Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9460850 | Ferrite magnetic powder for bond magnet and manufacturing method of the same, and bond magnet | Shuichi Kohayashi, Hideki Katayama, Keisuke Ayabe | 2016-10-04 |
| 8337714 | Ferrite powders for bonded magnet, process for the production of the powders, and bonded magnet made by using the same | Kazuyuki Nakaue, Shinichi Suenaga, Masahiro Kojima, Satoru Tsuboi | 2012-12-25 |
| 5686801 | Cathode current detecting method and detecting circuit capable of correctly detecting cathode current by clamping leak current at 0 V | Katsuhiko Nishikawa | 1997-11-11 |
| 5532756 | Color video signal detector and color video signal detecting method | Katuhiko Nishikawa, Hidenori Hirai, Yoshio Ogawa | 1996-07-02 |