Patents by Inventor Yoshihiro Nakai

Yoshihiro Nakai 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).

  • COMPOSITION FOR ULTRASONIC PROBE, AND SILICONE RESIN FOR ULTRASONIC PROBE
    Publication number: 20170000455
    Abstract: A composition for an ultrasonic probe contains: a mixture including at least three different polyorganosiloxanes, in which the mixture includes (A) a polyorganosiloxane having a vinyl group, (B) a polyorganosiloxane having two or more Si—H groups in a molecular chain, and (C) a branched polyorganosiloxane represented by the following General Formula (C), and the content of the polyorganosiloxanes (A), (B), and (C) is respectively 10 to 99.4 parts by mass, 0.5 to 90 parts by mass, and 0.1 to 40 parts by mass, with respect to 100 parts by mass of the total mass of the polyorganosiloxanes mixture. R1 to R4 each independently represent an alkyl group, a cycloalkyl group, an alkenyl group, or an aryl group. m represents an integer of 1 or more and n represents 0 or an integer of 1 to 5. At least two of a plurality of R4's are alkenyl groups.
    Type: Application
    Filed: September 19, 2016
    Publication date: January 5, 2017
    Applicant: FUJIFILM Corporation
    Inventor: Yoshihiro NAKAI
  • ALUMINUM ALLOY WIRE
    Publication number: 20160326618
    Abstract: An aluminum alloy wire having excellent bending characteristics, strength, and electrically conductive characteristics, an aluminum alloy stranded wire, a covered electric wire including the above-described alloy wire or stranded wire, and a wire harness including the covered electric wire are provided. The aluminum alloy wire contains not less than 0.1% and not more than 1.5% by mass of Mg, not less than 0.03% and not more than 2.0% of Si, not less than 0.05% and not more than 0.5% of Cu, and a remainder including Al and an impurity, satisfies 0.8?Mg/Si ratio by mass ?3.5, has an electrical conductivity from 35% IACS to 58% IACS, a tensile strength from 150 MPa to 400 MPa, and an elongation not less than 2%. The aluminum alloy wire is manufactured through the steps of casting?rolling?wiredrawing?solution heat treatment.
    Type: Application
    Filed: July 19, 2016
    Publication date: November 10, 2016
    Inventors: Misato KUSAKARI, Taichiro NISHIKAWA, Yoshihiro NAKAI, Yoshiyuki TAKAKI, Yasuyuki OTSUKA
  • Aluminum-based terminal fitting
    Patent number: 9490550
    Abstract: Provided are an aluminum-based terminal fitting in which a Sn layer has high peel resistance, and a terminal connecting structure of an electric wire provided with the terminal fitting. The aluminum-based terminal fitting includes a wire barrel portion (110) for connection to a conductor (210) constituted by aluminum or an aluminum alloy and provided in an electric wire (200), and a fitting portion (female fitting portion (130) or male fitting portion (140)) provided to extend from the wire barrel portion (110) and electrically connected to a separate terminal fitting. A Sn layer formed directly on a base material constituting the terminal fitting is provided on the contact region in the fitting portion.
    Type: Grant
    Filed: August 22, 2012
    Date of Patent: November 8, 2016
    Assignees: AUTONETWORKS TECHNOLOGIES, LTD., SUMITOMO ELECTRIC INDUSTRIES, LTD., SUMITOMO WIRING SYSTEMS, LTD.
    Inventors: Takuji Otsuka, Hiroki Hirai, Junichi Ono, Kingo Furukawa, Teruyoshi Munekata, Hajime Ota, Yoshihiro Nakai, Taichiro Nishikawa, Tetsuya Kuwabara, Yoshiyuki Takaki, Hiroyuki Kobayashi
  • Electronic key system, and lock-side terminal and portable terminal employed in same
    Patent number: 9466162
    Abstract: An electronic key system includes a lock-side terminal that is mounted in a locked object and capable of at least locking and unlocking the locked object, and a portable terminal capable of sending and receiving the electronic key to and from the lock-side terminal mounted in the locked object and the other portable terminals, and when receiving a request from the one portable terminal, the lock-side terminal generates the electronic key at random, and sends the randomly generated electronic key to the one portable terminal.
