Patents by Inventor Tatsumi Kawaguchi

Tatsumi Kawaguchi 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).

  • Publication number: 20150371923
    Abstract: Provided is a heat conductive sheet obtained by including a heat conductive filler in a cured organic resin, in which the heat conductive filler is made of multiple particles obtained by coating surfaces of plastic particles with a heat conductive material, and a coefficient of variation (CV) value of particle diameters of the particles, which is computed using Equation (1) described below, is equal to or less than 10%.
    Type: Application
    Filed: January 17, 2014
    Publication date: December 24, 2015
    Applicant: SUMITOMO BAKELITE CO., LTD.
    Inventors: Toshio Komiyatani, Shogo Nakano, Tatsumi Kawaguchi
  • Publication number: 20150247289
    Abstract: According to the present invention, there is provided a laminate (1A) including a substrate (2) and a layer (8) which is provided on the substrate (2) and contains a fiber filler (fiber piece) and a resin. The layer (8) is a paper-making sheet obtained by subjecting the fiber filler and the resin to paper-making.
    Type: Application
    Filed: September 2, 2013
    Publication date: September 3, 2015
    Applicant: SUMITOMO BAKELITE CO., LTD.
    Inventors: Tatsumi Kawaguchi, Yasutaka Kimura
  • Publication number: 20150239197
    Abstract: According to the present invention, there is provided an article including: a main body portion (10) that is formed of a material composition containing a fiber filler and a resin and obtained using a paper-making method; and a functional layer (20) that covers the main body portion (10).
    Type: Application
    Filed: September 2, 2013
    Publication date: August 27, 2015
    Applicant: SUMITOMO BAKELITE CO., LTD.
    Inventors: Takeshi Hosomi, Tatsumi Kawaguchi, Yasutaka Kimura
  • Publication number: 20130134608
    Abstract: A functional particle (100) contains an inorganic particle (101), a first layer (103) coating the inorganic particle (101), and a second layer (105) coating the first layer (103). Any one or two component(s) of a resin, a curing agent and a curing accelerator is (are) contained in the first layer (103), and the others are (is) contained in the second layer (105).
    Type: Application
    Filed: March 2, 2011
    Publication date: May 30, 2013
    Applicant: SUMITOMO BAKELITE CO., LTD.
    Inventors: Tadayoshi Ozasa, Tatsumi Kawaguchi, Shogo Nakano
  • Patent number: 6631861
    Abstract: In a rotor 1 provided with a cylinder 2 which can supply a molten and mixed resin composition to an upper portion of the rotor 1 from an opening portion and is formed by a magnetic material on an outer periphery thereof or is formed by a nonmagnetic material being contact with a magnetic material 3, the resin composition is granulated into powders or in a fiber shape by heating the magnetic material portion so as to pass the resin composition through small holes in the uniformly heated cylinder 2 due to a centrifugal force, and the granulated powders are transferred by an air feeding apparatus 12 having a rotary blade 11 mounted therein from a discharge port in a lower portion of an outer tank 8.
    Type: Grant
    Filed: February 22, 2002
    Date of Patent: October 14, 2003
    Assignee: Sumitomo Bakelite Company Limited
    Inventor: Tatsumi Kawaguchi