Patents by Inventor Shinji Arimoto

Shinji Arimoto 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: 11251428
    Abstract: A method for manufacturing a positive electrode active material includes: (a) preparing a fired powder of a lithium nickel composite oxide by mixing a nickel compound selected from a nickel hydroxide including nickel, and an element selected from other transition metal elements, elements of the second group and elements of the thirteenth group of the Periodic System, a nickel oxyhydroxide thereof, and a nickel oxide obtained by roasting thereof, and a lithium compound, and firing the mixture at a maximum temperature of 650° C. to 850° C. under oxygen atmosphere; and (b) preparing a lithium nickel composite oxide powder by mixing the fired powder with water to obtain a slurry, washing the fired powder with water at a temperature of 10° C. to 40° C., while controlling an electrical conductivity of a liquid portion of the slurry to 30 mS/cm to 60 mS/cm, then filtering and drying the resultant fired powder.
    Type: Grant
    Filed: February 7, 2020
    Date of Patent: February 15, 2022
    Assignees: SUMITOMO METAL MINING CO., LTD., PANASONIC CORPORATION
    Inventors: Tomoko Iwanaga, Hideo Sasaoka, Satoshi Matsumoto, Yutaka Kawatate, Shinji Arimoto
  • Patent number: 11186757
    Abstract: A resin composition contains at least (a) a polyimide resin having a specific structure and (b) a crosslinker including a fluorene group. The resin composition is capable of bonding an electronic circuit formation substrate or a semiconductor circuit formation substrate and a support substrate together. The resin composition has excellent heat resistance during bonding of an electronic circuit formation substrate or semiconductor circuit formation substrate having a thickness of 1 ?m or more and 100 ?m or less. The resin composition has steady adhesive force through the process of manufacturing an electronic component, a semiconductor device or the like, and can be peeled off under mild conditions at room temperature after the manufacturing process. An adhesive, a resin layer, a laminated film, and a processed wafer containing the resin composition, as well as a method for manufacturing an electronic component or a semiconductor device using these are also disclosed.
    Type: Grant
    Filed: February 3, 2017
    Date of Patent: November 30, 2021
    Assignee: TORAY INDUSTRIES, INC.
    Inventors: Shinji Arimoto, Takenori Fujiwara, Toru Okazawa
  • Publication number: 20210230757
    Abstract: A metal sulfate manufacturing system comprising an electrochemical dissolution system having, an anode electrode that holds metal raw material, a cathode electrode, an electrolyte bath having an inlet to receive an initial acid or metal-acid complex solution and an outlet to discharge the treated metal sulfate solution, stirring equipment that mixes the electrolyte bath, a temperature control system, and a rectifier that supplies current at constant voltage between the anode and cathode electrode.
    Type: Application
    Filed: August 1, 2019
    Publication date: July 29, 2021
    Inventors: Shinji Arimoto, Mikel Dermer, Zhiwen Sun
  • Publication number: 20210139700
    Abstract: A resin composition contains at least (a) a polyimide resin having a specific structure and (b) a crosslinker including a fluorene group. The resin composition is capable of bonding an electronic circuit formation substrate or a semiconductor circuit formation substrate and a support substrate together. The resin composition has excellent heat resistance during bonding of an electronic circuit formation substrate or semiconductor circuit formation substrate having a thickness of 1 ?m or more and 100 ?m or less. The resin composition has steady adhesive force through the process of manufacturing an electronic component, a semiconductor device or the like, and can be peeled off under mild conditions at room temperature after the manufacturing process. An adhesive, a resin layer, a laminated film, and a processed wafer containing the resin composition, as well as a method for manufacturing an electronic component or a semiconductor device using these are also disclosed.
    Type: Application
    Filed: February 3, 2017
    Publication date: May 13, 2021
    Applicant: Toray Industries, Inc.
