Patents by Inventor Junichi EDAHIRO

Junichi EDAHIRO 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).

  • Crystals of pyrroloquinolinequinone sodium salts
    Patent number: 9321770
    Abstract: A crystal of pyrroloquinoline quinone disodium salt having peaks at 2? of 9.1°, 10.3°, 13.8°, 17.7°, 18.3°, 24.0°, 27.4°, 31.2° and 39.5° (±0.2° for each) in powder X-ray diffractometry using Cu K? radiation, or a crystal of pyrroloquinoline quinone trisodium salt having peaks at 2? of 6.6°, 11.4°, 13.0°, 22.6°, 26.9°, 27.9°, 37.0°, 38.9° and 43.4° (±0.2° for each) in powder X-ray diffractometry using Cu K? radiation.
    Type: Grant
    Filed: August 17, 2015
    Date of Patent: April 26, 2016
    Assignee: MITSUBISHI GAS CHEMICAL COMPANY, INC.
    Inventors: Junichi Edahiro, Hitoshi Sakamoto, Kazuto Ikemoto, Hajime Shimizu, Tatsuya Hasegawa, Masahiko Nakano
  • CRYSTALS OF PYRROLOQUINOLINEQUINONE SODIUM SALTS
    Publication number: 20160039816
    Abstract: A crystal of pyrroloquinoline quinone disodium salt having peaks at 2? of 9.1°, 10.3°, 13.8°, 17.7°, 18.3°, 24.0°, 27.4°, 31.2° and 39.5° (±0.2° for each) in powder X-ray diffractometry using Cu K? radiation, or a crystal of pyrroloquinoline quinone trisodium salt having peaks at 2? of 6.6°, 11.4°, 13.0°, 22.6°, 26.9°, 27.9°, 37.0°, 38.9° and 43.4° (±0.2° for each) in powder X-ray diffractometry using Cu K? radiation.
    Type: Application
    Filed: August 17, 2015
    Publication date: February 11, 2016
    Applicant: MITSUBISHI GAS CHEMICAL COMPANY, INC.
    Inventors: Junichi EDAHIRO, Hitoshi SAKAMOTO, Kazuto IKEMOTO, Hajime SHIMIZU, Tatsuya HASEGAWA, Masahiko NAKANO
  • Method for producing polyester resin
    Patent number: 9206286
    Abstract: The present invention provides a method for producing a polyester resin comprising dicarboxylic acid units and diol units, wherein at least a portion of the diol units is a diol unit having a cyclic acetal skeleton, the method comprising specific steps (1) to (4-2).
    Type: Grant
    Filed: May 30, 2013
    Date of Patent: December 8, 2015
    Assignee: MITSUBISHI GAS CHEMICAL COMPANY, INC.
    Inventors: Tatsuya Yamauchi, Junichi Edahiro, Yasuhiro Kushida, Takami Morishita
  • Crystals of pyrroloquinolinequinone sodium salts
    Patent number: 9163014
    Abstract: A crystal of pyrroloquinoline quinone disodium salt having peaks at 2? of 9.1°, 10.3°, 13.8°, 17.7°, 18.3°, 24.0°, 27.4°, 31.2° and 39.5° (±0.2° for each) in powder X-ray diffractometry using Cu K? radiation, or a crystal of pyrroloquinoline quinone trisodium salt having peaks at 2? of 6.6°, 11.4°, 13.0°, 22.6°, 26.9°, 27.9°, 37.0°, 38.9° and 43.4° (±0.2° for each) in powder X-ray diffractometry using Cu K? radiation.
    Type: Grant
    Filed: June 9, 2010
    Date of Patent: October 20, 2015
    Assignee: MITSUBISHI GAS CHEMICAL COMPANY, INC.
    Inventors: Junichi Edahiro, Hitoshi Sakamoto, Kazuto Ikemoto, Hajime Shimizu, Tatsuya Hasegawa
  • METHOD FOR PRODUCING POLYESTER RESIN
    Publication number: 20150141614
    Abstract: The present invention provides a method for producing a polyester resin comprising dicarboxylic acid units and diol units, wherein at least a portion of the diol units is a diol unit having a cyclic acetal skeleton, the method comprising specific steps (1) to (4-2).
