Patents by Inventor Hiroharu Kawano

Hiroharu Kawano 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: 20050231500
    Abstract: An image output device includes an event monitoring unit that monitors a event of an output destination device, a power source unit that is not influenced by the events of the output destination device, and an image output unit that outputs images.
    Type: Application
    Filed: August 24, 2004
    Publication date: October 20, 2005
    Applicant: Fujitsu Limited
    Inventors: Yasuhiko Isobe, Yoji Hirosue, Hisashi Negishi, Takashi Kogure, Hiroharu Kawano
  • Patent number: 5756646
    Abstract: An agent for improving surface quality of paper comrising an acrylamide resin composition obtained by hydrolyzing an acrylamide resin which is obtained by polymerizing an acrylamide monomer in the presence of a urea compound, or copolymerizing an acrylamide monomer and an acrylonitrile monomer; an acrylamide monomer and a cross-linking agent; or an acrylamide monomer, an acrylnitrile monomer and a cross-linking agent in the presence of a urea compound. This agent provides paper with excellent surface strength, tensile strength and internal strength far better than conventional paper quality improving agents.
    Type: Grant
    Filed: March 15, 1996
    Date of Patent: May 26, 1998
    Assignee: Japan PMC Corporation
    Inventors: Kenji Nasu, Hiroharu Kawano, Satoshi Takizawa, Kiyoshi Iwai
  • Patent number: 5270355
    Abstract: A paper coated resin has been provided which simultaneousy provides coated papers with improved ink receptivity, water resistance and blister resistance in a good balance. The resin is obtainable by introducing alicyclic amino and/or alicyclic epoxy compounds into a polyalkylenepolyamine-urea-aldehyde(epihalohydrin) resin or by introducing alicyclic amino and/or alicyclic epoxy compounds into a polyalkylenepolyamine-urea-aldehyde(epihalohydrin) resin and/or an amine-epihalohydrin resin and reacting or mixing these resins.
    Type: Grant
    Filed: January 13, 1992
    Date of Patent: December 14, 1993
    Assignee: DIC-Hercules Chemicals, Inc.
    Inventors: Hiroharu Kawano, Satoshi Takizawa, Hiroki Owaki, Haruka Hirayama