    Type: Grant
    Filed: November 22, 2011
    Date of Patent: October 11, 2016
    Assignee: MITSUBISHI ELECTRIC COPORATION
    Inventors: Yoshihiro Nakai, Yasuaki Takimoto, Masahiro Abukawa, Takeshi Mitsui, Hisao Nakano
  • COPPER ALLOY WIRE, COPPER ALLOY STRANDED WIRE, ELECTRIC WIRE, TERMINAL-FITTED ELECTRIC WIRE, AND METHOD OF MANUFACTURING COPPER ALLOY WIRE
    Publication number: 20160284437
    Abstract: Provided are: a copper alloy wire having an excellent electrical conductivity, a high strength, and an excellent elongation; a copper alloy stranded wire including the copper alloy wire; an electric wire including the copper alloy wire or the copper alloy stranded wire as a conductor; a terminal-fitted electric wire including the aforementioned electric wire; and a method of manufacturing a copper alloy wire. The copper alloy wire has a composition including: not less than 0.2% by mass and not more than 1% by mass of Mg; not less than 0.02% by mass and not more than 0.1% by mass of P; and the balance including Cu and inevitable impurities. The copper alloy wire has an electrical conductivity of not less than 60% IACS, a tensile strength of not less than 400 MPa, and an elongation at breakage of not less than 5%.
    Type: Application
    Filed: December 5, 2014
    Publication date: September 29, 2016
    Inventors: Akiko Inoue, Tetsuya Kuwabara, Yoshihiro Nakai, Taichiro Nishikawa, Hiroyuki Kobayashi
  • Aluminum alloy wire
    Patent number: 9422612
    Abstract: An aluminum alloy wire having excellent bending characteristics, strength, and electrically conductive characteristics, an aluminum alloy stranded wire, a covered electric wire including the above-described alloy wire or stranded wire, and a wire harness including the covered electric wire are provided. The aluminum alloy wire contains not less than 0.1% and not more than 1.5% by mass of Mg, not less than 0.03% and not more than 2.0% of Si, not less than 0.05% and not more than 0.5% of Cu, and a remainder including Al and an impurity, satisfies 0.8?Mg/Si ratio by mass ?3.5, has an electrical conductivity from 35% IACS to 58% IACS, a tensile strength from 150 MPa to 400 MPa, and an elongation not less than 2%. The aluminum alloy wire is manufactured through the steps of casting?rolling?wiredrawing?solution heat treatment.
    Type: Grant
    Filed: October 27, 2010
    Date of Patent: August 23, 2016
    Assignees: SUMITOMO ELECTRIC INDUSTRIES, LTD., AUTONETWORKS TECHNOLOGIES, LTD., SUMITOMO WIRING SYSTEMS, LTD.
    Inventors: Misato Kusakari, Taichiro Nishikawa, Yoshihiro Nakai, Yoshiyuki Takaki, Yasuyuki Otsuka
  • FLEXIBLE TUBE FOR AN ENDOSCOPE, ADHESIVE FOR AN ENDOSCOPE, ENDOSCOPE-TYPE MEDICAL DEVICE, AS WELL AS METHOD OF PRODUCING A FLEXIBLE TUBE FOR AN ENDOSCOPE AND METHOD OF PRODUCING AN ENDOSCOPE-TYPE MEDICAL DEVICE
    Publication number: 20160088998
    Abstract: A flexible tube for an endoscope, containing: a tubular flexible tube substrate material having a flexibility; and a resin layer covering the flexible tube substrate material, in which the resin layer is adhered to the flexible tube substrate material with an adhesive hardened, the adhesive hardened contains an ester-based polyurethane resin, which is a hardened resin of an adhesive for an endoscope, and the adhesive for an endoscope contains an ester-based urethane polymer having a structure represented by a specific formula.
    Type: Application
    Filed: September 28, 2015
    Publication date: March 31, 2016
    Applicant: FUJIFILM CORPORATION
    Inventors: Takayasu NAGAI, Yoshihiro NAKAI
  • COMPOSITION FOR ACOUSTIC-WAVE PROBE, AND SILICONE RESIN FOR ACOUSTIC-WAVE PROBE, ACOUSTIC-WAVE PROBE AND ULTRASONIC PROBE USING THE SAME, AS WELL AS DEVICE FOR MEASURING ACOUSTIC WAVE, ULTRASONIC DIAGNOSIS DEVICE, DEVICE FOR MEASURING PHOTO ACOUSTIC WAVE AND ULTRASONIC ENDOSCOPE
    Publication number: 20160051228
    Abstract: A composition for an acoustic-wave probe, containing a polysiloxane mixture, in which the polysiloxane mixture contains: a polysiloxane having a vinyl group; a polysiloxane having at least two Si—H groups in the molecular chain thereof; and silica particles having an average primary particle size of less than 12 nm.
