Patents by Inventor Hiroshi Kajiro

Hiroshi Kajiro 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: 11127898
    Abstract: Provided is a microswitch including a first electrode, a second electrode, and a porous coordination polymer conductor, in which the porous coordination polymer conductor is represented by the following Formula (1), and a metal forming the first electrode and a metal forming the second electrode have different oxidation-reduction potentials, [MLx]n(D)y??(1), where M represents a metal ion selected from group 2 to group 13 elements in a periodic table, L represents a ligand that has two or more functional groups capable of coordination to M in a structure of L and is crosslinkable with two M's, D represents a conductivity aid that includes no metal element, x represents 0.5 to 4 and y represents 0.0001 to 20 with respect to x as 1, n represents the number of repeating units of a constituent unit represented by [MLx], and n represents 5 or more.
    Type: Grant
    Filed: January 20, 2017
    Date of Patent: September 21, 2021
    Assignee: NIPPON STEEL CORPORATION
    Inventors: Hiroshi Kajiro, Toru Nagai, Kentaro Kinoshita
  • Publication number: 20210202836
    Abstract: Provided is a microswitch including a first electrode, a second electrode, and a porous coordination polymer conductor, in which the porous coordination polymer conductor is represented by the following Formula (1), and a metal forming the first electrode and a metal forming the second electrode have different oxidation-reduction potentials, [MLx]n(D)y??(1), where M represents a metal ion selected from group 2 to group 13 elements in a periodic table, L represents a ligand that has two or more functional groups capable of coordination to M in a structure of L and is crosslinkable with two M's, D represents a conductivity aid that includes no metal element, x represents 0.5 to 4 and y represents 0.0001 to 20 with respect to x as 1, n represents the number of repeating units of a constituent unit represented by [MLx], and n represents 5 or more.
    Type: Application
    Filed: January 20, 2017
    Publication date: July 1, 2021
    Applicants: NIPPON STEEL & SUMITOMO METAL CORPORATION, NATIONAL UNIVERSITY CORPORATION TOTTORI UNIVERSITY
    Inventors: Hiroshi KAJIRO, Toru NAGAI, Kentaro KINOSHITA
  • Patent number: 9786925
    Abstract: A fuel cell comprised of a proton conductive electrolyte film sandwiched between a pair of catalyst layers, wherein the catalyst layer of at least the cathode is comprised of a mixture including a catalyst ingredient, an electrolytic material, and a carbon material, the carbon material is comprised of a catalyst-carrying carbon material carrying the catalyst ingredient and a gas-diffusing carbon material not carrying the catalyst ingredient, and the catalyst-carrying carbon material has an amount of adsorption of water vapor at 25° C. and a relative humidity of 90% of 50 ml/g or more.
    Type: Grant
    Filed: April 22, 2005
    Date of Patent: October 10, 2017
    Assignee: NIPPON STEEL & SUMITOMO METAL CORPORATION
    Inventors: Kenichiro Tadokoro, Takashi Iijima, Hiroshi Kajiro, Hideaki Sawada, Yoichi Matsuzaki
  • Patent number: 9719185
    Abstract: The present invention provides a resin-coated stainless steel foil capable of maintaining a strong adherence force to the film even in an electrolytic solution to exhibit good corrosion resistance and excellent in the workability, design property and piecing resistance, and a container and a secondary battery each using the resin-coated stainless steel foil. A resin-coated stainless steel foil having a chromate treatment layer of 2 to 200 nm in thickness on at least one surface of a stainless steel foil and having at least a polyolefin-based resin (A) layer containing a functional group having polarity on the chromate treatment layer; and a container and a secondary battery each using the resin-coated stainless steel foil are also provided.
    Type: Grant
    Filed: July 28, 2006
    Date of Patent: August 1, 2017
    Assignee: NIPPON STEEL & SUMIKIN MATERIALS CO., LTD.
