Patents by Inventor Katsuyasu Yuasa

Katsuyasu Yuasa 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).

  • Patent number: D331552
    Type: Grant
    Filed: July 19, 1991
    Date of Patent: December 8, 1992
    Assignee: Kyoei Silk Screen Co., Ltd.
    Inventor: Katsuyasu Yuasa