Patents by Inventor Yumiko Toyozawa

Yumiko Toyozawa 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).

  • Tire for motorcycle
    Patent number: D449023
    Type: Grant
    Filed: May 15, 2000
    Date of Patent: October 9, 2001
    Assignee: Sumitomo Rubber Industries, Ltd.
    Inventor: Yumiko Toyozawa
  • Tire for motorcycle
    Patent number: D452202
    Type: Grant
    Filed: May 15, 2000
    Date of Patent: December 18, 2001
    Assignee: Sumitomo Rubber Industries, Ltd.
    Inventor: Yumiko Toyozawa
  • Tire tread
    Patent number: D522447
    Type: Grant
    Filed: November 5, 2004
    Date of Patent: June 6, 2006
    Assignee: The Goodyear Tire & Rubber Company
    Inventors: Toshiyuki Matsunami, Yumiko Toyozawa
  • Tire tread
    Patent number: D522448
    Type: Grant
    Filed: February 3, 2005
    Date of Patent: June 6, 2006
    Assignee: The Goodyear Tire & Rubber Company
    Inventors: Yumiko Toyozawa, Kazuo Kadomaru
  • Tire tread
    Patent number: D522449
    Type: Grant
    Filed: February 3, 2005
    Date of Patent: June 6, 2006
    Assignee: The Goodyear Tire & Rubber Company
    Inventors: Yumiko Toyozawa, Kazuo Kadomaru
  • Tire tread
    Patent number: D522958
    Type: Grant
    Filed: November 5, 2004
    Date of Patent: June 13, 2006
    Assignee: The Goodyear Tire & Rubber Company
    Inventors: Toshiyuki Matsunami, Yumiko Toyozawa
  • Tire tread
    Patent number: D522959
    Type: Grant
    Filed: November 5, 2004
    Date of Patent: June 13, 2006
    Assignee: The Goodyear Tire & Rubber Company
    Inventors: Toshiyuki Matsunami, Yumiko Toyozawa
  • Motorcycle tire
    Patent number: D522960
    Type: Grant
    Filed: June 2, 2005
    Date of Patent: June 13, 2006
    Assignee: The Goodyear Tire & Rubber Company
    Inventors: Toshiyuki Matsunami, Yumiko Toyozawa, Michael Jackson, Jean-Luc Faure
  • Tire tread
    Patent number: D523390
    Type: Grant
    Filed: November 5, 2004
    Date of Patent: June 20, 2006
    Assignee: The Goodyear Tire & Rubber Company
    Inventors: Toshiyuki Matsunami, Yumiko Toyozawa
  • Motorcycle tire
    Patent number: D523391
    Type: Grant
    Filed: June 2, 2005
    Date of Patent: June 20, 2006
    Assignee: The Goodyear Tire & Rubber Company
    Inventors: Toshiyuki Matsunami, Yumiko Toyozawa, Michael Jackson, Jean-Luc Faure
  • Tire for motorcycle
    Patent number: D551159
    Type: Grant
    Filed: February 17, 2006
    Date of Patent: September 18, 2007
    Assignee: The Goodyear Tire & Rubber Company
    Inventors: Toshiyuki Matsunami, Yumiko Toyozawa
  • Tire for motorcycle
    Patent number: D554046
    Type: Grant
    Filed: October 4, 2006
    Date of Patent: October 30, 2007
    Assignee: The Goodyear Tire & Rubber Company
    Inventors: Toshiyuki Matsunami, Yumiko Toyozawa
  • Tire for motorcycle
    Patent number: D554047
    Type: Grant
    Filed: October 4, 2006
    Date of Patent: October 30, 2007
    Assignee: The Goodyear Tire & Rubber Company
    Inventor: Yumiko Toyozawa
  • Tire for motorcycle
    Patent number: D554048
    Type: Grant
    Filed: October 4, 2006
    Date of Patent: October 30, 2007
    Assignee: The Goodyear Tire & Rubber Company
    Inventors: Toshiyuki Matsunami, Yumiko Toyozawa
  • Tire for motorcycle
    Patent number: D554049
    Type: Grant
    Filed: October 4, 2006
    Date of Patent: October 30, 2007
    Assignee: The Goodyear Tire & Rubber Company
    Inventor: Yumiko Toyozawa
  • Tire for motorcycle
    Patent number: D557198
    Type: Grant
    Filed: January 31, 2007
    Date of Patent: December 11, 2007
    Assignee: The Goodyear Tire & Rubber Company
    Inventors: Toshiyuki Matsunami, Yumiko Toyozawa
  • Tire tread
    Patent number: D487052
    Type: Grant
    Filed: June 17, 2003
    Date of Patent: February 24, 2004
    Assignee: The Goodyear Tire & Rubber Company
    Inventors: Yumiko Toyozawa, Toshiyuki Matsunami
  • Motorcycle tire
    Patent number: D419497
    Type: Grant
    Filed: January 22, 1999
    Date of Patent: January 25, 2000
    Assignee: Sumitomo Rubber Industries, Ltd.
    Inventor: Yumiko Toyozawa
  • Motorcycle tire
    Patent number: D419925
    Type: Grant
    Filed: January 22, 1999
    Date of Patent: February 1, 2000
    Assignee: Sumitomo Rubber Industries, Ltd.
    Inventor: Yumiko Toyozawa