Patents by Inventor Daijiroh Shiraishi

Daijiroh Shiraishi 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).

  • Centrifuge
    Patent number: D324107
    Type: Grant
    Filed: November 8, 1989
    Date of Patent: February 18, 1992
    Assignee: Hitachi Koki Company, Limited
    Inventors: Masakuni Koreeda, Sadamoto Tachihara, Daijiroh Shiraishi, Hiroshi Hayasaka, Mikio Shimizu