Patents by Inventor Akihiro Mutou

Akihiro Mutou 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: 10550484
    Abstract: The present invention provides a method of generating organic compounds and an organic-compound-generating system capable of efficiently generating organic-compounds even under a low-temperature environment by controlling a pH of an aqueous solution within a range from 5 to 10 during electrolysis in a case generating organic compounds by electrolyzing the aqueous solution containing carbon dioxide.
    Type: Grant
    Filed: January 18, 2016
    Date of Patent: February 4, 2020
    Assignees: CHIYODA CORPORATION, The University of Tokyo
    Inventors: Dai Takeda, Akihiro Mutou, Chikako Hashimoto, Jun Matsumoto, Katsushi Fujii, Masakazu Sugiyama
  • Patent number: 9776180
    Abstract: Provided are: a hydrotreating catalyst for hydrocarbon oil having a hydrodesulfurization activity additionally improved by: simultaneously and continuously adding an aqueous solution of an acidic compound containing titanium and an aqueous solution containing an alkaline compound to a hydrosol containing an alumina hydrate particle at a temperature of 10 to 100° C. and a pH of 4.5 to 6.5; washing the resultant to remove a contaminating ion; forming the washed product after dehydration so as to have a moisture content at which it is formable; drying the resultant; impregnating the dried product with a catalytic component aqueous solution containing at least one kind of periodic table group 6 metal compound, at least one kind of periodic table group 8-10 metal compound, at least one kind of phosphorus compound, and at least one kind of saccharide; and drying the resultant; a manufacturing method for the catalyst; and a hydrodesulfurization treatment method for hydrocarbon oil using the catalyst.
    Type: Grant
    Filed: March 22, 2011
    Date of Patent: October 3, 2017
    Assignee: CHIYODA CORPORATION
    Inventors: Shinichi Inoue, Yukitaka Wada, Akihiro Mutou, Takeo Ono
  • Patent number: 9463452
    Abstract: A hydrotreating catalyst for hydrocarbon oil having a hydrodesulfurization activity additionally improved by: simultaneously and continuously adding an aqueous solution of an acidic compound containing titanium and an aqueous solution containing an alkaline compound to a hydrosol containing an alumina hydrate particle at a temperature of 10 to 100° C. and a pH of 4.5 to 6.5; washing the resultant to remove a contaminating ion; forming the washed product after dehydration so as to have a moisture content at which it is formable; drying the resultant; impregnating the dried product with a catalytic component aqueous solution containing periodic table group 6 metal compound, periodic table group 8-10 metal compound, phosphorus compound, and saccharide; and drying the resultant; a manufacturing method for the catalyst; and a hydrodesulfurization treatment method for hydrocarbon oil using the catalyst.
    Type: Grant
    Filed: April 16, 2014
    Date of Patent: October 11, 2016
    Assignee: CHIYODA CORPORATION
    Inventors: Shinichi Inoue, Yukitaka Wada, Akihiro Mutou, Takeo Ono
  • Publication number: 20160208396
    Abstract: The present invention provides a method of generating organic compounds and an organic-compound-generating system capable of efficiently generating organic-compounds even under a low-temperature environment by controlling a pH of an aqueous solution within a range from 5 to 10 during electrolysis in a case generating organic compounds by electrolyzing the aqueous solution containing carbon dioxide.
    Type: Application
    Filed: January 18, 2016
    Publication date: July 21, 2016
    Inventors: Dai Takeda, Akihiro Mutou, Chikako Hashimoto, Jun Matsumoto, Katsushi Fujii, Masakazu Sugiyama
  • Publication number: 20150202614
    Abstract: Provided is a method of reactivating a used titania catalyst for hydrogenation treatment, capable of improving the catalytic activity of the used titania catalyst for hydrogenation treatment that is obtained by supporting a catalyst component on a titania support and exhibits reduced catalytic activity after having been used for hydrogenation treatment of a hydrocarbon oil, to a level comparable to that of a newly prepared fresh titania catalyst before use.
    Type: Application
    Filed: May 16, 2013
    Publication date: July 23, 2015
    Applicant: CHIYODA CORPORATION
    Inventors: Shinichi Inoue, Yukitaka Wada, Akihiro Mutou
  • Publication number: 20140224708
    Abstract: A hydrotreating catalyst for hydrocarbon oil having a hydrodesulfurization activity additionally improved by: simultaneously and continuously adding an aqueous solution of an acidic compound containing titanium and an aqueous solution containing an alkaline compound to a hydrosol containing an alumina hydrate particle at a temperature of 10 to 100° C. and a pH of 4.5 to 6.5; washing the resultant to remove a contaminating ion; forming the washed product after dehydration so as to have a moisture content at which it is formable; drying the resultant; impregnating the dried product with a catalytic component aqueous solution containing periodic table group 6 metal compound, periodic table group 8-10 metal compound, phosphorus compound, and saccharide; and drying the resultant; a manufacturing method for the catalyst; and a hydrodesulfurization treatment method for hydrocarbon oil using the catalyst.
