | Akira Ishikawa, Yuzuru Hosoe, Yoshihiro Shiroishi, Masatoshi Takeshita, Yotsuo Yahisa +6 more | 1998-05-12 |
| 5723198 | Multi-layered magnetic recording medium and magnetic recording system employing the same | Yuzuru Hosoe, Yoshihiro Shiroishi, Akira Ishikawa, Futoshi Tomiyama, Kazuetsu Yoshida +7 more | 1998-03-03 |