Patents by Inventor Chisaburo Kimoto

Chisaburo Kimoto 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).

  • Learning device
    Patent number: 4121355
    Abstract: A learning device includes a learning sheet having for each question a set of answers, only one of which is the correct answer. The sheet is mounted on a base plate having a series of conducting bands which are tortuous or undulating so that the correct answers corresponding to the appropriate associated conducting bands will not be arranged in a straight line nor made obvious to the person using the learning device.
    Type: Grant
    Filed: March 7, 1977
    Date of Patent: October 24, 1978
    Assignee: Gakken Co., Ltd.
    Inventors: Chisaburo Kimoto, Katsuhiko Itasaka, Ryu Tanaka, Yoshinobu Kimura