    Inventors: Masaharu Ibaragi, Hiroshi Kajiro, Hiroshi Ohishi
  • Patent number: 9630164
    Abstract: An object of the present invention is to provide a porous polymer metal complex which can be used as a gas adsorbent and contains two or more types of similar ligands. A porous polymer metal complex is provided expressed by [CuX]n(1) (in the Formula, X represents two or more types of isophthalic acid ions selected from the group consisting of isophthalic acid ions and isophthalic acid ions having a substituent at position 5, at least an amount of one type of X is 5 mol % to 95 mol % of the total number of moles of X, and n represents an assembly number of constituent units expressed by CuX and is not particularly limited).
    Type: Grant
    Filed: October 31, 2013
    Date of Patent: April 25, 2017
    Assignee: NIPPON STEEL & SUMITOMO METAL CORPORATION
    Inventors: Hiroshi Kajiro, Koichi Nose, Susumu Kitagawa, Ryotaro Matsuda, Hiroshi Sato
  • Publication number: 20150290618
    Abstract: An object of the present invention is to provide a porous polymer metal complex which can be used as a gas adsorbent and contains two or more types of similar ligands. A porous polymer metal complex is provided expressed by [CuX]n(1) (in the Formula, X represents two or more types of isophthalic acid ions selected from the group consisting of isophthalic acid ions and isophthalic acid ions having a substituent at position 5, at least an amount of one type of X is 5 mol % to 95 mol % of the total number of moles of X, and n represents an assembly number of constituent units expressed by CuX and is not particularly limited).
    Type: Application
    Filed: October 31, 2013
    Publication date: October 15, 2015
    Applicants: KYOTO UNIVERSITY, NIPPON STEEL & SUMITOMO METAL CORPORATION
    Inventors: Hiroshi Kajiro, Koichi Nose, Susumu Kitagawa, Ryotaro Matsuda, Hiroshi Sato
  • Patent number: 9074083
    Abstract: The present invention provides a polyolefin resin composition for metal coating, which is excellent in separation resistance, weather resistance and corrosion resistance, can be industrially produced without difficulty even by an existing apparatus, and is assured of excellent scratch resistance without using a surface coating agent; a resin film using the composition; and a resin-coated metal material. The polyolefin resin composition for metal coating comprises at least (A) a polyolefin resin, (B) a layered inorganic material, (C) an olefin containing oligomer containing a functional group having polarity and (D) a rubber-like elastic material.
    Type: Grant
    Filed: September 5, 2005
    Date of Patent: July 7, 2015
    Assignee: NIPPON STEEL & SUMITOMO METAL CORPORATION
    Inventors: Masaharu Ibaragi, Hiroshi Kajiro, Hiroshi Ohishi, Kazushige Niki, Yoshihiro Nohmi
  • Patent number: 8475930
    Abstract: A composite coated metal sheet comprising a coated film having a low environmental impact prepared free from hexavalent chromium, and having good corrosion resistance equivalent to that provided by chromate treatment and excellent adhesiveness between the coated film and a resin layer formed on the coated film. Also, a treatment agent and a method of manufacturing the composite coated metal sheet with the treatment agent is described. The composite coated metal sheet comprises a coated film formed on a surface of a plated metal sheet or metal sheet, the coated film contains an oxide and/or a hydroxide of metal other than chromium, and an organic component comprising modified and/or unmodified functional group(s).
    Type: Grant
    Filed: December 5, 2006
    Date of Patent: July 2, 2013
    Assignee: Nippon Steel & Sumitomo Metal Corporation
    Inventors: Hiromasa Shoji, Hiroshi Kajiro
  • Publication number: 20090142589
    Abstract: A composite coated metal sheet comprising a coated film having a low environmental impact prepared free from hexavalent chromium, and having good corrosion resistance equivalent to that provided by chromate treatment and excellent adhesiveness between the coated film and a resin layer formed on the coated film. Also, a treatment agent and a method of manufacturing the composite coated metal sheet with the treatment agent is described. The composite coated metal sheet comprises a coated film formed on a surface of a plated metal sheet or metal sheet, the coated film contains an oxide and/or a hydroxide of metal other than chromium, and an organic component comprising modified and/or unmodified functional group(s).
