Issued Patents 2003
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6627253 | Magnetic recording media for longitudinal recording, process for producing the same and magnetic memory apparatus | Hiroyuki Suzuki, Yoshihiro Shiroishi, Sadao Hishiyama, Tomoyuki Ohno, Yotsuo Yahisa +5 more | 2003-09-30 |
| 6623873 | Magnetic recording medium and magnetic disk apparatus using the same | Yotsuo Yahisa, Koji Sakamoto, Yuzuru Hosoe, Akira Kato | 2003-09-23 |
| 6623874 | Magnetic recording medium and magnetic recording apparatus | Tetsuya Kanbe, Yotsuo Yahisa, Jo Inagaki, Koji Sakamoto | 2003-09-23 |
| 6613428 | Magnetic recording medium and magnetic recording and reproducing apparatus wherein the magnetic layer has a fluctuation of field; A or Hf of not less than 30 Oersteds | Kazusuke Yamanaka, Tomoo Yamamoto, Yuzuru Hosoe, Nobuyuki Inaba, Yasutaro Uesaka +3 more | 2003-09-02 |
| 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 |
| 6544667 | Magnetic recording medium, producing method of the same and magnetic recording system | Yuzuru Hosoe, Yotsuo Yahisa, Kiwamu Tanahashi, Hiroyuki Suzuki, Koji Sakamoto +1 more | 2003-04-08 |