Patents by Inventor Ken Nara

Ken Nara 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).

  • Tactile sensibility testing equipment
    Patent number: 4415326
    Abstract: A tactile sensibility testing equipment used for those who have a poor eyesight or the blind is disclosed. The testing equipment includes a plate member having a raised pattern formed its surface to be discriminated through the tactile sensation, a mounting member on which the plate member is detachably mounted and a supporting member for rotatably supporting the mounting member. Various patterns can be provided and exchangeably used to test and train the blind or those who have a poor eyesight for tactile sensibility according to their tactual ability.
    Type: Grant
    Filed: October 6, 1981
    Date of Patent: November 15, 1983
    Assignee: Canon Kabushiki Kaisha
    Inventors: Saburo Nagata, Ken Nara