Issued Patents 2004
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6754020 | Magnetic recording media and magnetic recording/reproduction apparatuses | Takashi Hikosaka, Hideo Ogiwara, Soichi Oikawa | 2004-06-22 |
| 6754514 | Portable mobile radio telephone apparatus | — | 2004-06-22 |
| 6723458 | Magnetic recording medium, method of manufacture therefor, and magnetic read/write apparatus | Kenji Shimizu, Akira Sakawaki, Hui Yang, Hiro Mochizuki, Hiroshi Sakai +1 more | 2004-04-20 |
| 6713197 | Perpendicular magnetic recording medium and magnetic recording apparatus | Takashi Hikosaka, Soichi Oikawa, Hideo Ogiwara | 2004-03-30 |