Patents by Inventor Nariyoshi Koga

Nariyoshi Koga 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: 9855201
    Abstract: Provided is a volatile oil for cosmetics, which has excellent volatility, hair care properties and skin care properties. The volatile oil for cosmetics according to the present invention comprises a paraffin mixture, wherein the paraffin mixture contains an isoparaffin having 12 to 16 carbon atoms, has a boiling point ranging from 185 to 215° C. and has a 2,2,4,6,6-pentamethylheptane content of less than 10 mass %. The volatile oil for cosmetics according to the present invention can be used for, for example, a hair cosmetic and an external preparation for the skin.
    Type: Grant
    Filed: June 18, 2013
    Date of Patent: January 2, 2018
    Assignee: NOF Corporation
    Inventors: Nariyoshi Koga, Tohru Nishikawa
  • Patent number: 9745231
    Abstract: The present invention provides a paraffin mixture that is suitable for use as cosmetics and cleansing oil for skin and hair and has excellent volatility. The paraffin mixture according to the present invention is a mixture that contains isoparaffin having a carbon number of 12 to 16, and the mixture has a boiling point range of 185° C. to 215° C. and has the content of 2,2,4,6,6-pentamethylheptane at less than 10 mass %.
    Type: Grant
    Filed: January 11, 2013
    Date of Patent: August 29, 2017
    Assignee: NOF CORPORATION
    Inventors: Nariyoshi Koga, Tohru Nishikawa
  • Publication number: 20150150765
    Abstract: Provided is a volatile oil for cosmetics, which has excellent volatility, hair care properties and skin care properties. The volatile oil for cosmetics according to the present invention comprises a paraffin mixture, wherein the paraffin mixture contains an isoparaffin having 12 to 16 carbon atoms, has a boiling point ranging from 185 to 215° C. and has a 2,2,4,6,6-pentamethylheptane content of less than 10 mass %. The volatile oil for cosmetics according to the present invention can be used for, for example, a hair cosmetic and an external preparation for the skin.
    Type: Application
    Filed: June 18, 2013
    Publication date: June 4, 2015
    Inventors: Nariyoshi Koga, Tohru Nishikawa
  • Publication number: 20150005550
    Abstract: The present invention provides a paraffin mixture that is suitable for use as cosmetics and cleansing oil for skin and hair and has excellent volatility. The paraffin mixture according to the present invention is a mixture that contains isoparaffin having a carbon number of 12 to 16, and the mixture has a boiling point range of 185° C. to 215° C. and has the content of 2,2,4,6,6-pentamethylheptane at less than 10 mass %.
    Type: Application
    Filed: January 11, 2013
    Publication date: January 1, 2015
    Inventors: Nariyoshi Koga, Tohru Nishikawa
  • Patent number: 5216047
    Abstract: An unsaturated polyester resin composition contains an unsaturated polyester, a vinyl monomer copolymerizable with the unsaturated polyester, a maleimide compound and a hindered phenolic compound and/or carbon black.
    Type: Grant
    Filed: October 25, 1990
    Date of Patent: June 1, 1993
    Assignee: Nippon Oil and Fats Co. Ltd.
    Inventors: Kenji Kato, Nariyoshi Koga, Yoshitaka Ikeda
  • Patent number: 5023339
    Abstract: A maleimide compound of high stability contains 5 to 70 wt. % of a maleimide compound represented by the formula of ##STR1## wherein R.sub.1 and R.sub.2 each stand for a hydrogen atom, a halogen atom or a methyl group, R.sub.3 stands for a straight-chained or branched alkyl group having 1 to 18 carbon atoms, a halogen-substituted straight-chained alkyl group having 1 to 18 carbon atom, a cycloalkyl group having 3 to 12 carbon atoms or an aryl or aralkyl group having 6 to 18 carbon atoms, 0.1 to 20 wt. % of a surfactant, 0.1 to 10 wt. % of a protective colloid and the balance of water.
    Type: Grant
    Filed: December 5, 1989
    Date of Patent: June 11, 1991
    Assignee: Nippon Oil and Fats Co., Ltd.
    Inventors: Kenji Kato, Nariyoshi Koga, Yukinori Haruta