Patents by Inventor Shigefumi Goto

Shigefumi Goto 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).

  • Multichannel power controller
    Patent number: 8996140
    Abstract: An object of the present invention is to provide a multichannel power controller for limiting the number of channels with outputs therefrom simultaneously turned on and enabling power conditioning that makes the ratio of the “ON time” to the “ON+OFF time” for the output proportional to the input value, thus allowing the power capacity of the power plant to be set to the minimum required value, when a plurality of channels are subjected to time-sharing output control.
    Type: Grant
    Filed: December 20, 2010
    Date of Patent: March 31, 2015
    Assignee: RKC Instrument Inc.
    Inventors: Shigefumi Goto, Mitsugu Honda
  • MULTICHANNEL POWER CONTROLLER
    Publication number: 20130116848
    Abstract: An object of the present invention is to provide a multichannel power controller for limiting the number of channels with outputs therefrom simultaneously turned on and enabling power conditioning that makes the ratio of the “ON time” to the “ON+OFF time” for the output proportional to the input value, thus allowing the power capacity of the power plant to be set to the minimum required value, when a plurality of channels are subjected to time-sharing output control.
    Type: Application
    Filed: December 20, 2010
    Publication date: May 9, 2013
    Applicant: RKC INSTRUMENT INC.
    Inventors: Shigefumi Goto, Mitsugu Honda
  • Fish sonar
    Patent number: 6009044
    Abstract: Two digital reflectional signals of different depth ranges are displayed on two divided pictures in a display, whereby the conditions of the water and the bottom in the lake or pond can be detected. Therefore, the fish sonar is suitable for fishing for black bass.
    Type: Grant
    Filed: January 26, 1999
    Date of Patent: December 28, 1999
    Assignee: Honda Electronics Co., Ltd.
    Inventors: Shigefumi Goto, Yoshiyuki Asakura, Yoshinobu Okubo, Kenji Moriyama, Yoshikazu Maramatsu