    Type: Application
    Filed: May 30, 2013
    Publication date: May 21, 2015
    Applicant: MITSUBISHI GAS CHEMICAL COMPANY, INC.
    Inventors: Tatsuya Yamauchi, Junichi Edahiro, Yasuhiro Kushida, Takami Morishita
  • PRODUCTION METHOD OF REDUCED PYRROLOQUINOLINE QUINONE
    Publication number: 20120323009
    Abstract: An object of the present invention is to provide a method for conveniently producing reduced pyrroloquinoline quinone from oxidized pyrroloquinoline quinone without needing expensive equipment, and a method for stabilizing reduced pyrroloquinoline quinone. According to the present invention, high-quality reduced pyrroloquinoline quinone can be obtained conveniently and efficiently in a manner suitable for industrial-scale production by mixing pyrroloquinoline quinone and ascorbic acid in a solvent.
    Type: Application
    Filed: February 16, 2011
    Publication date: December 20, 2012
    Applicant: MITSUBISHI GAS CHEMICAL COMPANY, INC.
    Inventors: Kazuto Ikemoto, Masahiko Nakano, Junichi Edahiro
  • PYRROLOQUINOLINE QUINONE IN FREE FORM
    Publication number: 20120226045
    Abstract: An object of the present invention is to provide a method for conveniently producing pyrroloquinoline quinone in the free form without any organic solvent or ion-exchange resin and highly-pure crystals thereof. According to the present invention, there is provided a production method of pyrroloquinoline quinone in the free form and highly-pure crystals thereof, wherein the production method comprises preparing a solution having a pH of 1.5 or less by dissolving an alkali metal salt of pyrroloquinoline quinone to obtain a precipitate.
    Type: Application
    Filed: November 5, 2010
    Publication date: September 6, 2012
    Applicant: MITSUBISHI GAS CHEMICAL COMPANY INC.
    Inventors: Kazuto Ikemoto, Junichi Edahiro
  • CRYSTALS OF PYRROLOQUINOLINEQUINONE SODIUM SALTS
    Publication number: 20120116087
    Abstract: A crystal of pyrroloquinoline quinone disodium salt having peaks at 2? of 9.1°, 10.3°, 13.8°, 17.7°, 18.3°, 24.0°, 27.4°, 31.2° and 39.5° (±0.2° for each) in powder X-ray diffractometry using Cu K? radiation, or a crystal of pyrroloquinoline quinone trisodium salt having peaks at 2? of 6.6°, 11.4°, 13.0°, 22.6°, 26.9°, 27.9°, 37.0°, 38.9° and 43.4° (±0.2° for each) in powder X-ray diffractometry using Cu K? radiation.
    Type: Application
    Filed: June 9, 2010
    Publication date: May 10, 2012
    Applicant: Mitsubishi Gas Chemical Company, Inc.
    Inventors: Junichi Edahiro, Hitoshi Sakamoto, Kazuto Ikemoto, Hajime Shimizu, Tatsuya Hasegawa, Masahiko Nakano
  • METHOD AND APPARATUS FOR IMMOBILIZING CELLS, AND CELL-IMMOBILIZED SUBSTRATE
    Publication number: 20070243573
    Abstract: A method and apparatus for efficiently immobilizing cells on a substrate without damaging the cells, and a cell-immobilized substrate is provided. Cells 4a contacting a substrate 2 is irradiated with light 10 which includes light having a wavelength of 330 to 410 nm, thereby adhering cells 4a to the substrate 2.
    Type: Application
    Filed: February 9, 2007
    Publication date: October 18, 2007
    Inventors: Kimio SUMARU, Junichi EDAHIRO, Yuki OOSHIMA, Yuuichi TADA, Shinji SUGIURA, Toshiyuki KANAMORI