Patents by Inventor Kaoru Takagi

Kaoru Takagi 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: 9679668
    Abstract: A spent fuel storage rack that accommodates and stores spent fuels in a large number of cells formed in a grid pattern includes a flat rectangular plate-shaped base forming the bottom of the rack, columnar members extending upward from the four corners of the base, and at least a pair of upper and lower grid-shaped frame plates disposed above the base and fixed to and supported by the columnar members. Each of the cells is formed by assembling metal plates to which boron is added to a density greater than 1% into a polygonal tube, and the cells are arranged contiguously at fixed intervals in the grid-shaped frame plates.
    Type: Grant
    Filed: April 5, 2010
    Date of Patent: June 13, 2017
    Assignee: KABUSHIKI KAISHA TOSHIBA
    Inventors: Toshimasa Mukai, Takao Sato, Hidenobu Hasegawa, Kaoru Takagi, Tetsuro Takeshita
  • Patent number: 8995603
    Abstract: A control rod/fuel support handling apparatus that is used in the case where a control rod and a fuel support are held, removed and lifted in a reactor and then are transported into the reactor in a periodical inspection of a BWR and in the case where the control rod and the fuel support are attached and mounted again into the reactor, the control rod/fuel support handling apparatus including: a fuel support gripper that holds the fuel support with a support gripping member; a control rod gripper that includes a vertically movable and rotatable elevating/rotating unit, holds the control rod with a control rod gripping member, disconnects and connects the control rod and a control rod drive mechanism, and allows removal and attachment of the control rod; and a control panel that controls automatically controls the control rod gripper in response to the instructions from an operation pendant.
    Type: Grant
    Filed: December 18, 2009
    Date of Patent: March 31, 2015
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Tsutomu Tomatsu, Koichi Soma, Kaoru Takagi
  • Publication number: 20120082285
    Abstract: A spent fuel storage rack that accommodates and stores spent fuels in a large number of cells formed in a grid pattern includes a flat rectangular plate-shaped base forming the bottom of the rack, columnar members extending upward from the four corners of the base, and at least a pair of upper and lower grid-shaped frame plates disposed above the base and fixed to and supported by the columnar members. Each of the cells is formed by assembling metal plates to which boron is added to a density greater than 1% into a polygonal tube, and the cells are arranged contiguously at fixed intervals in the grid-shaped frame plates.
    Type: Application
    Filed: April 5, 2010
    Publication date: April 5, 2012
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Toshimasa Mukai, Takao Sato, Hidenobu Hasegawa, Kaoru Takagi, Tetsuro Takeshita
  • Publication number: 20110317797
    Abstract: A control rod/fuel support handling apparatus that is used in the case where a control rod and a fuel support are held, removed and lifted in a reactor and then are transported into the reactor in a periodical inspection of a BWR and in the case where the control rod and the fuel support are attached and mounted again into the reactor, the control rod/fuel support handling apparatus including: a fuel support gripper that holds the fuel support with a support gripping member; a control rod gripper that includes a vertically movable and rotatable elevating/rotating unit, holds the control rod with a control rod gripping member, disconnects and connects the control rod and a control rod drive mechanism, and allows removal and attachment of the control rod; and a control panel that controls automatically controls the control rod gripper in response to the instructions from an operation pendant.
    Type: Application
    Filed: December 18, 2009
    Publication date: December 29, 2011
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Tsutomu Tomatsu, Koichi Soma, Kaoru Takagi
  • Patent number: 6913822
    Abstract: The present invention concerns a cable erection technique using a plastically deformable coil comprising a metal wire formed in a spiral shape and synthetic resin coated on a surface of the metal wire, wherein said coil is inserted outside around a tensile line drawn between utility poles, the coil is elongated until its plastic deformation for forming a series of cable arrangement spaces inside the spiral, and a cable is extended, added or extracted through the cable arrangement space.
    Type: Grant
    Filed: November 18, 2002
    Date of Patent: July 5, 2005
    Assignees: Daimei Telecom Engineering Corp., Daimei Telecom Ltd., Misaku Densetsu Co., Ltd.
    Inventors: Takayuki Nimiya, Zenichi Komine, Akira Kuno, Norio Takemura, Katsunori Misaku, Kazue Misaku, Kaoru Takagi, Makiko Barker
  • Publication number: 20030066991
    Abstract: The present invention concerns a cable erection technique using a plastically deformable coil comprising a metal wire formed in a spiral shape and synthetic resin coated on a surface of the metal wire, wherein said coil is inserted outside around a tensile line drawn between utility poles, the coil is elongated until its plastic deformation for forming a series of cable arrangement spaces inside the spiral, and a cable is extended, added or extracted through the cable arrangement space.
    Type: Application
    Filed: November 18, 2002
    Publication date: April 10, 2003
    Inventors: Takayuki Nimiya, Zenichi Komine, Akira Kuno, Norio Takemura, Katsunori Misaku, Kazue Misaku, Kaoru Takagi, Makiko Barker
  • Publication number: 20030020056
    Abstract: Disclosed is a method for building an overhead infrastructure capable of minimizing loads to utility poles, increasing suspension spaces on the utility poles, decreasing costs for constructing the overhead infrastructure, and improving an appearance and maintenance workability thereof. The method comprises a step of drawing a tensile line between utility poles, a step of putting around the tensile line a plastically deformable coil having a metal wire formed in a spiral shape and synthetic resin coated on a surface of the metal wire, a step of elongating the coil until its plastic deformation so as to form a basic construction with a series of overhead cableway capable of holding a plurality of overhead lines inside the spiral of the coil, and a step of extending an overhead line in an empty space of the overhead cableway on demand.
    Type: Application
    Filed: November 7, 2001
    Publication date: January 30, 2003
    Applicant: Daimei Telecom Engineering Corp.
    Inventors: Takayuki Nimiya, Zenichi Komine, Akira Kuno, Norio Takemura, Katsunori Misaku, Kazue Misaku, Kaoru Takagi, Makiko Barker
  • Patent number: 6505818
    Abstract: The present invention concerns a cable erection technique using a plastically deformable coil comprising a metal wire formed in a spiral shape and synthetic resin coated on a surface of the metal wire, wherein said coil is inserted outside around a tensile line drawn between utility poles, the coil is elongated until its plastic deformation for forming a series of cable arrangement spaces inside the spiral, and a cable is extended, added or extracted through the cable arrangement space.
    Type: Grant
    Filed: August 18, 2000
    Date of Patent: January 14, 2003
    Assignees: Daimei Telecom Engineering Corp., Daimei Telecom Ltd., Misaku Densetsu Co., Ltd.
    Inventors: Takayuki Nimiya, Zenichi Komine, Akira Kuno, Norio Takemura, Katsunori Misaku, Kazue Misaku, Kaoru Takagi, Makiko Barker