    Type: Application
    Filed: August 21, 2015
    Publication date: February 25, 2016
    Applicant: FUJIFILM Corporation
    Inventors: Yoshihiro NAKAI, Atsushi OSAWA
  • Terminal connector, electric wire with terminal connector, and method of connecting terminal connector and electric wire
    Patent number: 9252505
    Abstract: An object is to obtain a stable electric connection resistance under a mild crimping condition. The present invention is a terminal connector 12 that includes a crimp portion 30 to be crimped to an electric wire. The crimp portion 30 includes a base material, an aluminum layer or an aluminum alloy layer a surface on the base material, and a hard layer on a surface of the aluminum layer or the aluminum alloy layer. The hard layer is harder than the base material. The present invention may be an electric wire with a terminal connector 10 that includes the above terminal connector 12 and a covered electric wire 40 that includes a core wire 42 made of aluminum or aluminum alloy. The crimp portion 30 of the terminal connector 12 is crimped to the core wire 42.
    Type: Grant
    Filed: August 30, 2012
    Date of Patent: February 2, 2016
    Assignees: AUTONETWORKS TECHNOLOGIES, LTD., SUMITOMO WIRING SYSTEMS, LTD., SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventors: Takuji Otsuka, Hiroki Hirai, Junichi Ono, Kingo Furukawa, Teruyoshi Munekata, Hajime Ota, Yoshihiro Nakai, Taichiro Nishikawa, Tetsuya Kuwabara, Yoshiyuki Takaki, Hiroyuki Kobayashi
  • FLEXIBLE TUBE FOR ENDOSCOPES AND METHOD FOR PRODUCING SAME
    Publication number: 20160024343
    Abstract: The present invention provides a flexible tube having a cylindrical flexible tube base that has flexibility and a resin layer that coats the flexible tube base, in which the resin layer is configured by at least two layers of a first layer that contains a specific resin and a second layer that contains a specific resin, or in which the resin layer is a single layer or multiple layers of two or more layers, and a layer A that is any of the resin layers includes polyester elastomers, and, hindered phenol compounds or hindered amine compounds.
    Type: Application
    Filed: September 17, 2015
    Publication date: January 28, 2016
    Applicant: FUJIFILM CORPORATION
    Inventors: Yoshihiro NAKAI, Kiyotaka FUKAGAWA, Nobuharu TAKAHASHI, Kazuya TAKEUCHI
  • Organic semiconductor polymer, composition for organic semiconductor material, and photovoltaic cell
    Patent number: 9246102
    Abstract: An organic semiconductor polymer comprising a structural unit represented by the following Formula (I), a composition for organic semiconductor material, a photovoltaic cell and a polymer. wherein Z1 and Z2 each independently represent S, O, Se or Te; R represents —SOpX, —CN, —NO2, —P(?O)(OR1,)(OR2) or —C(R1?)?C(CN)2; X represents a hydrogen atom, an alkyl group, a cycloalkyl group, an aryl group, an aromatic heterocyclic group or —NR3(R4); R1, R2, R1,, R3 and R4 each independently represent a hydrogen atom, an alkyl group, a cycloalkyl group, an aryl group or an aromatic heterocyclic group; R3 and R4 may bond with each other to form a ring; and p represents 1 or 2.
    Type: Grant
    Filed: September 24, 2013
    Date of Patent: January 26, 2016
    Assignee: FUJIFILM Corporation
    Inventors: Yoshihiro Nakai, Hiroki Sugiura, Kiyoshi Takeuchi
  • LINEAR OBJECT AND BOLT, INCLUDING A MAGNESIUM ALLOY
    Publication number: 20150362006
    Abstract: There is provided a linear object comprising magnesium-alloy having not only excellent heat resistance but also excellent plastic formability. The linear object comprising magnesium-alloy contains, on a mass percent basis, 0.1% to 6% Y, one or more elements selected from the group consisting of 0.1% to 6% Al, 0.01% to 2% Zn, 0.01% to 2% Mn, 0.1% to 6% Sn, 0.01% to 2% Ca, 0.01% to 2% Si, 0.01% to 2% Zr, and 0.01% to 2% Nd, and the balance being Mg and incidental impurities, in which the linear object comprising magnesium-alloy has a creep strain of 1.0% or less, the creep strain being determined by a creep test at a temperature of 150° C. and a stress of 75 MPa for 100 hours.
