Patents by Inventor Keita Inoue

Keita Inoue 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).

  • Boiler tube protector and a method for attaching such protector to a boiler tube
    Patent number: 6136117
    Abstract: A method of attaching a boiler tube protectors having a cylindrical or semi-cylindrical shape around an outer peripheral face of a boiler tube with mortar, which boiler tube protectors, are a plurality of ceramic bodies closely arranged along their parting planes, wherein the parting planes includes means for restraining slippage of each of the ceramic bodies along the parting planes.
    Type: Grant
    Filed: April 22, 1999
    Date of Patent: October 24, 2000
    Assignee: NGK Insulators, Ltd. and Mitsubishi Heavy Industries, Ltd.
    Inventors: Toshio Shibata, Shigeo Ito, Kazuhiro Mizuno, Yasuhiro Terashima, Yuji Nakagawa, Keita Inoue, Norihiko Orita, Tetsuo Takahashi, Kazuo Yamamura
  • Water pipe protecting refractory structure
    Patent number: 6012401
    Abstract: A heat-resistant assembly to shield boiler tubes which does not entail a thick heat-resistant block. This structure would be interposed between the boiler tubes and the combustion gases. Such a structure would be distinguished by the fact that it comprises heat-resistant block 16, itself composed of curved portion 16a, whose inner surface at one point comes in contact with the aforesaid boiler tube 11, and connecting portions 16b, and the aforesaid boiler tube assembly 12. The interlocking attachment structure which interlockingly secures these two components together in such a way that the block can be mounted or removed comprises recess 17, 58 or 68 and tongue 18, 59 or 69.
    Type: Grant
    Filed: September 28, 1998
    Date of Patent: January 11, 2000
    Assignee: Mitsubishi Heavy Industries, Ltd.
    Inventors: Norihiko Orita, Yuji Nakagawa, Takeo Takaishi, Tetsuo Takahashi, Chuhachi Goto, Yuzo Kawahara, Minoru Ike, Yasuhiro Terashima, Keita Inoue
  • Sizing agents for carbon fibers
    Patent number: 4904818
    Abstract: Sizing agents characterized as containing bisphenolpolyalkylene glycol etherester copolymer of a specified structure are particularly suited for coating carbon fibers for unsaturated polyester matrix resinous composites.
    Type: Grant
    Filed: September 30, 1988
    Date of Patent: February 27, 1990
    Assignee: Takemoto Yushi Kabushiki Kaisha
    Inventors: Hiroshi Minami, Keita Inoue