Patents Assigned to Neomax Materials Co., Ltd.
  • Patent number: 9421741
    Abstract: This chassis (2) is made of a clad material in which a first layer (21) made of austenite stainless steel, a second layer (22) made of Cu or a Cu alloy, stacked on the first layer, and a third layer (23) made of austenite stainless steel, stacked on the side of the second layer opposite to the first layer are roll-bonded to each other, and the thickness of the second layer is at least 15% of the thickness of the clad material.
    Type: Grant
    Filed: July 1, 2013
    Date of Patent: August 23, 2016
    Assignees: NEOMAX MATERIALS CO., LTD., HITACHI METALS, LTD.
    Inventors: Yoshimitsu Oda, Keita Watanabe, Masaaki Ishio
  • Patent number: 9350007
    Abstract: A connection plate for battery terminals capable of inhibiting a first member and a second member from being detached from each other is provided. This bus bar 2 (connection plate for battery terminals) includes a first member (3) including a first hole (30) and an embedding hole (31), made of first metal and a second member (4) having a second hole (42), including a base (40) made of second metal, embedded in the embedding hole of the first member, while an intermetallic compound layer (5) containing at least one of the first metal and the second metal is formed on an interface between the embedding hole of the first member and the second member.
    Type: Grant
    Filed: January 19, 2012
    Date of Patent: May 24, 2016
    Assignee: NEOMAX MATERIALS CO., LTD.
    Inventors: Yoshimitsu Oda, Masaharu Yamamoto, Masaaki Ishio
  • Publication number: 20160118641
    Abstract: A battery terminal includes a shaft portion and a flange portion. The battery terminal is made of a clad material in which at least a first metal layer and a second metal layer are bonded to each other. Each of the shaft portion and the flange portion includes the first metal layer on a first side in a shaft direction and the second metal layer on a second side in the shaft direction. The first metal layer in the shaft portion includes a protruding portion that further protrudes to the second side in the shaft direction with respect to a surface of the first metal layer on the second side in the shaft direction in the flange portion.
    Type: Application
    Filed: October 23, 2015
    Publication date: April 28, 2016
    Applicants: NEOMAX MATERIALS CO., LTD., HITACHI METALS, LTD., AOYAMA SEISAKUSHO IBARAKI PLANT CO,. LTD.
    Inventors: Yoshimitsu Oda, Masaharu Yamamoto, Masaaki Ishio, Naonori Ishii, Hirofumi Nakano
  • Patent number: 9266188
    Abstract: An aluminum copper clad material has excellent bonding strength and includes an aluminum layer and a copper layer that are bonded without a nickel layer interposed therebetween. The aluminum layer and the copper layer are diffusion-bonded via an Al—Cu intermetallic compound layer. The copper layer satisfies Dcs?0.5×Dcc, where Dcc represents the average crystal grain size of crystal grains in a central portion in the thickness direction of the copper layer, and Dcs represents the average crystal grain size of an interface adjacent portion C2 in the copper layer that is about 0.5 ?m apart from the interface between the copper layer and the intermetallic compound layer. The intermetallic compound layer has an average thickness of about 0.5 ?m to about 10 ?m.
    Type: Grant
    Filed: June 2, 2011
    Date of Patent: February 23, 2016
    Assignee: NEOMAX MATERIALS CO., LTD.
    Inventors: Yoshimitsu Oda, Masaaki Ishio, Akio Hashimoto, Kenji Ikeuchi
  • Publication number: 20150349347
    Abstract: This cladding material for a battery collector consists of a cladding material having a two-layer structure formed by bonding a first layer arranged on a first surface and constituted of an Al-based alloy and a second layer arranged on a second surface and constituted of a Cu-based alloy to each other by rolling. The ratio of the thickness of the first layer to the total thickness of the first layer and the second layer is not more than 35%.
    Type: Application
    Filed: May 29, 2015
    Publication date: December 3, 2015
    Applicants: NEOMAX MATERIALS CO., LTD., HITACHI METALS, LTD.
