Patents by Inventor Yasao Mikami

Yasao Mikami 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).

  • Hand sweeper for carpets
    Patent number: 4099284
    Abstract: Driving wheels for auxiliary rotary wheels are provided at the forward corners of a sweeper in a spaced relationship from driving wheels for a main rotary brush to provide a long wheel base.
    Type: Grant
    Filed: February 22, 1977
    Date of Patent: July 11, 1978
    Assignee: Tanita Corporation
    Inventors: Mamoru Shinozaki, Yuichi Takahama, Hachiro Tubaki, Kazuo Nagasawa, Yasao Mikami
  • Hand sweeper
    Patent number: 4095304
    Abstract: A hand sweeper according to the present invention comprises a base in the form of a dust box having a rotary brush and driving wheels for transmitting their rotation to the rotary brush and a cover body for covering the dust box. The cover body has a handle pivotably attached thereto and is removably connected to the dust box.
    Type: Grant
    Filed: February 7, 1977
    Date of Patent: June 20, 1978
    Inventors: Mamoru Shinozaki, Yuichi Takahama, Hachiro Tubaki, Kazuo Nagasawa, Yasao Mikami