Patents by Inventor Masayuki Yokota
Masayuki Yokota 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: 11178786Abstract: The method manufactures a hermetic sealing lid member used for an electronic component housing package including an electronic component arrangement member on which an electronic component is arranged. The method includes forming a clad material in which a silver brazing layer that contains Ag and Cu and a first Fe layer arranged on the silver brazing layer and made of Fe or an Fe alloy are bonded to each other by roll-bonding a silver brazing plate that contains Ag and Cu and a first Fe plate made of Fe or an Fe alloy to each other and performing first heat treatment for diffusion annealing; softening the clad material by performing second heat treatment; and forming the hermetic sealing lid member in a box shape including a recess portion by bending the softened clad material.Type: GrantFiled: June 6, 2019Date of Patent: November 16, 2021Assignee: HITACHI METALS, LTD.Inventors: Masayuki Yokota, Masaharu Yamamoto
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Patent number: 10696589Abstract: This glass bonding material (21) is made of a cladding material (1) in which at least a first layer (11) made of an Al-based alloy and configured to be bonded to glass and a second layer (12) made of an Fe—Ni based alloy having a thermal expansion coefficient from 30° C. to 400° C. of 11.5×10?6 (K?1) or less are bonded.Type: GrantFiled: May 23, 2017Date of Patent: June 30, 2020Assignee: HITACHI METALS, LTD.Inventors: Masayuki Yokota, Ryoji Inoue, Yoshiharu Tsuboi, Masaharu Yamamoto, Masaru Fujiyoshi, Naruaki Tomita, Kouji Kawahara
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Patent number: 10595424Abstract: This hermetic sealing lid member (10) is made of a clad material (20) including a silver brazing layer (21) that contains Ag and Cu and a first Fe layer (22) bonded onto the silver brazing layer and made of Fe or an Fe alloy. The hermetic sealing lid member is formed in a box shape including a recess portion (13) by bending the clad material.Type: GrantFiled: December 24, 2015Date of Patent: March 17, 2020Assignee: HITACHI METALS, LTD.Inventors: Masayuki Yokota, Masaharu Yamamoto
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Patent number: 10461001Abstract: This method for manufacturing a hermetic sealing lid member (1, 201, 301) includes forming a Ni plated metal plate (70, 170) by forming a Ni plated layer (11, 12, 41) on a surface of a metal plate (40) having a corrosion resistance and forming the hermetic sealing lid member by punching the Ni plated metal plate.Type: GrantFiled: November 17, 2015Date of Patent: October 29, 2019Assignee: HITACHI METALS, LTD.Inventors: Masayuki Yokota, Masaharu Yamamoto
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Publication number: 20190289738Abstract: The method manufactures a hermetic sealing lid member used for an electronic component housing package including an electronic component arrangement member on which an electronic component is arranged. The method includes forming a clad material in which a silver brazing layer that contains Ag and Cu and a first Fe layer arranged on the silver brazing layer and made of Fe or an Fe alloy are bonded to each other by roll-bonding a silver brazing plate that contains Ag and Cu and a first Fe plate made of Fe or an Fe alloy to each other and performing first heat treatment for diffusion annealing; softening the clad material by performing second heat treatment; and forming the hermetic sealing lid member in a box shape including a recess portion by bending the softened clad material.Type: ApplicationFiled: June 6, 2019Publication date: September 19, 2019Applicant: HITACHI METALS, LTD.Inventors: Masayuki Yokota, Masaharu Yamamoto
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Patent number: 10026947Abstract: A battery terminal is made of a clad material in which a first metal layer made of an Al-based alloy, a second metal layer made of a Cu-based alloy, and a third metal layer made of a Ni-based alloy are bonded to each other in a state where the first metal layer, the second metal layer, and the third metal layer are stacked in this order. The battery terminal includes a shaft portion and a flange portion that radially expands from the shaft portion, and has the third metal layer at least in an end of the shaft portion on a first side in a shaft direction in which the shaft portion extends.Type: GrantFiled: July 26, 2016Date of Patent: July 17, 2018Assignee: HITACHI METALS, LTD.Inventors: Masayuki Yokota, Yoshimitsu Oda
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Publication number: 20170367205Abstract: This hermetic sealing lid member (1) is made of a clad material (10) including a base material layer (11) made of an Fe alloy that contains 4 mass % or more of Cr and a silver brazing layer (13) bonded onto a surface of the base material layer on a side closer to an electronic component housing member through an intermediate layer (12).Type: ApplicationFiled: January 20, 2016Publication date: December 21, 2017Applicant: HITACHI METALS, LTD.Inventors: Masayuki Yokota, Masaharu Yamamoto
