Patents by Inventor Chiyoji Takahashi

Chiyoji Takahashi 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: D272916
    Type: Grant
    Filed: April 16, 1981
    Date of Patent: March 6, 1984
    Assignee: Nippon Kogaku K.K.
    Inventors: Masakazu Tomatsuri, Chiyoji Takahashi