Patents by Inventor Takeo Miyamoto

Takeo Miyamoto 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).

  • Patent number: 8833624
    Abstract: A backpack type working machine has a main unit including a power source and a backpack band detachably attached to the main unit, for a worker to backpack the main unit and perform an operation. The back pack has a pad member including a belt-like cushion material and a belt-like band body extending along the pad member. The band body includes an upper end belt-like part branched from an upper end part of the pad member and an upper end joint for connecting the upper end belt-like part to the main unit. The main unit has an attachment for attaching thereto the upper end joint. When the upper end joint is attached to the attachment, the upper end part of the pad member comes into contact with the main unit from a worker side and is held downward.
    Type: Grant
    Filed: September 13, 2011
    Date of Patent: September 16, 2014
    Assignee: Maruyama Mfg. Co., Inc.
    Inventor: Takeo Miyamoto
  • Publication number: 20120080468
    Abstract: A backpack type working machine has a main unit including a power source and a backpack band detachably attached to the main unit, for a worker to backpack the main unit and perform an operation. The back pack has a pad member including a belt-like cushion material and a belt-like band body extending along the pad member. The band body includes an upper end belt-like part branched from an upper end part of the pad member and an upper end joint for connecting the upper end belt-like part to the main unit. The main unit has an attachment for attaching thereto the upper end joint. When the upper end joint is attached to the attachment, the upper end part of the pad member comes into contact with the main unit from a worker side and is held downward.
    Type: Application
    Filed: September 13, 2011
    Publication date: April 5, 2012
    Applicant: MARUYAMA MFG. CO., INC.
    Inventor: Takeo Miyamoto
  • Patent number: 5276073
    Abstract: A thermosetting resin composition useful for slot insulation purposes is disclosed, which includes:a liquid epoxy resin;a curing agent including an acid anhydride;a maleimide resin in an amount of 3-50 parts by weight per 100 parts by weight of the liquid epoxy resin; andfinely divided wollastonite in an amount of 50-400 parts by weight per 100 parts by weight of the liquid epoxy resin.
    Type: Grant
    Filed: August 6, 1992
    Date of Patent: January 4, 1994
    Assignees: Somar Corporation, Hitachi, Ltd.
    Inventors: Ichiro Akutagawa, Kunimitsu Matsuzaki, Toshio Matsuo, Ryuichi Fujii, Satoru Umeki, Yoshimichi Ono, Takeo Miyamoto, Koki Ueta, Naoki Kamada