Patents by Inventor Hiroshi Kohama

Hiroshi Kohama 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: 8722576
    Abstract: A thermosensitive recording label is provided having a thermosensitive recording layer and a tackifier layer installed sequentially on a transparent film substrate. The thermosensitive recording label has excellent water and weather resistance.
    Type: Grant
    Filed: September 1, 2010
    Date of Patent: May 13, 2014
    Assignee: Nippon Paper Industries Co., Ltd.
    Inventors: Junichi Hayakawa, Hiroshi Kohama, Akihito Ogino, Yasuaki Matsumori
  • Publication number: 20120208698
    Abstract: The conventionally constructed thermosensitive recording labels prepared by installing a thermosensitive recording layer on one side of a support material and a tackifier layer on the other side were found to be clearly limited when meeting the demand for improved water and weather resistance. Therefore, the present invention provides a thermosensitive recording label having much better water and weather resistance than conventionally available one. The thermosensitive recording label having a thermosensitive recording layer and a tackifier layer on a transparent film substrate in this order has a superior water and weather resistance.
    Type: Application
    Filed: September 1, 2010
    Publication date: August 16, 2012
    Inventors: Junichi Hayakawa, Hiroshi Kohama, Akihito Ogino, Yasuaki Matsumori
  • Patent number: 8202821
    Abstract: Provided is a thermal recording material superior in color development sensitivity, and having good preservation properties such as in heat resistance, moisture resistance, water resistance and the like.
    Type: Grant
    Filed: September 26, 2007
    Date of Patent: June 19, 2012
    Assignees: Nippon Paper Industries Co., Ltd, API Corporation
    Inventors: Junpei Natsui, Hiroshi Kohama, Mamoru Suga, Yoshimune Aosaki
  • Patent number: 7749591
    Abstract: The present invention relates a laminated sheet having improved toner-fixing property and toner blocking resistance, that comprises a base material made of paper, one or more thermoplastic resin layer(s) provided on one side or both sides of said base material, a toner-fixing layer provided thereon, wherein two or more hydrophilic macromolecular substances each having a different glass transition temperature are used as binders and constitutes said toner-fixing layer, at least a hydrophilic macromolecular substance (A) having a glass transition temperature of 50° C. or above and a hydrophilic macromolecular substance (B) having a glass transition temperature of 50° C. or below are contained as said hydrophilic macromolecular substances therein.
    Type: Grant
    Filed: September 27, 2005
    Date of Patent: July 6, 2010
    Assignee: Nippon Paper Industries Co., Ltd.
    Inventors: Masaaki Fukunaga, Atsushi Suzuki, Tamijiro Kaneyuki, Kouichiro Hiroshige, Hiroshi Kohama
  • Publication number: 20090280980
    Abstract: Provided is a thermal recording material superior in color development sensitivity, and having good preservation properties such as in heat resistance, moisture resistance, water resistance and the like.
    Type: Application
    Filed: September 26, 2007
    Publication date: November 12, 2009
    Applicants: Nippon Paper Industries Co., Ltd., API Corporation
    Inventors: Junpei Natsui, Hiroshi Kohama, Mamoru Suga, Yoshimune Aosaki
  • Publication number: 20070292665
    Abstract: The present invention relates a laminated sheet having improved toner-fixing property and toner blocking resistance, that comprises a base material made of paper, one or more thermoplastic resin layer(s) provided on one side or both sides of said base material, a toner-fixing layer provided thereon, wherein two or more hydrophilic macromolecular substances each having a different glass transition temperature are used as binders and constitutes said toner-fixing layer, at least a hydrophilic macromolecular substance (A) having a glass transition temperature of 50° C. or above and a hydrophilic macromolecular substance (B) having a glass transition temperature of 50° C. or below are contained as said hydrophilic macromolecular substances therein.
    Type: Application
    Filed: September 27, 2005
    Publication date: December 20, 2007
    Applicant: NIPPON PAPER INDUSTRIES, CO., LTD.
    Inventors: Masaaki Fukunaga, Atsushi Suzuki, Tamijiro Kaneyuki, Kouichiro Hiroshige, Hiroshi Kohama