    Type: Application
    Filed: December 5, 2006
    Publication date: June 4, 2009
    Inventors: Hiromasa Shoji, Hiroshi Kajiro
  • Publication number: 20090029245
    Abstract: The present invention provides a resin-coated stainless steel foil capable of maintaining a strong adherence force to the film even in an electrolytic solution to exhibit good corrosion resistance and excellent in the workability, design property and piecing resistance, and a container and a secondary battery each using the resin-coated stainless steel foil. According to the present invention, a resin-coated stainless steel foil having a chromate treatment layer of 2 to 200 nm in thickness on at least one surface of a stainless steel foil and having at least a polyolefin-based resin (A) layer containing a functional group having polarity on the chromate treatment layer; and a container and a secondary battery each using the resin-coated stainless steel foil are provided.
    Type: Application
    Filed: July 28, 2006
    Publication date: January 29, 2009
    Inventors: Masaharu Ibaragi, Hiroshi Kajiro, Hiroshi Ohishi
  • Publication number: 20080075962
    Abstract: The present invention provides a polyolefin-based resin composition for metal coating, which is excellent in separation resistance, weather resistance and corrosion resistance, can be industrially produced without difficulty even by an existing apparatus, and is assured of excellent scratch resistance without using a surface coating agent; a resin film using the composition; and a resin-coated metal material. The polyolefin-based resin composition for metal coating comprises at least (A) a polyolefin-based resin, (B) a layered inorganic material, (C) an olefin-based oligomer containing a functional group having polarity and (D) a rubber-like elastic material.
    Type: Application
    Filed: September 5, 2005
    Publication date: March 27, 2008
    Inventors: Masaharu Ibaragi, Hiroshi Kajiro, Hiroshi Ohishi, Kazushige Niki, Yoshihiro Nohmi
  • Publication number: 20070224479
    Abstract: A fuel cell comprised of a proton conductive electrolyte film sandwiched between a pair of catalyst layers, wherein the catalyst layer of at least the cathode is comprised of a mixture including a catalyst ingredient, an electrolytic material, and a carbon material, the carbon material is comprised of a catalyst-carrying carbon material carrying the catalyst ingredient and a gas-diffusing carbon material not carrying the catalyst ingredient, and the catalyst-carrying carbon material has an amount of adsorption of water vapor at 25° C. and a relative humidity of 90% of 50 ml/g or more.
    Type: Application
    Filed: April 22, 2005
    Publication date: September 27, 2007
    Inventors: Kenichiro Tadokoro, Takashi Iijima, Hiroshi Kajiro, Hideaki Sawada, Yoichi Matsuzaki
  • Patent number: 6057479
    Abstract: This invention relates to a process for preparing indan derivatives and comprises a process for preparing cis-1-amino-2-indanol by treating (.+-.)indan-1,2-diol and/or its 2-formate derivative with specific microbes to give optically active 2-hydroxy-1-indanone, converting the optically active 2-hydroxy-1-indanone to its oxime, and treating the oxime with hydrogen or a hydrogen donor in the presence of a heterogeneous hydrogenation catalyst, a process for preparing optically active 2-hydroxy-1-indanone and/or optically active indan-1,2-diol by treating (.+-.)indan-1,2-diol and/or its 2-formate derivative with specific microbes, and a process for preparing cis-1-amino-2-indanol by treating the oxime of 2-hydroxy-1-indanone with hydrogen or a hydrogen donor in the presence of a heterogeneous hydrogenation catalyst.
    Type: Grant
    Filed: July 9, 1998
    Date of Patent: May 2, 2000
    Assignee: Nippon Steel Chemical Co., Ltd.
    Inventors: Shuichi Mitamura, Yasuhisa Asano, Tamejiro Hiyama, Hiroshi Kajiro