HW

Hiroaki Wakamatsu

Fujitsu Limited: 8 patents #3,989 of 24,456Top 20%
Overall (All Time): #666,096 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
6038093 Magnetic recording/reproducing apparatus with a current supplying circuit for demagnetizing residual magnetization remaining at an end of a magnetic pole Noboru Takada, Chie Takeda, Masayoshi Shinohara, Kenji Sato, Kenichi Aoshima 2000-03-14
6011666 Disk unit and portable electronic equipment 2000-01-04
5963385 Magnetic recording/reproducing apparatus and method for supplying a current to a magnetic head to stabilize a magnetized state of a magnet pole Noboru Takada, Chie Takeda, Masayoshi Shinohara, Kenji Sato, Kenichi Aoshima 1999-10-05
5914168 Magnetic recording medium and magnetic disc device Katsuhide Sone, Kiyoshi Yamaguchi, Yoshihiro Mitobe, Yoshito Kitamoto 1999-06-22
5824920 Apparatus for evaluating magnetic recording medium Masaharu Sugimoto, Minoru Takahashi, Hirosi SATOU 1998-10-20
5726839 Magnetic head having bypass magnetic path and set magnetic reluctance relationship Masayoshi Shinohara, Minoru Takahashi 1998-03-10
5589262 Perpendicular magnetic recording medium having a soft magnetic underlayer with a stripe magnetic domain structure Katsumi Kiuchi, Fumitake Suzuki, Takao Koshikawa 1996-12-31
5047297 Magnetic recording medium and manufacturing method thereof Yoshihiro Mitobe, Katsumi Kiuchi 1991-09-10