Patents by Inventor Hiromasa Yasui

Hiromasa Yasui 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).

  • Razor handle for use with a cartridge
    Patent number: D305265
    Type: Grant
    Filed: June 30, 1987
    Date of Patent: December 26, 1989
    Assignee: Warner-Lambert Company
    Inventors: Vincent C. Motta, Hiromasa Yasui, Yoshiaki Igarashi
  • Razor handle
    Patent number: D355049
    Type: Grant
    Filed: February 4, 1991
    Date of Patent: January 31, 1995
    Assignee: Warner-Lambert Company
    Inventor: Hiromasa Yasui