    Inventors: Shinji Arimoto, Takenori Fujiwara, Toru Okazawa
  • Patent number: 10941320
    Abstract: The present invention provides a temporary-bonding adhesive having excellent heat resistance, whereby a semiconductor circuit formation substrate and a support substrate can be bonded by a single type of adhesive layer, the adhesive force thereof does not change over the course of steps for manufacturing a semiconductor device or the like, and the adhesive can subsequently be easily de-bonded at room temperature under mild conditions; and a method for manufacturing a semiconductor device using the temporary-bonding adhesive. The present invention includes a temporary-bonding adhesive wherein a polyimide copolymer having at least an acid dianhydride residue and a diamine residue, the diamine residue including both of (A1) a polysiloxane-based diamine residue represented by a general formula (1) in which n is a natural number from 1 to 15, and (B1) a polysiloxane-based diamine residue represented by a general formula (1) in which n is a natural number from 16 to 100, the polyimide copolymer containing 40-99.
    Type: Grant
    Filed: November 12, 2018
    Date of Patent: March 9, 2021
    Assignee: TORAY INDUSTRIES, INC.
    Inventors: Shinji Arimoto, Takenori Fujiwara, Masao Tomikawa
  • Publication number: 20200176773
    Abstract: A method for manufacturing a positive electrode active material includes: (a) preparing a fired powder of a lithium nickel composite oxide by mixing a nickel compound selected from a nickel hydroxide including nickel, and an element selected from other transition metal elements, elements of the second group and elements of the thirteenth group of the Periodic System, a nickel oxyhydroxide thereof, and a nickel oxide obtained by roasting thereof, and a lithium compound, and firing the mixture at a maximum temperature of 650° C. to 850° C. under oxygen atmosphere; and (b) preparing a lithium nickel composite oxide powder by mixing the fired powder with water to obtain a slurry, washing the fired powder with water at a temperature of 10° C. to 40° C., while controlling an electrical conductivity of a liquid portion of the slurry to 30 mS/cm to 60 mS/cm, then filtering and drying the resultant fired powder.
    Type: Application
    Filed: February 7, 2020
    Publication date: June 4, 2020
    Applicants: SUMITOMO METAL MINING CO., LTD., PANASONIC CORPORATION
    Inventors: Tomoko Iwanaga, Hideo Sasaoka, Satoshi Matsumoto, Yutaka Kawatate, Shinji Arimoto
  • Patent number: 10601038
    Abstract: A positive electrode active material for a nonaqueous electrolyte secondary battery that is constituted by a lithium nickel composite oxide that combines a high capacity with excellent thermal stability, a manufacturing method suitable for industrial production, and a nonaqueous electrolyte secondary battery of high safety. A positive electrode active material for a nonaqueous electrolyte secondary battery includes a lithium nickel composite oxide represented by the following composition formula (1): LibNi1-aM1aO2??(1) (where M1 represents at least one element selected from transition metal elements other than Ni, elements of the second group of the Periodic System and elements of the thirteenth group of the Periodic System; a satisfies the condition 0.01?a?0.5; and b satisfies the condition 0.85?b?1.05). The content of carbon in the lithium nickel composite oxide is equal to or less than 0.08% by mass.
    Type: Grant
    Filed: May 28, 2012
    Date of Patent: March 24, 2020
    Assignees: SUMITOMO METAL MINING CO., LTD., PANASONIC CORPORATION
    Inventors: Tomoko Iwanaga, Hideo Sasaoka, Satoshi Matsumoto, Yutaka Kawatate, Shinji Arimoto
  • Patent number: 10541413
    Abstract: A method of manufacturing a cathode material for a lithium ion cell comprises: generating a lithium nickel composite oxide material in a manufacturing process, wherein the manufacturing process results in residual lithium being present in the lithium nickel composite oxide material; washing the lithium nickel composite oxide material to remove at least part of the residual lithium, wherein the washing provides the lithium nickel composite oxide material with a moisture content; and drying the lithium nickel composite oxide material to remove at least part of the moisture content, the drying performed in an environment of substantially only an inert gas or air essentially free of carbon dioxide.
    Type: Grant
    Filed: April 11, 2016
    Date of Patent: January 21, 2020
    Assignee: Tesla, Inc.
