Patents by Inventor Yoshikazu Maramatsu

Yoshikazu Maramatsu 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).

  • 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