Patents by Inventor Katsuyuki Kamihashi

Katsuyuki Kamihashi has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Static electricity measuring system
    Patent number: 6225809
    Abstract: A static electricity measuring system including a probe, a measuring device, and a calibration device. The probe includes a sensor which detects an electric field and outputs signals representing the detected electric field. The measuring device measures static electricity on the basis of the signals output from the sensor. The calibration device generates a reference electric field. The measuring device is adjusted when the sensor detects the reference electric field produced by the calibration device.
    Type: Grant
    Filed: March 25, 1999
    Date of Patent: May 1, 2001
    Assignee: Kasuga Denki, Inc.
    Inventors: Satoru Watano, Katsuyuki Kamihashi, Teruo Suzuki, Kenshi Suzuki, Yasuo Morikawa