Patents by Inventor Hitoshi Ishiguro

Hitoshi Ishiguro 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).

  • Method for inactivating a virus
    Patent number: 9572347
    Abstract: An agent for virus inactivation capable of exhibiting inactivation action based on structural destruction such as degradation and decomposition against viruses, which comprises a monovalent copper compound such as cuprous oxide, cuprous sulfide, cuprous iodide, and cuprous chloride as an active ingredient, and a virus inactivation material, which contains the agent for virus inactivation on a surface of a substrate and/or inside of the substrate.
    Type: Grant
    Filed: December 22, 2010
    Date of Patent: February 21, 2017
    Assignees: THE UNIVERSITY OF TOKYO, KANAGAWA ACADEMY OF SCIENCE AND TECHNOLOGY
    Inventors: Kazuhito Hashimoto, Kayano Sunada, Masahiro Miyauchi, Xiaoqing Qiu, Yoshinobu Kubota, Hitoshi Ishiguro, Ryuichi Nakano, Jitsuo Kajioka, Yanyan Yao
  • AGENT FOR VIRUS INACTIVATION
    Publication number: 20130344124
    Abstract: An agent for virus inactivation capable of exhibiting inactivation action based on structural destruction such as degradation and decomposition against viruses, which comprises a monovalent copper compound such as cuprous oxide, cuprous sulfide, cuprous iodide, and cuprous chloride as an active ingredient, and a virus inactivation material, which contains the agent for virus inactivation on a surface of a substrate and/or inside of the substrate.
    Type: Application
    Filed: December 22, 2010
    Publication date: December 26, 2013
    Applicants: KANAGAWA ACADEMY OF SCIENCE AND TECHNOLOGY, THE UNIVERSITY OF TOKYO
    Inventors: Kazuhito Hashimoto, Kayano Sunada, Masahiro Miyauchi, Xiaoqing Qiu, Yoshinobu Kubota, Hitoshi Ishiguro, Ryuichi Nakano, Jitsuo Kajioka, Yanyan Yao
  • METHOD FOR INACTIVATING VIRUS AND ARTICLE PROVIDED WITH ANTIVIRAL PROPERTIES
    Publication number: 20120201714
    Abstract: To provide a method for inactivating a virus which is in contact with a photocatalyst material, the method including irradiating the photocatalyst material with light from a light source, and an article provided with an anti-viral property, the article containing a visible-light-responsive photocatalyst material deposited on the surface thereof.
    Type: Application
    Filed: October 19, 2010
    Publication date: August 9, 2012
    Applicant: The University of Tokyo
    Inventors: Kazuhito Hashimoto, Kayano Sunada, Yoshinobu Kubota, Hitoshi Ishiguro, Ryuichi Nakano, Jitsuo Kajioka, Yanyan Yao, Yasushi Kuroda, Yasuhiro Hosogi
  • Television conference system
    Patent number: 5206721
    Abstract: A television conference system having at least one of the functions of automatically directing a camera toward a speaker, of transmitting video signals of picture images from a plurality of television cameras, and of displaying a document image.
    Type: Grant
    Filed: March 8, 1990
    Date of Patent: April 27, 1993
    Assignee: Fujitsu Limited
    Inventors: Youichi Ashida, Ryusaku Imai, Yuji Yoshida, Toshihiro Homma, Hitoshi Sato, Hitoshi Ishiguro, Hiroaki Natori, Masakazu Yamaguchi
  • Multi-point conference system
    Patent number: 5003532
    Abstract: A multi-point conference system for making a video conference includes a center unit having a controller and an image selector, and three or more stations respectively coupled to the center unit, where each station includes at least one camera for picking up an image to output an image data, a display for displaying an image based on an image data and a request part for making a request. The controller initially sets master, sub and participating stations in conformance with a predetermined rule. The image selector automatically supplies the image data from the master station to the sub and participating stations to be displayed on the display thereof and supplies the image data from the sub station to the master station to be displayed on the display thereof.
    Type: Grant
    Filed: May 31, 1990
    Date of Patent: March 26, 1991
    Assignee: Fujitsu Limited
    Inventors: Youichi Ashida, Yuji Yoshida, Hitoshi Ishiguro, Hitoshi Sato, Hiroaki Natori