Patents by Inventor Ryusuke Amachi

Ryusuke Amachi 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: D311725
    Type: Grant
    Filed: May 11, 1988
    Date of Patent: October 30, 1990
    Assignee: Hosiden Electronics Co., Ltd.
    Inventors: Masanori Tanaka, Ryusuke Amachi
  • Patent number: D312614
    Type: Grant
    Filed: March 21, 1988
    Date of Patent: December 4, 1990
    Assignee: Hosiden Electronics Co. Ltd.
    Inventors: Ryusuke Amachi, Masanori Tanaka
  • Patent number: D314941
    Type: Grant
    Filed: March 21, 1988
    Date of Patent: February 26, 1991
    Assignee: Hosiden Electronics Co., Ltd.
    Inventors: Ryusuke Amachi, Masanori Tanaka