    Inventors: Shinji Arimoto, Kunio Tsuruta, Rene Leblanc, Ryan Melsert
  • Publication number: 20190080952
    Abstract: The present invention provides a temporary-bonding adhesive having excellent heat resistance, whereby a semiconductor circuit formation substrate and a support substrate can be bonded by a single type of adhesive layer, the adhesive force thereof does not change over the course of steps for manufacturing a semiconductor device or the like, and the adhesive can subsequently be easily de-bonded at room temperature under mild conditions; and a method for manufacturing a semiconductor device using the temporary-bonding adhesive. The present invention includes a temporary-bonding adhesive wherein a polyimide copolymer having at least an acid dianhydride residue and a diamine residue, the diamine residue including both of (A1) a polysiloxane-based diamine residue represented by a general formula (1) in which n is a natural number from 1 to 15, and (B1) a polysiloxane-based diamine residue represented by a general formula (1) in which n is a natural number from 16 to 100, the polyimide copolymer containing 40-99.
    Type: Application
    Filed: November 12, 2018
    Publication date: March 14, 2019
    Applicant: Toray Industries, Inc.
    Inventors: Shinji Arimoto, Takenori Fujiwara, Masao Tomikawa
  • Patent number: 10177022
    Abstract: The present invention provides a temporary-bonding adhesive having excellent heat resistance, whereby a semiconductor circuit formation substrate and a support substrate can be bonded by a single type of adhesive layer, the adhesive force thereof does not change over the course of steps for manufacturing a semiconductor device or the like, and the adhesive can subsequently be easily de-bonded at room temperature under mild conditions; and a method for manufacturing a semiconductor device using the temporary-bonding adhesive. The present invention includes a temporary-bonding adhesive wherein a polyimide copolymer having at least an acid dianhydride residue and a diamine residue, the diamine residue including both of (A1) a polysiloxane-based diamine residue represented by a general formula (1) in which n is a natural number from 1 to 15, and (B1) a polysiloxane-based diamine residue represented by a general formula (1) in which n is a natural number from 16 to 100, the polyimide copolymer containing 40-99.
    Type: Grant
    Filed: August 5, 2015
    Date of Patent: January 8, 2019
    Assignee: Toray Industries, Inc.
    Inventors: Shinji Arimoto, Takenori Fujiwara, Masao Tomikawa
  • Publication number: 20180281361
    Abstract: The present invention provides a laminate film for temporary bonding which is excellent in heat resistance, capable of providing a flat film even at the periphery of a substrate, and capable of making a semiconductor circuit formation substrate and a support substrate or a support film layer adhere to each other with one type of adhesive, and which can be peeled off at room temperature under mild conditions. The present invention provides a laminate film for temporary bonding, including at least three layers of (A) a protective film layer, (B) an adhesive layer, and (C) a support film layer, wherein the adhesive layer (B) contains at least a siloxane polymer represented by a specific general formula or a compound represented by a specific general formula.
    Type: Application
    Filed: October 24, 2016
    Publication date: October 4, 2018
    Applicant: TORAY INDUSTRIES, INC.
    Inventors: Takuro ODA, Shinji ARIMOTO, Takenori FUJIWARA
  • Publication number: 20170294652
    Abstract: A method of manufacturing a cathode material for a lithium ion cell comprises: generating a lithium nickel composite oxide material in a manufacturing process, wherein the manufacturing process results in residual lithium being present in the lithium nickel composite oxide material; washing the lithium nickel composite oxide material to remove at least part of the residual lithium, wherein the washing provides the lithium nickel composite oxide material with a moisture content; and drying the lithium nickel composite oxide material to remove at least part of the moisture content, the drying performed in an environment of substantially only an inert gas or air essentially free of carbon dioxide.