    Inventors: Yoshimitsu Oda, Ryoji Inoue, Kenichi Funamoto
  • Publication number: 20150241847
    Abstract: [Problem] To provide a hairspring material for a mechanical timepiece, a variation in Young's modulus of which can be made smaller than that of conventional ones. [Solution] The hairspring material for a mechanical timepiece of the present invention comprises an alloy which contains 37.5 to 39.5% by mass of Ni, 9.2 to 9.9% by mass of Cr, 0.35 to 0.55% by mass of Ti and 0.6 to 0.9% by mass of Be, based on the total amount of the alloy, and contains a remainder including Fe and unavoidable impurities, said alloy being an alloy containing, as the unavoidable impurities, C (carbon), Mn in an amount of more than 0% by mass but not more than 0.5% by mass and Al in an amount of more than 0% by mass but less than 0.03% by mass, the amount of said C (carbon) being limited to not more than 0.03% by mass.
    Type: Application
    Filed: August 29, 2013
    Publication date: August 27, 2015
    Applicants: CITIZEN HOLDINGS CO., LTD., NEOMAX MATERIALS CO., LTD., HITACHI METALS, LTD., CITIZEN WATCH CO., LTD.
    Inventors: Yoshirou Hirai, Shinichi Matsumoto, Kenji Tsuchiya, Shinji Yamamoto
  • Publication number: 20150232244
    Abstract: 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: Application
    Filed: November 8, 2013
    Publication date: August 20, 2015
    Applicants: NEOMAX MATERIALS Co., Ltd., HITACHI METALS, LTD.
    Inventors: Masayuki Yokota, Masaharu Yamamoto
  • Publication number: 20150190985
    Abstract: This chassis (2) is made of a clad material in which a first layer (21) made of austenite stainless steel, a second layer (22) made of Cu or a Cu alloy, stacked on the first layer, and a third layer (23) made of austenite stainless steel, stacked on the side of the second layer opposite to the first layer are roll-bonded to each other, and the thickness of the second layer is at least 15% of the thickness of the clad material.
    Type: Application
    Filed: July 1, 2013
    Publication date: July 9, 2015
    Applicants: NEOMAX MATERIALS CO., LTD., HITACHI METALS, LTD.
    Inventors: Yoshimitsu Oda, Keita Watanabe, Masaaki Ishio
  • Patent number: 9017871
    Abstract: A negative-electrode terminal for a cell in which separation between a first metal layer and a second metal layer hardly takes place is provided by suppressing excess formation of an intermetallic compound on a bond interface between the first metal layer and the second metal layer. This negative-electrode terminal for a cell includes a clad portion formed by bonding a first metal layer made of Al or an Al alloy and a second metal layer containing Ni and Cu and consisting of one or a plurality of layers to each other. The first metal layer includes a connected region connected with a cell terminal connecting plate and a stacked region adjacent to the connected region on the side of the same surface, while the second metal layer is bonded to the first metal layer in the stacked region and configured to be connectable to cell negative electrodes of cells.
    Type: Grant
    Filed: August 1, 2012
    Date of Patent: April 28, 2015
    Assignees: Neomax Materials Co., Ltd., Hitachi Metals, Ltd.
    Inventors: Yoshimitsu Oda, Masaaki Ishio
  • Publication number: 20150086867
    Abstract: A battery terminal includes an overlay clad plate material including at least a first metal layer made of Al or Al alloy and a second metal layer made of Cu or Cu alloy, formed by bonding at least the first metal layer and the second metal layer to each other in the thickness direction. Either the first metal layer or the second metal layer of the clad plate material is partially removed to form an exposure surface on which either the second metal layer or the first metal layer is exposed in the clad plate material.
    Type: Application
    Filed: September 10, 2014
    Publication date: March 26, 2015
    Applicants: NEOMAX MATERIALS CO., LTD., HITACHI METALS, LTD.
