Patents by Inventor Kohta Isoyama

Kohta Isoyama 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).

  • Gas-barrier resin composition
    Patent number: 7723423
    Abstract: A resin composition includes a polymer (A) mainly containing a structural unit represented by following Formula (1): wherein m represents an integer of 2 to 10; X1 and X2 are each hydrogen atom, hydroxyl group or a functional group that can be converted into a hydroxyl group, wherein at least one of X1 and X2 is hydroxyl group or a functional group that can be converted into hydroxyl group; R1, R2 and R3 are each hydrogen atom, hydroxyl group, a functional group that can be converted into hydroxyl group, an alkyl group, an aryl group, an aralkyl group or a heteroaryl group, wherein the plural R1s may be the same as or different from each other; and a vinyl alcohol polymer (B).
    Type: Grant
    Filed: July 18, 2006
    Date of Patent: May 25, 2010
    Assignees: Cryovac, Inc., Kuraray Co., Ltd.
    Inventors: Kikuo Arimoto, Keisuke Morikawa, Nobuhiro Moriguchi, Kohta Isoyama, Arthur Leroy Berrier
  • Gas-barrier resin composition
    Publication number: 20070093599
    Abstract: A resin composition includes a polymer (A) mainly containing a structural unit represented by following Formula (1): wherein m represents an integer of 2 to 10; X1 and X2 are each hydrogen atom, hydroxyl group or a functional group that can be converted into a hydroxyl group, wherein at least one of X1 and X2 is hydroxyl group or a functional group that can be converted into hydroxyl group; R1, R2 and R3 are each hydrogen atom, hydroxyl group, a functional group that can be converted into hydroxyl group, an alkyl group, an aryl group, an aralkyl group or a heteroaryl group, wherein the plural R1s may be the same as or different from each other; and a vinyl alcohol polymer (B).
    Type: Application
    Filed: July 18, 2006
    Publication date: April 26, 2007
    Applicants: Cryovac, Inc., KURARAY CO. LTD,
    Inventors: Kikuo Arimoto, Keisuke Morikawa, Nobuhiro Moriguchi, Kohta Isoyama, Arthur Berrier
  • Gas-barrier resin composition
    Publication number: 20070021556
    Abstract: A resin composition includes a polymer (A) mainly containing a structural unit represented by following Formula (1): wherein m represents an integer of 2 to 10; X1 and X2 are each hydrogen atom, hydroxyl group or a functional group that can be converted into a hydroxyl group, wherein at least one of X1 and X2 is hydroxyl group or a functional group that can be converted into hydroxyl group; R1, R2 and R3 are each hydrogen atom, hydroxyl group, a functional group that can be converted into hydroxyl group, an alkyl group, an aryl group, an aralkyl group or a heteroaryl group, wherein the plural R1s may be the same as or different from each other; and a vinyl alcohol polymer (B).
    Type: Application
    Filed: July 19, 2005
    Publication date: January 25, 2007
    Applicants: KURARAY CO. LTD., Cryovac, Inc.
    Inventors: Kikuo Arimoto, Keisuke Morikawa, Nobuhiro Moriguchi, Kohta Isoyama, Arthur Berrier