    Type: Application
    Filed: April 11, 2016
    Publication date: October 12, 2017
    Inventors: Shinji ARIMOTO, Kunio TSURUTA, Rene LEBLANC, Ryan MELSERT
  • Publication number: 20170221746
    Abstract: The present invention provides a temporary-bonding adhesive having excellent heat resistance, whereby a semiconductor circuit formation substrate and a support substrate can be bonded by a single type of adhesive layer, the adhesive force thereof does not change over the course of steps for manufacturing a semiconductor device or the like, and the adhesive can subsequently be easily de-bonded at room temperature under mild conditions; and a method for manufacturing a semiconductor device using the temporary-bonding adhesive. The present invention includes a temporary-bonding adhesive wherein a polyimide copolymer having at least an acid dianhydride residue and a diamine residue, the diamine residue including both of (A1) a polysiloxane-based diamine residue represented by a general formula (1) in which n is a natural number from 1 to 15, and (B1) a polysiloxane-based diamine residue represented by a general formula (1) in which n is a natural number from 16 to 100, the polyimide copolymer containing 40-99.
    Type: Application
    Filed: August 5, 2015
    Publication date: August 3, 2017
    Applicant: TORAY INDUSTRIES, INC.
    Inventors: Shinji Arimoto, Takenori Fujiwara, Masao Tomikawa
  • Patent number: 9325005
    Abstract: A lithium nickel composite oxide, having small inner resistance, large battery capacity and high thermal stability, can be used as a positive electrode active material for a non-aqueous electrolyte secondary battery. The positive electrode active material is composed of the lithium nickel composite oxide of LibNi1-aMaO2 (wherein M represents at least one element selected from a transition metal element other than Ni, the second group element and the thirteenth group element; a satisfies 0.01?a?0.5; and b satisfies 0.9?b?1.1). This is obtained by filtering and drying the fired powder after water washing, wherein it is dried at 90° C. or lower, till moisture is reduced to 1% or less by mass in drying, and then at 120° C., and under gas atmosphere where content of compound components containing carbon is 0.01% or less by volume, or under vacuum atmosphere.
    Type: Grant
    Filed: July 28, 2010
    Date of Patent: April 26, 2016
    Assignees: SUMITOMO METAL MINING CO., LTD., PANASONIC CORPORATION
    Inventors: Satoshi Matsumoto, Isao Abe, Yutaka Kawatate, Norihiro Yamamoto, Shinji Arimoto
  • Publication number: 20140186709
    Abstract: A positive electrode active material for a nonaqueous electrolyte secondary battery that is constituted by a lithium nickel composite oxide that combines a high capacity with excellent thermal stability, a manufacturing method suitable for industrial production, and a nonaqueous electrolyte secondary battery of high safety. A positive electrode active material for a nonaqueous electrolyte secondary battery includes a lithium nickel composite oxide represented by the following composition formula (1): LibNi1-aM1aO2??(1) (where M1 represents at least one element selected from transition metal elements other than Ni, elements of the second group of the Periodic System and elements of the thirteenth group of the Periodic System; a satisfies the condition 0.01?a?0.5; and b satisfies the condition 0.85?b?1.05). The content of carbon in the lithium nickel composite oxide is equal to or less than 0.08% by mass.
    Type: Application
    Filed: May 28, 2012
    Publication date: July 3, 2014
    Applicants: PANASONIC CORPORATION, SUMITOMO METAL MINING CO., LTD.
    Inventors: Tomoko Iwanaga, Hideo Sasaoka, Satoshi Matsumoto, Yutaka Kawatate, Shinji Arimoto
  • Publication number: 20120292561
    Abstract: A positive electrode active material for non-aqueous electrolyte secondary battery composed of a lithium nickel composite oxide having high capacity and superior heat stability, a production method that is suitable for its industrial production, and a non-aqueous electrolyte secondary battery having high safety. The positive electrode active material for non-aqueous electrolyte secondary battery includes a lithium nickel composite oxide having by the following general formula (1): LibNi1-aM1aO2??(1) (wherein M1 represents at least one kind of element selected from transition metal elements other than Ni, the second group elements and the thirteenth group elements; a satisfies 0.01?a?0.5; and b satisfies 0.85?b?1.05). The amount of lithium at the surface of the lithium nickel composite oxide is 0.10% by mass or lower. The positive electrode active material is obtained by water washing fired powder at a temperature range of 10 to 40° C., and then filtering and drying the same.
    Type: Application
    Filed: January 13, 2011
    Publication date: November 22, 2012
    Applicants: PANASONIC CORPORATION, SUMITOMO METAL MINING CO., LTD.