    Inventors: Yoshimitsu Oda, Masaharu Yamamoto, Masaaki Ishio
  • Patent number: 8883318
    Abstract: An aluminum bonding alloy is an Ni—Mg alloy for bonding aluminum and a non-aluminum metal selected from steel, copper, nickel or titanium. The Ni—Mg alloy consists essentially of 0.08-0.90 mass % Mg, and the balance of Ni and inevitable impurities. A clad material includes a non-aluminum metal layer made of the non-aluminum metal and a bonding alloy layer made of the aluminum bonding alloy. The non-aluminum metal layer and the bonding alloy layer are bonded together by pressure welding and diffusion bonding.
    Type: Grant
    Filed: October 25, 2010
    Date of Patent: November 11, 2014
    Assignee: Neomax Materials Co., Ltd.
    Inventors: Shinji Yamamoto, Masaaki Ishio
  • Patent number: 8802242
    Abstract: A clad plate includes an aluminum plate and a hard metal plate joined together at side end surfaces thereof. Side end surfaces of an aluminum plate and a hard metal plate are jointed together via a nickel layer by pressure welding. A ridge and a groove formed in the side end surface of the aluminum plate are respectively engaged and joined, via the nickel layer, to a groove and a ridge formed in the side end surface of the hard metal plate, and an end portion of the nickel layer extends beyond the rear end portion of the side end surface of the aluminum plate and is jointed to the plate surface of the aluminum plate with the end portion exposed thereon. The average width W of the exposed portion of the nickel layer exposed on the plate surface is preferably from about 0.2 mm to about 1.5 mm.
    Type: Grant
    Filed: January 8, 2010
    Date of Patent: August 12, 2014
    Assignee: Neomax Materials Co., Ltd.
    Inventors: Yoshimitsu Oda, Masaaki Ishio, Toshiaki Fujita
  • Patent number: 8785029
    Abstract: A connection plate for battery terminals capable of inhibiting a base and a battery terminal connection portion from being detached from each other is provided. This connection plate for battery terminals (2) includes a battery terminal connection portion (4) fitted into a second hole (31) of a base (3) made of first metal, including a hole for connection (42) into which a second battery terminal (1b) is inserted and a flange portion (4b), while the battery terminal connection portion is constituted by at least a first layer (40) made of second metal, arranged on a side opposite to the base and a second layer (41) made of third metal, arranged between the base and the first layer.
    Type: Grant
    Filed: December 7, 2011
    Date of Patent: July 22, 2014
    Assignee: Neomax Materials Co., Ltd.
    Inventors: Yoshimitsu Oda, Masaharu Yamamoto, Masaaki Ishio
  • Publication number: 20140178755
    Abstract: A negative-electrode terminal for a cell in which separation between a first metal layer and a second metal layer hardly takes place is provided by suppressing excess formation of an intermetallic compound on a bond interface between the first metal layer and the second metal layer. This negative-electrode terminal for a cell includes a clad portion formed by bonding a first metal layer made of Al or an Al alloy and a second metal layer containing Ni and Cu and consisting of one or a plurality of layers to each other. The first metal layer includes a connected region connected with a cell terminal connecting plate and a stacked region adjacent to the connected region on the side of the same surface, while the second metal layer is bonded to the first metal layer in the stacked region and configured to be connectable to cell negative electrodes of cells.
    Type: Application
    Filed: August 1, 2012
    Publication date: June 26, 2014
    Applicants: HITACHI METALS, LTD., NEOMAX MATERIALS CO., LTD.
    Inventors: Yoshimitsu Oda, Masaaki Ishio
  • Publication number: 20140099543
    Abstract: A negative electrode terminal for a battery in which a first metal layer and a second metal layer hardly separate from each other is provided by inhibiting an intermetallic compound from being formed between the first metal layer and the second metal layer. This negative electrode terminal (8) for a battery is composed of a clad material formed by bonding a first metal layer (80), made of Al, including a first region connected with a battery terminal connecting plate and an adjacent second region on the same surface side as the first region and a second metal layer (81), made of Ni, connected with battery negative electrodes, while the second metal layer is arranged to be stacked on the first metal layer in the second region of the first metal layer.
