Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8787134 | Thermally assisted magnetic recording head inspection method and apparatus | Kaifeng Zhang, Takenori Hirose, Masahiro Watanabe, Tsuneo Nakagomi, Teruaki Tokutomi +2 more | 2014-07-22 |
| 8483035 | Thermally assisted magnetic recording head inspection method and apparatus | Kaifeng Zhang, Takenori Hirose, Masahiro Watanabe, Tsuneo Nakagomi, Teruaki Tokutomi +2 more | 2013-07-09 |
| 8000047 | Inspection apparatus and inspection method of magnetic disk or magnetic head | Masayoshi Takahashi, Masami Makuuchi, Yoshihiro Sakurai | 2011-08-16 |
| 7817362 | Inspection apparatus and inspection method of magnetic disk or magnetic head | Masayoshi Takahashi, Ritsuro Orihashi, Wen Li | 2010-10-19 |
| 7276900 | Magnetic characteristic inspecting apparatus and inspecting method using it | Masayoshi Takahashi, Masami Makuuchi, Ritsuro Orihashi | 2007-10-02 |
| 6894489 | TESTING APPARATUS FOR CONDUCTING A TEST ON A MAGNETIC RECORDING MEDIUM OR A MAGNETIC HEAD, THROUGH RECORDING TEST DATA ON THE MAGNETIC RECORDING MEDIUM AND REPRODUCING RECORDED TEST DATA THEREFROM BY MEANS OF THE MAGNETIC HEAD | Masami Makuuchi, Ritsurou Orihashi, Norio Chujo, Masayoshi Takahashi, Yoshihiko Hayashi | 2005-05-17 |
| 6700369 | Testing apparatus of magnetic recording medium or magnetic head including a plurality of analog-to-digital converters which convert reproduced testing data into digital data | Masami Makuuchi, Ritsurou Orihashi, Norio Chujo, Masayoshi Takahashi, Yoshihiko Hayashi | 2004-03-02 |
| 5557554 | Calibration method for protrusion detecting head units and protrusion inspection method and protrusion inspection device using the same | Hiroshi Kawaguchi, Takashi Nakakita | 1996-09-17 |
| 5488857 | Protrusion sensor for sensing protrusion on a disc | Kyoichi Mori, Takashi Nakakita | 1996-02-06 |