Patents by Inventor Gaku Hamada

Gaku Hamada 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: 9216946
    Abstract: [Problem] It is to provide a method of producing basic amino acid or basic amino acid salt suitable for each use for medicine, industrial use, feed, food additive and the like, by a simple method to remove HCl from HCl salt of basic amino acid efficiently. [Solving Means] The above problem is solved by a method of producing a basic amino acid or a basic amino acid salt which comprises allowing to coexist a weak acid in a basic amino acid HCl salt solution, when the solution is dechlorinated using an anion-exchange resin.
    Type: Grant
    Filed: July 24, 2013
    Date of Patent: December 22, 2015
    Assignee: AJINOMOTO CO., INC.
    Inventors: Yuta Oguchi, Gaku Hamada, Kazuhiro Hasegawa
  • Publication number: 20150183725
    Abstract: [Problem] It is to provide a method of producing basic amino acid or basic amino acid salt suitable for each use for medicine, industrial use, feed, food additive and the like, by a simple method to remove HCl from HCl salt of basic amino acid efficiently. [Solving Means] The above problem is solved by a method of producing a basic amino acid or a basic amino acid salt which comprises allowing to coexist a weak acid in a basic amino acid HCl salt solution, when the solution is dechlorinated using an anion-exchange resin.
    Type: Application
    Filed: July 24, 2013
    Publication date: July 2, 2015
    Applicant: AJINOMOTO CO., INC.
    Inventors: Yuta Oguchi, Gaku Hamada, Kazuhiro Hasegawa