    Type: Application
    Filed: August 26, 2015
    Publication date: December 17, 2015
    Inventors: Tetsuya KUWABARA, Taichirou NISHIKAWA, Yoshihiro NAKAI, Toru TANJI, Misato KUSAKARI
  • Organic photovoltaic cell, organic semiconductor polymer and composition for organic semiconductor material used therefor
    Patent number: 9214634
    Abstract: An organic photovoltaic cell, containing a first electrode; a second electrode; and a photoelectric conversion layer between the first electrode and the second electrode, wherein the photoelectric conversion layer contains a polymer having a structural unit represented by formula (I): wherein X represents S, NR2, O, Se or Te; Y represents NR2, O, Te, SO, SO2 or CO; and R1 and R2 represent a hydrogen atom or a substituent.
    Type: Grant
    Filed: March 27, 2014
    Date of Patent: December 15, 2015
    Assignee: FUJIFILM Corporation
    Inventors: Naoyuki Hanaki, Yoshihiro Nakai, Kiyoshi Takeuchi, Hiroki Sugiura
  • ALUMINUM ALLOY WIRE
    Publication number: 20150357072
    Abstract: An aluminum alloy, an aluminum alloy wire, an aluminum alloy stranded wire, a covered electric wire, and a wire harness that are of high toughness and high electrical conductivity, and a method of manufacturing an aluminum alloy wire are provided. The aluminum alloy wire contains not less than 0.005% and not more than 2.2% by mass of Fe, and a remainder including Al and an impurity. It may further contain not less than 0.005% and not more than 1.0% by mass in total of at least one additive element selected from Mg, Si, Cu, Zn, Ni, Mn, Ag, Cr, and Zr. The Al alloy wire has an electrical conductivity of not less than 58% IACS and an elongation of not less than 10%. The Al alloy wire is manufactured through the successive steps of casting, rolling, wiredrawing, and softening treatment.
    Type: Application
    Filed: August 17, 2015
    Publication date: December 10, 2015
    Inventors: Misato KUSAKARI, Yoshihiro NAKAI, Taichirou NISHIKAWA, Yoshiyuki TAKAKI, Yasuyuki OOTSUKA
  • Aluminum alloy wire
    Patent number: 9147504
    Abstract: An aluminum alloy, an aluminum alloy wire, an aluminum alloy stranded wire, a covered electric wire, and a wire harness that are of high toughness and high electrical conductivity, and a method of manufacturing an aluminum alloy wire are provided. The aluminum alloy wire contains not less than 0.005% and not more than 2.2% by mass of Fe, and a remainder including Al and an impurity. It may further contain not less than 0.005% and not more than 1.0% by mass in total of at least one additive element selected from Mg, Si, Cu, Zn, Ni, Mn, Ag, Cr, and Zr. The Al alloy wire has an electrical conductivity of not less than 58% IACS and an elongation of not less than 10%. The Al alloy wire is manufactured through the successive steps of casting, rolling, wiredrawing, and softening treatment.
    Type: Grant
    Filed: December 19, 2012
    Date of Patent: September 29, 2015
    Assignees: SUMITOMO ELECTRIC INDUSTRIES, LTD., AUTONETWORKS TECHNOLOGIES, LTD., SUMITOMO WIRING SYSTEMS, LTD., SUMITOMO ELECTRIC TOYAMA CO., LTD.
    Inventors: Misato Kusakari, Yoshihiro Nakai, Taichirou Nishikawa, Yoshiyuki Takaki, Yasuyuki Ootsuka
  • COMPOSITE MEMBER
    Publication number: 20150225635
    Abstract: A composite member suitable for a heat radiation member of a semiconductor element and a method of manufacturing the same are provided. This composite member is a composite of magnesium or a magnesium alloy and SiC, and it has porosity lower than 3%. This composite member can be manufactured by forming an oxide film on a surface of raw material SiC, arranging coated SiC having the oxide film formed in a cast, and infiltrating this coated SiC aggregate with a molten metal (magnesium or the magnesium alloy). The porosity of the composite member can be lowered by improving wettability between SiC and the molten metal by forming the oxide film. According to this manufacturing method, a composite member having excellent thermal characteristics such as a coefficient of thermal expansion not lower than 4 ppm/K and not higher than 10 ppm/K and thermal conductivity not lower than 180 W/m·K can be manufactured.
