Issued Patents All Time
Showing 51–56 of 56 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6754020 | Magnetic recording media and magnetic recording/reproduction apparatuses | Takashi Hikosaka, Futoshi Nakamura, Hideo Ogiwara | 2004-06-22 |
| 6713197 | Perpendicular magnetic recording medium and magnetic recording apparatus | Futoshi Nakamura, Takashi Hikosaka, Hideo Ogiwara | 2004-03-30 |
| 6699600 | Magnetic recording medium, method of manufacture therefor, and apparatus for magnetic recording and reproducing recordings | Kenji Shimizu, Akira Sakawaki, Hiroshi Sakai, Takashi Hikosaka | 2004-03-02 |
| 6682826 | Magnetic recording medium, method of manufacturing therefor, and magnetic read/write apparatus | Kenji Shimizu, Akira Sakawaki, Hiro Mochizuki, Hiroshi Sakai, Takashi Hikosaka | 2004-01-27 |
| 6620533 | Magnetic recording medium | Takashi Hikosaka, Futoshi Nakamura, Hideo Ogiwara | 2003-09-16 |
| 6548194 | Perpendicular magnetic recording medium and a magnetic reproducing apparatus | Takashi Hikosaka, Futoshi Nakamura, Hiroshi Sakai, Kenji Shimizu | 2003-04-15 |