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Publication number: 20170354049Abstract: This hermetic sealing lid member (10) is made of a clad material (20) including a silver brazing layer (21) that contains Ag and Cu and a first Fe layer (22) bonded onto the silver brazing layer and made of Fe or an Fe alloy. The hermetic sealing lid member is formed in a box shape including a recess portion (13) by bending the clad material.Type: ApplicationFiled: December 24, 2015Publication date: December 7, 2017Applicant: HITACHI METALS, LTD.Inventors: Masayuki Yokota, Masaharu Yamamoto
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Publication number: 20170330811Abstract: This method for manufacturing a hermetic sealing lid member (1, 201, 301) includes forming a Ni plated metal plate (70, 170) by forming a Ni plated layer (11, 12, 41) on a surface of a metal plate (40) having a corrosion resistance and forming the hermetic sealing lid member by punching the Ni plated metal plate.Type: ApplicationFiled: November 17, 2015Publication date: November 16, 2017Applicant: HITACHI METALS, LTD.Inventors: Masayuki Yokota, Masaharu Yamamoto
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Publication number: 20170283318Abstract: This glass bonding material (21) is made of a cladding material (1) in which at least a first layer (11) made of an Al-based alloy and configured to be bonded to glass and a second layer (12) made of an Fe—Ni based alloy having a thermal expansion coefficient from 30° C. to 400° C. of 11.5×10?6 (K?1) or less are bonded.Type: ApplicationFiled: May 23, 2017Publication date: October 5, 2017Applicant: HITACHI METALS, LTD.Inventors: Masayuki Yokota, Ryoji Inoue, Yoshiharu Tsuboi, Masaharu Yamamoto, Masaru Fujiyoshi, Naruaki Tomita, Kouji Kawahara
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Publication number: 20170054131Abstract: A battery terminal is made of a clad material in which a first metal layer made of an Al-based alloy, a second metal layer made of a Cu-based alloy, and a third metal layer made of a Ni-based alloy are bonded to each other in a state where the first metal layer, the second metal layer, and the third metal layer are stacked in this order. The battery terminal includes a shaft portion and a flange portion that radially expands from the shaft portion, and has the third metal layer at least in an end of the shaft portion on a first side in a shaft direction in which the shaft portion extends.Type: ApplicationFiled: July 26, 2016Publication date: February 23, 2017Applicants: Hitachi Metals Neomaterial, Ltd., HITACHI METALS, LTD.Inventors: Masayuki Yokota, Yoshimitsu Oda
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Publication number: 20150232244Abstract: This cover material for hermetic sealing is a cover material for hermetic sealing employed for a package for containing an electronic component. The cover material 1 for hermetic sealing is constituted of a clad material including a base material layer made of an Ni—Cr—Fe alloy containing Ni, Cr and Fe or an Ni—Cr—Co—Fe alloy containing Ni, Cr, Co and Fe, and a surface layer bonded to one surface of the base material layer on a side of an electronic component containing member and made of Ni or an Ni alloy.Type: ApplicationFiled: November 8, 2013Publication date: August 20, 2015Applicants: NEOMAX MATERIALS Co., Ltd., HITACHI METALS, LTD.Inventors: Masayuki Yokota, Masaharu Yamamoto
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Patent number: 8334078Abstract: A separator for a fuel cell according to the present invention includes: a base 1 containing 70 mass % or more of Al; an underlying layer 2 being formed on the base and containing Ti; an intermediate layer 3 being formed on the underlying layer and containing TiNx or TiOy; and a conductive metal layer 4 being formed on the intermediate layer and containing Au or Pt. The separator for a fuel cell according to the present invention has an excellent anticorrosiveness although a base containing aluminum as a main component is used.Type: GrantFiled: November 16, 2007Date of Patent: December 18, 2012Assignee: Neomax Materials Co., Ltd.Inventors: Masayuki Yokota, Fumiaki Kikui, Ken Asada
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Publication number: 20120196185Abstract: The present invention relates to a positive electrode active substance for non-aqueous electrolyte secondary batteries which comprises particles comprising a polyanionic compound and carbon, and a lipophilic treatment agent with which the respective particles are coated, wherein the positive electrode active substance has an average particle diameter of 1 to 50 ?m. The positive electrode active substance preferably has an oil absorption of not more than 20 mL/100 g. The positive electrode active substance according to the present invention exhibits a good compatibility with a resin and is excellent in packing property and dispersibility in the resin, and therefore can provide an electrode sheet in which the positive electrode active substance is filled with a high packing density.Type: ApplicationFiled: July 27, 2010Publication date: August 2, 2012Inventors: Yoshiteru Kono, Kenji Ogisu, Toshiyuki Hakata, Yuji Mishima, Katsuji Iwami, Masayuki Yokota, Minoru Yamasaki, Akihisa Kajiyama, Hideaki Sadamura
