Patents by Inventor Yoshimasa Tsuyama

Yoshimasa Tsuyama 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).

  • Spoke mounted reflector
    Patent number: 3967879
    Abstract: A spoke-mounted reflector assembly for a bicycle or like vehicle comprised of a pair of side reflectors having cooperating interengaging convex and concave portions for securing the two side reflectors to one another in desired position on the spokes of a bicycle.
    Type: Grant
    Filed: November 1, 1974
    Date of Patent: July 6, 1976
    Assignee: Tsuyama Manufacturing Co., Ltd.
    Inventor: Yoshimasa Tsuyama
  • Computerized bicycle combined speedometer, odometer and stop watch
    Patent number: D278210
    Type: Grant
    Filed: June 2, 1982
    Date of Patent: April 2, 1985
    Assignee: Tsuyama Mfg. Co., Ltd.
    Inventor: Yoshimasa Tsuyama