Patents by Inventor Mitsuo Koito

Mitsuo Koito 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: 10221435
    Abstract: This invention relates to DNA encoding a novel enzyme having activity of synthesizing D-serine from formaldehyde and glycine, recombinant DNA constructed by integrating such DNA into a vector, a transformant transformed with the recombinant DNA, and a method for producing D-serine from formaldehyde and glycine with the use of the enzyme.
    Type: Grant
    Filed: June 6, 2017
    Date of Patent: March 5, 2019
    Assignee: MITSUI CHEMICALS, INC.
    Inventors: Tadashi Araki, Tomonori Hidesaki, Seiichi Watanabe, Keita Nishida, Kiyoteru Nagahara, Mitsuo Koito
  • Publication number: 20170327853
    Abstract: This invention relates to DNA encoding a novel enzyme having activity of synthesizing D-serine from formaldehyde and glycine, recombinant DNA constructed by integrating such DNA into a vector, a transformant transformed with the recombinant DNA, and a method for producing D-serine from formaldehyde and glycine with the use of the enzyme.
    Type: Application
    Filed: June 6, 2017
    Publication date: November 16, 2017
    Applicant: Mitsui Chemicals, Inc.
    Inventors: Tadashi ARAKI, Tomonori HIDESAKI, Seiichi WATANABE, Keita NISHIDA, Kiyoteru NAGAHARA, Mitsuo KOITO
  • Patent number: 9695452
    Abstract: This invention relates to DNA encoding a novel enzyme having activity of synthesizing D-serine from formaldehyde and glycine, recombinant DNA constructed by integrating such DNA into a vector, a transformant transformed with the recombinant DNA, and a method for producing D-serine from formaldehyde and glycine with the use of the enzyme.
    Type: Grant
    Filed: October 30, 2015
    Date of Patent: July 4, 2017
    Assignee: MITSUI CHEMICALS, INC.
    Inventors: Tadashi Araki, Tomonori Hidesaki, Seiichi Watanabe, Keita Nishida, Kiyoteru Nagahara, Mitsuo Koito
  • Publication number: 20160046970
    Abstract: This invention relates to DNA encoding a novel enzyme having activity of synthesizing D-serine from formaldehyde and glycine, recombinant DNA constructed by integrating such DNA into a vector, a transformant transformed with the recombinant DNA, and a method for producing D-serine from formaldehyde and glycine with the use of the enzyme.
    Type: Application
    Filed: October 30, 2015
    Publication date: February 18, 2016
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Tadashi ARAKI, Tomonori HIDESAKI, Seiichi WATANABE, Keita NISHIDA, Kiyoteru NAGAHARA, Mitsuo KOITO
  • Patent number: 9212376
    Abstract: This invention relates to DNA encoding a novel enzyme having activity of synthesizing D-serine from formaldehyde and glycine, recombinant DNA constructed by integrating such DNA into a vector, a transformant transformed with the recombinant DNA, and a method for producing D-serine from formaldehyde and glycine with the use of the enzyme.
    Type: Grant
    Filed: February 24, 2011
    Date of Patent: December 15, 2015
    Assignee: MITSUI CHEMICALS, INC.
    Inventors: Tadashi Araki, Tomonori Hidesaki, Seiichi Watanabe, Keita Nishida, Kiyoteru Nagahara, Mitsuo Koito
  • Publication number: 20120077233
    Abstract: This invention relates to DNA encoding a novel enzyme having activity of synthesizing D-serine from formaldehyde and glycine, recombinant DNA constructed by integrating such DNA into a vector, a transformant transformed with the recombinant DNA, and a method for producing D-serine from formaldehyde and glycine with the use of the enzyme.
    Type: Application
    Filed: February 24, 2011
    Publication date: March 29, 2012
    Applicant: Mitsui Chemicals, Inc.
    Inventors: Tadashi Araki, Tomonori Hidesaki, Seiichi Watanabe, Keita Nishida, Kiyoteru Nagahara, Mitsuo Koito
  • Patent number: 7919285
    Abstract: This invention relates to DNA encoding an enzyme having activity of synthesizing D-serine from formaldehyde and glycine, recombinant DNA constructed by integrating such DNA into a vector, a transformant transformed with the recombinant DNA, and a method for producing D-serine from formaldehyde and glycine with the use of the enzyme.
    Type: Grant
    Filed: October 7, 2005
    Date of Patent: April 5, 2011
    Assignee: Mitsui Chemicals, Inc.
    Inventors: Tadashi Araki, Tomonori Hidesaki, Seiichi Watanabe, Keita Nishida, Kiyoteru Nagahara, Mitsuo Koito
  • Publication number: 20080293098
    Abstract: This invention relates to DNA encoding a novel enzyme having activity of synthesizing D-serine from formaldehyde and glycine, recombinant DNA constructed by integrating such DNA into a vector, a transformant transformed with the recombinant DNA, and a method for producing D-serine from formaldehyde and glycine with the use of the enzyme.
    Type: Application
    Filed: October 7, 2005
    Publication date: November 27, 2008
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Tadashi Araki, Tomonori Hidesaki, Seiichi Watanabe, Keita Nishida, Kiyoteru Nagahara, Mitsuo Koito
  • Publication number: 20050143581
    Abstract: An alkoxybenzamide represented by the general formula (3): (wherein R1, R2, R3, R4, and R5 independently indicate a hydrogen atom, an alkyl group having one to six carbon atoms, or an alkoxy group having one to six carbon atoms; if R3 indicates a hydrogen atom or an alkyl group having one to six carbon atoms, R1 indicates an alkoxy group having one to six carbon atoms and R4 indicates an alkyl or alkoxy group having one to six carbon atoms; two adjacent substituents may be coupled with a cross-linking group to form a ring; R6 indicates a heteroaromatic ring; and A indicates an oxygen atom or a sulfur atom) is produced by reacting an alkoxybenzene represented by the general formula (1): (wherein R1, R2, R3, R4, and R5 are defined above) with an isocyanate represented by the general formula (2): (wherein R6 and A are defined above; and n indicates 1 or 2) in the presence of a Lewis acid.
    Type: Application
    Filed: March 18, 2003
    Publication date: June 30, 2005
    Applicant: Mitsui Chemicals, Inc.
    Inventors: Hirokazu Awano, Mitsuo Koito, Masahiko Kusumoto
  • Patent number: 6333427
    Abstract: A purified N-t-butoxycarbonylphenylalanine ester preparation having an enhanced optical activity can be obtained by bringing an N-t-butoxycarbonylphenylalanine ester preparation containing an optically active compound into contact with an aliphatic hydrocarbon, extracting the optically active compound with the aliphatic hydrocarbon, and recovering the optically active compound from the resulting extract.
    Type: Grant
    Filed: February 22, 2000
    Date of Patent: December 25, 2001
    Assignee: Mitsui Chemicals, Inc.
    Inventors: Hitoki Miyake, Masami Osabe, Mitsuo Koito, Setsuo Yoshino, Nobuhiro Fukuhara