Patents by Inventor Yukio Kuroiwa

Yukio Kuroiwa 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: D278627
    Type: Grant
    Filed: November 26, 1982
    Date of Patent: April 30, 1985
    Assignee: Hitachi, Ltd.
    Inventors: Taisuke Kashima, Shigeki Gushiken, Yukio Kuroiwa, Tohru Kiyota, Takashi Fujii