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Patent number: 8101867Abstract: An electroless Ni—P plating method according to the present invention includes the steps of: providing a substrate including an insulating substrate and a copper alloy layer that has a predetermined pattern including a plurality of island portions that are isolated from each other; providing a plating solution to carry out electroless Ni—P plating; providing a solid piece including Ni, Ni—P, Co or Co—Ni on at least the surface thereof; and bringing the solid piece into contact with the surface of at least two of the island portions that are both in contact with the plating solution, thereby selectively forming an electroless Ni—P plated coating on the surface of the island portions. Thus, the present invention provides a Ni—P plating method that can subject the copper pattern on the insulating substrate to high-precision selective Ni—P plating on an industrial basis.Type: GrantFiled: June 22, 2007Date of Patent: January 24, 2012Assignee: Neomax Materials Co., Ltd.Inventors: Masayuki Yokota, Ken Asada, Fumiaki Kikui
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Patent number: 7956182Abstract: This invention relates to a process for producing optically active alcohols using asymmetric reduction of aromatic ketones. This process gives optically active alcohols in high enantioselectivity in a large scale production.Type: GrantFiled: February 13, 2007Date of Patent: June 7, 2011Assignee: Kotobuki Pharmaceutical Co., Ltd.Inventors: Hiroshi Tomiyama, Masayuki Yokota
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Patent number: 7830001Abstract: A Cu—Mo substrate 10 according to the present invention includes: a Cu base 1 containing Cu as a main component; an Mo base having opposing first and second principal faces 2a, 2b and containing Mo as a main component, the second principal face 2b of the Mo base 2 being positioned on at least a portion of a principal face 1a of the Cu base 1; and a first Sn—Cu-type alloy layer 3 covering the first principal face 2a and side faces 2c and 2d of the Mo base 2, the first Sn—Cu-type alloy layer 3 containing no less than 1 mass % and no more than 13 mass % of Sn.Type: GrantFiled: May 23, 2006Date of Patent: November 9, 2010Assignee: Neomax Materials Co., Ltd.Inventors: Masayuki Yokota, Kazuhiro Shiomi, Fumiaki Kikui, Masaaki Ishio
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Patent number: 7795229Abstract: A serum cholesterol lowing agent or a preventive or therapeutile agent for atherosclerosis, which each comprises a combination of a compound represented by the following general formula (I) or pharmaceutical acceptable salts thereof with a cholesterol biosynthesis inhibitor and/or a fibrate type cholesterol lowing agent. (I) (b) (a) [In the formula, A1, A2, A3 and A4 each is hydrogen, a group represented by the formula (b), or a group represented by the formula (a), provided that at least one of these is a group represented by the formula (a); A2 is C1-5 alkyl etc; and n. p, q and r each is an integer of 0, 1 or 2.Type: GrantFiled: June 15, 2004Date of Patent: September 14, 2010Assignee: Kotobuki Pharmaceutical Co., Ltd.Inventors: Hiroshi Tomiyama, Masayuki Yokota, Kazuhiro Kosakai
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Patent number: 7691898Abstract: This invention related to a series of new phosphonic acid derivatives having anti-hyperphosphatemia activity. wherein: A is selected from —(CH2)n—, —CO—, —(CH2)n—CO—(CH2)m—, —(CH2)n—CS—(CH2)m— or a branched alkylene group, B ring and C ring are selected from a benzene ring, naphthalene ring, azulene ring or, heterocycle or fused heterocycle compound, D is —(CH2)(n+1)—, —(CH2)—O—(CH2)m—, —(CH2)—S(O)o—(CH2)m—, —CF3 or —(CH2)n—NR10—(CH2)m— wherein a D ring is connected with the carbon atom composing the C ring, E is selected from an oxygen atom or a sulfur atom, P is a phosphine atom, R1˜R7, wherein R1 and R2, R4 and R5 are joined together with neighbored carbon atom to form 5˜7 membered saturated or unsaturated hydrocarbon ring, or 5˜6 membered fused heterocycle, R1, R2 and R3 are not a hydrogen atom if the B ring is a benzene ring and may be the same or different and are substituents, R8 and R9 are may be the same or different and are substituents, R10 is an alkyl group, n and m are 0-10 and o is 0-2.Type: GrantFiled: October 5, 2005Date of Patent: April 6, 2010Assignee: Kotobuki Pharmaceutical Co., Ltd.Inventors: Hiroshi Tomiyama, Masayuki Yokota, Kazuo Tokuzaki, Ryoko Tomita
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Publication number: 20100055539Abstract: A separator for a fuel cell according to the present invention includes: a base 1 containing 70 mass % or more of Al; an underlying layer 2 being formed on the base and containing Ti; an intermediate layer 3 being formed on the underlying layer and containing TiNx or TiOy; and a conductive metal layer 4 being formed on the intermediate layer and containing Au or Pt. The separator for a fuel cell according to the present invention has an excellent anticorrosiveness although a base containing aluminum as a main component is used.Type: ApplicationFiled: November 16, 2007Publication date: March 4, 2010Applicant: NEOMAX MATERIALS CO., LTD.Inventors: Masayuki Yokota, Fumiaki Kikui, Ken Asada