    Type: Application
    Filed: April 16, 2014
    Publication date: August 14, 2014
    Applicant: CHIYODA CORPORATION
    Inventors: Shinichi INOUE, Yukitaka WADA, Akihiro MUTOU, Takeo ONO
  • Publication number: 20120318717
    Abstract: Provided are: a hydrotreating catalyst for hydrocarbon oil having a hydrodesulfurization activity additionally improved by: simultaneously and continuously adding an aqueous solution of an acidic compound containing titanium and an aqueous solution containing an alkaline compound to a hydrosol containing an alumina hydrate particle at a temperature of 10 to 100° C. and a pH of 4.5 to 6.5; washing the resultant to remove a contaminating ion; forming the washed product after dehydration so as to have a moisture content at which it is formable; drying the resultant; impregnating the dried product with a catalytic component aqueous solution containing at least one kind of periodic table group 6 metal compound, at least one kind of periodic table group 8-10 metal compound, at least one kind of phosphorus compound, and at least one kind of saccharide; and drying the resultant; a manufacturing method for the catalyst; and a hydrodesulfurization treatment method for hydrocarbon oil using the catalyst.
    Type: Application
    Filed: March 22, 2011
    Publication date: December 20, 2012
    Inventors: Shinichi Inoue, Yukitaka Wada, Akihiro Mutou, Takeo Ono
  • Patent number: 7943115
    Abstract: This invention relates to a 4 group metal oxide and to a method for preparation thereof and the 4 group metal oxide prepared by adding a particle growth inhibiter to a hydrosol a hydrogel or a dried product of a hydrous 4 group metal oxide represented by MO(2-x)(OH)2x (wherein M denotes a 4 group metal and x is a number greater than 0.1 or x>0.1) followed by drying and calcining has a specific surface area of 80 m2/g or more, a pore volume of 0.2 ml/g or more and a pore sharpness degree of 50% or more and excellent heat stability and is useful for a catalyst or a catalyst carrier in which a catalyst metal is dispersed to a high degree.
    Type: Grant
    Filed: January 15, 2002
    Date of Patent: May 17, 2011
    Assignee: Chiyoda Corporation
    Inventors: Shinichi Inoue, Hidehiko Kudou, Akihiro Mutou, Tateo Ono, Toshiji Makabe, Toru Takatsuka, Hisashi Nomura
  • Patent number: 7691781
    Abstract: This invention provides layered porous titanium oxide comprising an inorganic oxide as a core and titanium oxide deposited on the surface of the inorganic oxide, wherein the titanium localization index B/A represented by the ratio of the proportion of titanium (Ti) to the sum of the constituent metal (M) of the inorganic oxide and titanium (Ti) determined by X-ray photoelectron spectroscopy (XPS) [B=Ti XPS/(Ti XPS+M XPS)] to the bulk mixing molar ratio of titanium (Ti) to the sum of the constituent metal (M) of the inorganic oxide and titanium (Ti) [A=Ti/(Ti+M)] is 1.6 or more and the titanium oxide is deposited on the surface of the inorganic oxide so as to be chemically and/or microscopically united to the inorganic oxide and also provides a process for producing the same and a catalyst comprising the same. The layered porous titanium oxide of this invention has a regulated pore structure, a large specific surface area, and excellent mechanical strength and is useful as a catalyst or a catalyst carrier.
    Type: Grant
    Filed: December 25, 2003
    Date of Patent: April 6, 2010
    Assignee: Chiyoda Corporation
    Inventors: Shinichi Inoue, Akihiro Mutou, Yukitaka Wada, Hidehiko Kudou, Tateo Ono, Hisashi Nomura
  • Publication number: 20070140952
    Abstract: This invention provides layered porous titanium oxide comprising an inorganic oxide as a core and titanium oxide deposited on the surface of the inorganic oxide, wherein the titanium localization index B/A represented by the ratio of the proportion of titanium (Ti) to the sum of the constituent metal (M) of the inorganic oxide and titanium (Ti) determined by X-ray photoelectron spectroscopy (XPS) [B=TiXPS/(TiXPS+MXPS)] to the bulk mixing molar ratio of titanium (Ti) to the sum of the constituent metal (M) of the inorganic oxide and titanium (Ti) [A=Ti/(Ti+M)] is 1.6 or more and the titanium oxide is deposited on the surface of the inorganic oxide so as to be chemically and/or microscopically united to the inorganic oxide and also provides a process for producing the same and a catalyst comprising the same. The layered porous titanium oxide of this invention has a regulated pore structure, a large specific surface area, and excellent mechanical strength and is useful as a catalyst or a catalyst carrier.
    Type: Application
    Filed: December 25, 2003
    Publication date: June 21, 2007
    Inventors: Shinichi Inoue, Akihiro Mutou, Yukitaka Wada, Hidehiko Kudou, Tateo Ono, Hisashi Nomura
  • Publication number: 20040238410
    Abstract: This invention relates to a 4 group metal oxide and to a method for preparation thereof and the 4 group metal oxide prepared by adding a particle growth inhibiter to a hydrosol a hydrogel or a dried product of a hydrous 4 group metal oxide represented by MO(2-x)(OH)2x (wherein M denotes a 4 group metal and x is a number greater than 0.1 or x>0.1) followed by drying and calcining has a specific surface area of 80 m2/g or more, a pore volume of 0.2 ml/g or more and a pore sharpness degree of 50% or more and excellent heat stability and is useful for a catalyst or a catalyst carrier in which a catalyst metal is dispersed to a high degree.
    Type: Application
    Filed: January 26, 2004
    Publication date: December 2, 2004
    Inventors: Shinichi Inoue, Akihiro Mutou, Tateo Ono, Toshiji Makabe, Toru Takatsuka, Hisashi Nomura