    Type: Application
    Filed: May 31, 2012
    Publication date: April 10, 2014
    Applicants: HITACHI METALS, LTD., NEOMAX MATERIALS CO., LTD.
    Inventors: Yoshimitsu Oda, Masaaki Ishio
  • Publication number: 20140011074
    Abstract: The present invention relates to a lithium ion battery employed by connecting the positive electrode side to a negative electrode portion made of Cu or a Cu alloy by a bus bar made of Al or an Al alloy and provides a negative electrode terminal for a lithium ion battery capable of providing sufficient bonding strength between the negative electrode portion and the bus bar when the negative electrode portion and the bus bar are metallurgically bonded to each other by resistance welding or the like, for example. This negative electrode terminal for a lithium ion battery is made of a clad material having a first metal layer made of Al or an Al alloy and a second metal layer made of Cu or a Cu alloy bonded to each other through a reaction-suppressing layer suppressing a reaction therebetween.
    Type: Application
    Filed: September 13, 2013
    Publication date: January 9, 2014
    Applicants: HITACHI METALS, LTD., NEOMAX MATERIALS CO., LTD.
    Inventors: Yoshimitsu Oda, Masaaki Ishio, Yasuto Nozawa
  • Publication number: 20130340820
    Abstract: This metal substrate for a dye-sensitized solar cell includes a clad material including a nonporous first metal layer, arranged on an anode side of a dye-sensitized solar cell element, made of a metal having corrosion resistance against an electrolyte of the dye-sensitized solar cell element and a second metal layer made of a metal having lower electrical resistance than the first metal layer and bonded to a side of the first metal layer opposite to the dye-sensitized solar cell element.
    Type: Application
    Filed: June 22, 2012
    Publication date: December 26, 2013
    Applicant: NEOMAX MATERIALS CO., LTD.
    Inventors: Ryouji Inoue, Shinji Yamamoto, Keita Watanabe, Masaaki Ishio
  • Publication number: 20130316217
    Abstract: A connection plate for battery terminals capable of inhibiting a base and a battery terminal connection portion from being detached from each other is provided.
    Type: Application
    Filed: December 7, 2011
    Publication date: November 28, 2013
    Applicant: NEOMAX MATERIALS CO., LTD.
    Inventors: Yoshimitsu Oda, Masaharu Yamamoto, Masaaki Ishio
  • Publication number: 20130309919
    Abstract: A connection plate for battery terminals capable of inhibiting a first member and a second member from being detached from each other is provided. This bus bar 2 (connection plate for battery terminals) includes a first member (3) including a first hole (30) and an embedding hole (31), made of first metal and a second member (4) having a second hole (42), including a base (40) made of second metal, embedded in the embedding hole of the first member, while an intermetallic compound layer (5) containing at least one of the first metal and the second metal is formed on an interface between the embedding hole of the first member and the second member.
    Type: Application
    Filed: January 19, 2012
    Publication date: November 21, 2013
    Applicant: NEOMAX MATERIALS CO., LTD.
    Inventors: Yoshimitsu Oda, Masaharu Yamamoto, Masaaki Ishio
  • Patent number: 8551623
    Abstract: Provided is an airtightly sealing cap, by which a use quantity of Au is reduced in a soldering material for sealing a miniaturized electronic component storing package. An airtightly sealing cap (10) is used for an electronic component storing package (100) which includes an electronic component storing member (20) for storing an electronic component (40). The airtightly sealing cap is provided with a base material (1); a base layer (2) which is formed on the surface of the base material and contains Ni; and a soldering material layer (6), which is formed on the base layer, has a thickness of 10 ?m or less and composed of Au and Sn. The content percentage of Au in the soldering material layer is 43 mass % or more but not more than 64 mass %.
    Type: Grant
    Filed: February 19, 2008
    Date of Patent: October 8, 2013
    Assignee: Neomax Materials Co., Ltd.
    Inventors: Masaharu Yamamoto, Takayuki Furujo