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).
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Patent number: 11127898Abstract: 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: GrantFiled: January 20, 2017Date of Patent: September 21, 2021Assignee: NIPPON STEEL CORPORATIONInventors: Hiroshi Kajiro, Toru Nagai, Kentaro Kinoshita
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Publication number: 20210202836Abstract: 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: ApplicationFiled: January 20, 2017Publication date: July 1, 2021Applicants: NIPPON STEEL & SUMITOMO METAL CORPORATION, NATIONAL UNIVERSITY CORPORATION TOTTORI UNIVERSITYInventors: Hiroshi KAJIRO, Toru NAGAI, Kentaro KINOSHITA
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Patent number: 9786925Abstract: 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: GrantFiled: April 22, 2005Date of Patent: October 10, 2017Assignee: NIPPON STEEL & SUMITOMO METAL CORPORATIONInventors: Kenichiro Tadokoro, Takashi Iijima, Hiroshi Kajiro, Hideaki Sawada, Yoichi Matsuzaki
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Patent number: 9719185Abstract: 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: GrantFiled: July 28, 2006Date of Patent: August 1, 2017Assignee: NIPPON STEEL & SUMIKIN MATERIALS CO., LTD.Inventors: Masaharu Ibaragi, Hiroshi Kajiro, Hiroshi Ohishi
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Patent number: 9630164Abstract: 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: GrantFiled: October 31, 2013Date of Patent: April 25, 2017Assignee: NIPPON STEEL & SUMITOMO METAL CORPORATIONInventors: Hiroshi Kajiro, Koichi Nose, Susumu Kitagawa, Ryotaro Matsuda, Hiroshi Sato
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Publication number: 20150290618Abstract: 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: ApplicationFiled: October 31, 2013Publication date: October 15, 2015Applicants: KYOTO UNIVERSITY, NIPPON STEEL & SUMITOMO METAL CORPORATIONInventors: Hiroshi Kajiro, Koichi Nose, Susumu Kitagawa, Ryotaro Matsuda, Hiroshi Sato
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Patent number: 9074083Abstract: 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: GrantFiled: September 5, 2005Date of Patent: July 7, 2015Assignee: NIPPON STEEL & SUMITOMO METAL CORPORATIONInventors: Masaharu Ibaragi, Hiroshi Kajiro, Hiroshi Ohishi, Kazushige Niki, Yoshihiro Nohmi
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Patent number: 8475930Abstract: 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: GrantFiled: December 5, 2006Date of Patent: July 2, 2013Assignee: Nippon Steel & Sumitomo Metal CorporationInventors: Hiromasa Shoji, Hiroshi Kajiro
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Publication number: 20090142589Abstract: 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: ApplicationFiled: December 5, 2006Publication date: June 4, 2009Inventors: Hiromasa Shoji, Hiroshi Kajiro
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Publication number: 20090029245Abstract: 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: ApplicationFiled: July 28, 2006Publication date: January 29, 2009Inventors: Masaharu Ibaragi, Hiroshi Kajiro, Hiroshi Ohishi
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Publication number: 20080075962Abstract: 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: ApplicationFiled: September 5, 2005Publication date: March 27, 2008Inventors: Masaharu Ibaragi, Hiroshi Kajiro, Hiroshi Ohishi, Kazushige Niki, Yoshihiro Nohmi
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Publication number: 20070224479Abstract: 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: ApplicationFiled: April 22, 2005Publication date: September 27, 2007Inventors: Kenichiro Tadokoro, Takashi Iijima, Hiroshi Kajiro, Hideaki Sawada, Yoichi Matsuzaki
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Patent number: 6057479Abstract: 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: GrantFiled: July 9, 1998Date of Patent: May 2, 2000Assignee: Nippon Steel Chemical Co., Ltd.Inventors: Shuichi Mitamura, Yasuhisa Asano, Tamejiro Hiyama, Hiroshi Kajiro