    Type: Application
    Filed: April 10, 2015
    Publication date: August 13, 2015
    Inventors: Isao IWAYAMA, Yoshihiro NAKAI, Taichiro NISHIKAWA, Yoshiyuki TAKAKI, Misato KUSAKARI, Toshiya IKEDA
  • ONBOARD WIRELESS COMMUNICATION APPARATUS AND WIRELESS SET
    Publication number: 20150208364
    Abstract: An onboard wireless communication apparatus 10 includes an in-vehicle informing processor that transmits information that enables a wireless set 20 to recognize that it is located inside a vehicle 100 to the wireless set 20 which is about to carry out wireless communication with a first wireless communication apparatus 11a serving as a communication partner, and which controls, when the wireless set 20 recognizes that it is located inside the vehicle 100, its transmit power in a manner preventing an excessive receiving power level of a second communication apparatus 11b that is carrying out, besides the first wireless communication apparatus 11a, wireless communication inside the vehicle 100 by a wireless communication technique using the same frequency band as the first wireless communication apparatus 11a.
    Type: Application
    Filed: October 5, 2012
    Publication date: July 23, 2015
    Applicant: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Hideki Fukuhara, Takeshi Mitsui, Yoshihiro Nakai, Hiroyuki Yokota
  • Electrode for electric storage device, electric storage device and manufacturing method of electrode for electric storage device
    Patent number: 9048025
    Abstract: An electrode for an electric storage device includes at least an active material selected from the group consisting of a carbon nanotube, activated carbon, hard carbon, graphite, graphene and a carbon nanohorn; an ionic liquid; and a three-dimensional network metal porous body.
    Type: Grant
    Filed: November 13, 2012
    Date of Patent: June 2, 2015
    Assignees: SUMITOMO ELECTRIC INDUSTRIES, LTD., MEIDENSHA CORPORATION
    Inventors: Kazuki Okuno, Akihisa Hosoe, Masatoshi Majima, Yoshihiro Nakai, Takayuki Noguchi, Daisuke Komatsu, Daisuke Iida, Masashi Yamamoto, Masamichi Kuramoto
  • Composite member
    Patent number: 9028959
    Abstract: A composite member suitable for a heat radiation member of a semiconductor element and a method of manufacturing the same are provided. This composite member is a composite of magnesium or a magnesium alloy and SiC, and it has porosity lower than 3%. This composite member can be manufactured by forming an oxide film on a surface of raw material SiC, arranging coated SiC having the oxide film formed in a cast, and infiltrating this coated SiC aggregate with a molten metal (magnesium or the magnesium alloy). The porosity of the composite member can be lowered by improving wettability between SiC and the molten metal by forming the oxide film. According to this manufacturing method, a composite member having excellent thermal characteristics such as a coefficient of thermal expansion not lower than 4 ppm/K and not higher than 10 ppm/K and thermal conductivity not lower than 180 W/m·K can be manufactured.
    Type: Grant
    Filed: October 2, 2009
    Date of Patent: May 12, 2015
    Assignees: Sumitomo Electric Industries, Ltd., A. L. M. T. Corp.
    Inventors: Isao Iwayama, Yoshihiro Nakai, Taichiro Nishikawa, Yoshiyuki Takaki, Misato Kusakari, Toshiya Ikeda
  • CONTENT PLAYBACK DEVICE AND MOBILE TERMINAL
    Publication number: 20150106832
    Abstract: An authenticated mobile terminal 3a holds device information showing a mobile terminal 3b which is permitted to play back a content, and, when the mobile terminal 3b makes a request for playback of a content on the basis of restricted authentication information for permitting a playback of the content on a predetermined condition, the restricted authentication information being provided from the mobile terminal 3a to the permitted mobile terminal 3b, and the mobile terminal 3b is determined by using the device information held, the content provided by a media server 2 is played back on the predetermined condition in response to the request from the mobile terminal 3b.
    Type: Application
    Filed: July 2, 2012
    Publication date: April 16, 2015
    Applicant: Mitsubishi Electric Corporation
    Inventors: Hiroyuki Yokota, Yoshihiro Nakai