Patents by Inventor Masaru Iwase

Masaru Iwase 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).

  • Lambda type direct suspending overhead contact system for electric railway
    Patent number: 4454389
    Abstract: A lambda type direct suspending overhead contact system for an electric railway including two or more pairs of anchor ears connected to a contact wire and outer and inner suspension wires held by a suspension clamp on a fixed beam at a ratio of a tensile of said outer suspension wire to a tensile of said inner suspension wire of 2.0 to 3.5:1.
    Type: Grant
    Filed: July 1, 1981
    Date of Patent: June 12, 1984
    Assignees: Japanese National Railway, Sanwa Tekki Corporation
    Inventors: Osamu Oda, Hiroji Noda, Masaru Iwase, Yoshio Ishii
  • Scissors for cutting hair
    Patent number: D612696
    Type: Grant
    Filed: June 9, 2009
    Date of Patent: March 30, 2010
    Assignee: Mizutani Scissors Mfg. Co., Ltd.
    Inventor: Masaru Iwase