Patents by Inventor Kentaro Kumihashi

Kentaro Kumihashi 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: 9918930
    Abstract: The present invention provides a processed plant product having an excellent TRPM8 activating action, a method for producing the same, and a cooling agent and a TRPM8 activator comprising the processed plant product. A method for producing a processed nutmeg product, comprising a step of simultaneously treating nutmeg or an extract thereof with an alcohol or a 25% (v/v) or more alcohol aqueous solution and one or more selected from a protonic acid and an H-type cation exchange resin.
    Type: Grant
    Filed: July 11, 2013
    Date of Patent: March 20, 2018
    Assignee: KAO CORPORATION
    Inventors: Tomohiro Shirai, Kentaro Kumihashi, Mitsuyoshi Sakasai, Hiroshi Kusuoku, Hiroshi Hashimoto
  • Patent number: 9856196
    Abstract: Provision of a TRPA1 activity inhibitor capable of reducing sensory irritation to skin or mucous membrane and an agent for reduction of sensory irritation for skin or mucous membrane. A TRPA1 inhibitor and an agent for reduction of sensory irritation for skin or mucous membrane comprising as an active ingredient a compound represented by the following formula (1) wherein R1 and R3 each independently represent a hydrogen atom or an alkyl group having 1 to 3 carbon atoms, R2 represents an alkyl group having 1 to 6 carbon atoms, R4 represents a hydrogen atom, a methyl group or an ethyl group, and a double line composed of a dotted line and a solid line represents a single bond or a double bond.
    Type: Grant
    Filed: January 4, 2013
    Date of Patent: January 2, 2018
    Assignee: Kao Corporation
    Inventors: Kazuki Kinoshita, Tomohiro Shirai, Kentaro Kumihashi, Hirohisa Fujihara, Nanae Mugita
  • Patent number: 9340478
    Abstract: Provided are a cooling agent having an excellent TRPM8 activating action, a TRPM8 activator, a method for imparting cooling sensation, and a novel compound useful for imparting cooling sensation.
    Type: Grant
    Filed: November 19, 2012
    Date of Patent: May 17, 2016
    Assignee: Kao Corporation
    Inventors: Tomohiro Shirai, Hiroshi Kusuoku, Mitsuyoshi Sakasai, Kentaro Kumihashi
  • Patent number: 9012153
    Abstract: To provide a method for objectively evaluating or screening to identify a substance which is capable of suppressing or regulating olfaction. A method of evaluating or screening to identify an agent for suppressing olfactory sensitivity, including adding a test substance to a substrate having a voltage-dependent cation channel and evaluating or selecting a substance that inhibits an electrical activity caused by the cation channel.
    Type: Grant
    Filed: April 10, 2009
    Date of Patent: April 21, 2015
    Assignee: Kao Corporation
    Inventors: Kentaro Kumihashi, Hirohiko Ishida, Takashi Kurahashi
  • Publication number: 20150071865
    Abstract: The present invention provides a processed plant product having an excellent TRPM8 activating action, a method for producing the same, and a cooling agent and a TRPM8 activator comprising the processed plant product. A method for producing a processed nutmeg product, comprising a step of simultaneously treating nutmeg or an extract thereof with an alcohol or a 25% (v/v) or more alcohol aqueous solution and one or more selected from a protonic acid and an H-type cation exchange resin.
    Type: Application
    Filed: July 11, 2013
    Publication date: March 12, 2015
    Applicant: KAO CORPORATION
    Inventors: Tomohiro Shirai, Kentaro Kumihashi, Mitsuyoshi Sakasai, Hiroshi Kusuoku, Hiroshi Hashimoto
  • Publication number: 20140323586
    Abstract: Provision of a TRPA1 activity inhibitor capable of reducing sensory irritation to skin or mucous membrane and an agent for reduction of sensory irritation for skin or mucous membrane. A TRPA1 inhibitor and an agent for reduction of sensory irritation for skin or mucous membrane comprising as an active ingredient a compound represented by the following formula (1) wherein R1 and R3 each independently represent a hydrogen atom or an alkyl group having 1 to 3 carbon atoms, R2 represents an alkyl group having 1 to 6 carbon atoms, R4 represents a hydrogen atom, a methyl group or an ethyl group, and a double line composed of a dotted line and a solid line represents a single bond or a double bond.
    Type: Application
    Filed: January 4, 2013
    Publication date: October 30, 2014
    Applicant: Kao Corporation
    Inventors: Kazuki Kinoshita, Tomohiro Shirai, Kentaro Kumihashi, Hirohisa Fujihara, Nanae Mugita
  • Patent number: 8481016
    Abstract: An excellent potential-dependent cation channel inhibitor or an excellent masking agent is provided.
    Type: Grant
    Filed: April 26, 2011
    Date of Patent: July 9, 2013
    Assignee: Kao Corporation
    Inventors: Hiroko Takatoku, Kentaro Kumihashi, Daisuke Yamazaki
  • Publication number: 20130045177
    Abstract: An excellent potential-dependent cation channel inhibitor or an excellent masking agent is provided.
    Type: Application
    Filed: April 26, 2011
    Publication date: February 21, 2013
    Inventors: Hiroko Takatoku, Kentaro Kumihashi, Daisuke Yamazaki
  • Publication number: 20110050246
    Abstract: To provide a method for objectively evaluating or screening to identify a substance which is capable of suppressing or regulating olfaction. A method of evaluating or screening to identify an agent for suppressing olfactory sensitivity, including adding a test substance to a substrate having a voltage-dependent cation channel and evaluating or selecting a substance that inhibits an electrical activity caused by the cation channel.
    Type: Application
    Filed: April 10, 2009
    Publication date: March 3, 2011
    Applicant: Kao Corporation
    Inventors: Kentaro Kumihashi, Hirohiko Ishida, Takashi Kurahashi