Patents by Inventor Masayuki Koshikawa

Masayuki Koshikawa 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: D288832
    Type: Grant
    Filed: November 7, 1984
    Date of Patent: March 17, 1987
    Assignee: Kabushikigaisha Marukoshi
    Inventor: Masayuki Koshikawa