Patents by Inventor Seisaku Furuya

Seisaku Furuya 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).

  • Method of manufacturing succinic acid and ammonium succinate solutions
    Patent number: 8034975
    Abstract: The present invention provides a method of manufacturing a highly pure ammonium succinate solution including the steps of (A) producing calcium succinate trihydrate by crystallization fermentation of a microorganism; (B) converting calcium succinate trihydrate to calcium succinate monohydrate by transition crystallization; (C) separating the calcium succinate monohydrate crystals; (D) substituting the calcium salt in the calcium succinate monohydrate with ammonium salt resulting in an ammonium succinate solution; and (E) removing the solid calcium carbonate from the ammonium succinate solution.
    Type: Grant
    Filed: November 18, 2009
    Date of Patent: October 11, 2011
    Assignee: Ajinomoto Co., Inc.
    Inventors: Kiyohiko Nishi, Hiroshi Kaneko, Hirofumi Tasaki, Masaki Koga, Tetsuo Tanegawa, Seisaku Furuya, Kenji Fujiwara, Takeru Sato
  • METHOD OF MANUFACTURING SUCCINIC ACID AND AMMONIUM SUCCINATE SOLUTIONS
    Publication number: 20100094051
    Abstract: The present invention provides a method of manufacturing a highly pure ammonium succinate solution including the steps of (A) producing calcium succinate trihydrate by crystallization fermentation of a microorganism; (B) converting calcium succinate trihydrate to calcium succinate monohydrate by transition crystallization; (C) separating the calcium succinate monohydrate crystals; (D) substituting the calcium salt in the calcium succinate monohydrate with ammonium salt resulting in an ammonium succinate solution; and (E) removing the solid calcium carbonate from the ammonium succinate solution.
    Type: Application
    Filed: November 18, 2009
    Publication date: April 15, 2010
    Inventors: Kiyohiko Nishi, Hiroshi Kaneko, Hirofumi Tasaki, Masaki Koga, Tetsuo Tanegawa, Seisaku Furuya, Kenji Fujiwara, Takeru Sato