Patents by Inventor Ichirou Shibayama

Ichirou Shibayama 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).

  • Sewing machine
    Patent number: D290011
    Type: Grant
    Filed: December 26, 1984
    Date of Patent: May 26, 1987
    Assignee: Maruzen Sewing Machine Co., Ltd.
    Inventor: Ichirou Shibayama
  • Sewing machine
    Patent number: D298755
    Type: Grant
    Filed: June 3, 1986
    Date of Patent: November 29, 1988
    Assignee: Maruzen Sewing Machine Co., Ltd.
    Inventors: Ichirou Shibayama, Tetsuya Aono, Mitsuru Oomura
  • Sewing machine
    Patent number: D303117
    Type: Grant
    Filed: March 3, 1987
    Date of Patent: August 29, 1989
    Assignee: Maruzen Sewing Machine Co., Ltd.
    Inventors: Tetsuya Aono, Ichirou Shibayama
  • Sewing machine
    Patent number: D313604
    Type: Grant
    Filed: May 17, 1988
    Date of Patent: January 8, 1991
    Assignee: Maruzen Sewing Machine Co., Ltd.
    Inventor: Ichirou Shibayama
  • Sewing machine
    Patent number: D313805
    Type: Grant
    Filed: May 17, 1988
    Date of Patent: January 15, 1991
    Assignee: Maruzen Sewing Machine Co., Ltd.
    Inventor: Ichirou Shibayama
  • Sewing machine
    Patent number: D313806
    Type: Grant
    Filed: May 17, 1988
    Date of Patent: January 15, 1991
    Assignee: Maruzen Sewing Machine Co., Ltd.
    Inventor: Ichirou Shibayama