Patents by Inventor Hirokazu Kihou

Hirokazu Kihou 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).

  • HIGH THERMAL CONDUCTIVE BOEHMITE AND METHOD FOR MANUFACTURING SAME
    Publication number: 20150299551
    Abstract: Provided are high thermal conductive boehmite, which has the characteristics of boehmite such as flame retardancy and high filling and yet has an improved thermal conductivity, and a method for manufacturing the high thermal conductive boehmite. The high thermal conductive boehmite is characterized by having thermal conductivity calculated in accordance with the following Mathematical Formula 1 of 11.
    Type: Application
    Filed: April 30, 2013
    Publication date: October 22, 2015
    Inventors: Yasuhiro Ota, Masashi Mizutani, Kenji Kido, Tokio Kawai, Hirokazu Kihou
  • Heat-resistant aluminum hydroxide and method for preparation thereof
    Patent number: 8138255
    Abstract: A heat-resistant aluminum hydroxide which is prepared by subjecting a mixture of aluminum hydroxide with a reaction retardant for retarding the conversion aluminum hydroxide to boehmite, as a raw material, to the hydrothermal treatment or to pressurization and heating in a steam atmosphere; and a method for preparing a heat-resistant aluminum hydroxide which comprises subjecting a mixture of aluminum hydroxide with a reaction retardant for retarding the conversion aluminum hydroxide to boehmite as a raw material to the hydrothermal treatment, or to pressurization and heating in a steam atmosphere.
    Type: Grant
    Filed: March 5, 2004
    Date of Patent: March 20, 2012
    Assignee: Kawai-Lime Ind. Co. Ltd.
    Inventors: Hirofumi Mitsunaka, Kenji Kido, Hirokazu Kihou
  • Heat-resistant aluminum hydroxide and method for preparation thereof
    Publication number: 20060216226
    Abstract: A heat-resistant aluminum hydroxide which is prepared by subjecting a mixture of aluminum hydroxide with a reaction retardant for retarding the conversion aluminum hydroxide to boehmite, as a raw material, to the hydrothermal treatment or to pressurization and heating in a steam atmosphere; and a method for preparing a heat-resistant aluminum hydroxide which comprises subjecting a mixture of aluminum hydroxide with a reaction retardant for retarding the conversion aluminum hydroxide to boehmite as a raw material to the hydrothermal treatment, or to pressurization and heating in a steam atmosphere.
    Type: Application
    Filed: September 23, 2004
    Publication date: September 28, 2006
    Applicant: Kawai-Lime Ind. Co., Ltd.
    Inventors: Hirofumi Mitsunaka, Kenji Kido, Hirokazu Kihou