    Inventors: Hideo Sasaoka, Tomoko Iwanaga, Satoshi Matsumoto, Yutaka Kawatate, Shinji Arimoto
  • Publication number: 20120119167
    Abstract: A lithium nickel composite oxide, having small inner resistance, large battery capacity and high thermal stability, can be used as a positive electrode active material for a non-aqueous electrolyte secondary battery. The positive electrode active material is composed of the lithium nickel composite oxide of LibNi1-aMaO2 (wherein M represents at least one element selected from a transition metal element other than Ni, the second group element and the thirteenth group element; a satisfies 0.01?a?0.5; and b satisfies 0.9?b?1.1). This is obtained by filtering and drying the fired powder after water washing, wherein it is dried at 90° C. or lower, till moisture is reduced to 1% or less by mass in drying, and then at 120° C., and under gas atmosphere where content of compound components containing carbon is 0.01% or less by volume, or under vacuum atmosphere.
    Type: Application
    Filed: July 28, 2010
    Publication date: May 17, 2012
    Applicants: PANASONIC CORPORATION, SUMITOMO METAL MINING CO., LTD.
    Inventors: Satoshi Matsumoto, Isao Abe, Yutaka Kawatate, Norihiro Yamamoto, Shinji Arimoto
  • Patent number: 8158324
    Abstract: A positive-type photosensitive resin composition, including: (a) a novolac resin; (b) a polymer including, as a main component, a structure represented by formula (1) and/or formula (2): ?(wherein R1 and R2 may be the same or different and each represent an organic group having at least two carbon atoms and a valence of 2 to 8, R3 and R4 may be the same or different and each represent hydrogen or a monovalent organic group of 1 to 20 carbon atoms, —NH—R5 in formula (1) and —CO—R6 in formula (2) each represent a polymer end group, R5 and R6 each represent a monovalent organic group having 2 to 30 carbon atoms which includes an unsaturated hydrocarbon group, n is in the range of 10 to 100,000, l and m each represent an integer of 0 to 2, and p and q each represent an integer of 0 to 4, provided that p+q>0; (c) a quinone diazide compound; (d) an alkoxymethyl group-containing compound; and (e) a solvent.
    Type: Grant
    Filed: February 5, 2008
    Date of Patent: April 17, 2012
    Assignee: TORAY Industries, Inc.
    Inventors: Yoji Fujita, Shinji Arimoto, Rinsei Ike
  • Publication number: 20110136069
    Abstract: The present invention has an object to provide burning equipment that can prevent uneven burning and increase productivity. The burning equipment of the present invention includes: a furnace body (13) having an inner space in which a powdery or granular subject to be treated (11) is burned; a gas ejection portion (21) having an opening for ejecting an atmospheric gas from above the subject to be treated (11) which is conveyed in the inner space of the furnace body (13); a gas supply portion (18) for supplying the atmospheric gas from a side wall (13c) of the furnace body (13) to the gas ejection portion (21); and a heating portion (24a, 24b) for controlling temperature distribution in the inner space of the furnace body (13).
    Type: Application
    Filed: May 25, 2010
    Publication date: June 9, 2011
    Applicant: PANASONIC CORPORATION
    Inventors: Naoya Ryoki, Naoko Matsuda, Hiroyuki Naka, Shinji Arimoto
  • Patent number: 7939202
    Abstract: A method for producing a lithium-containing transition metal oxide represented by the general formula: Li[Lix(NiaM1?a)1?x]O2 where M is metal other than Li and Ni, 0?x, and 0<a. The method includes: (i) mixing a transition metal compound containing Ni and M in a molar ratio of a:(1?a) with lithium carbonate in a predetermined ratio; (ii) causing the temperature of the mixture to reach a predetermined temperature range while repeatedly raising and lowering the temperature thereof; and (iii) thereafter reacting the transition metal compound with the lithium carbonate in the predetermined temperature range.
    Type: Grant
    Filed: February 3, 2009
    Date of Patent: May 10, 2011
    Assignee: Panasonic Corporation
    Inventors: Takahiro Sakamoto, Hidekazu Hiratsuka, Shinji Arimoto