Issued Patents All Time
Showing 26–32 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6754020 | Magnetic recording media and magnetic recording/reproduction apparatuses | Takashi Hikosaka, Hideo Ogiwara, Soichi Oikawa | 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 |
| 6620533 | Magnetic recording medium | Takashi Hikosaka, Hideo Ogiwara, Soichi Oikawa | 2003-09-16 |
| 6548194 | Perpendicular magnetic recording medium and a magnetic reproducing apparatus | Takashi Hikosaka, Soichi Oikawa, Hiroshi Sakai, Kenji Shimizu | 2003-04-15 |
| 6404748 | Receipt circuit for a TDMA radio apparatus | — | 2002-06-11 |
| 6174597 | Magnetic recording apparatus | Keiichiro Yusu, Katsutaro Ichihara, Hideo Ogiwara, Akira Kikitsu | 2001-01-16 |