Patents Assigned to Sumitomo Electric Industries, Ltd.
  • Patent number: 11101058
    Abstract: A compact is provided. When the compact is used for a magnetic core, a magnetic path cross section has a cross-sectional perimeter of more than 20 mm, and at least part of a surface of the compact is covered with an iron-based oxide film having an average thickness of 0.5 ?m or more and 10.0 ?m or less. Letting the proportion of the surface area of the compact to the volume of the compact be surface area/volume, the content of Fe3O4 present in the iron-based oxide film with respect to 100% by volume of the compact satisfies any one of (1) to (3): (1) less than 0.085% by volume when the (surface area/volume) is 0.40 mm?1 or less, (2) 0.12% or less by volume when the (surface area/volume) is more than 0.40 mm?1 and 0.60 mm?1 or less, and (3) 0.15% or less by volume when the (surface area/volume) is more than 0.60 mm?1.
    Type: Grant
    Filed: October 24, 2016
    Date of Patent: August 24, 2021
    Assignees: Sumitomo Electric Industries, Ltd., Sumitomo Electric Sintered Alloy, Ltd.
    Inventors: Tatsuya Saito, Hijiri Tsuruta, Asako Watanabe, Tomoyuki Ueno
  • Patent number: 11099322
    Abstract: An optical fiber according to an embodiment includes: a core; an inner cladding surrounding the core and having a refractive index smaller than a refractive index of the core; an outer cladding surrounding the inner cladding and having a smaller refractive index than the refractive index of the core and having a refractive index greater than the refractive index of the inner cladding, in which a ratio of a caustic radius to a MAC-value (caustic radius/MAC-value) at a bending radius of 10 mm at a wavelength of 1625 nm is 2.70 ?m or more.
    Type: Grant
    Filed: August 27, 2020
    Date of Patent: August 24, 2021
    Assignee: SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventors: Masato Suzuki, Yuki Kawaguchi, Yoshinori Yamamoto, Takemi Hasegawa
  • Patent number: 11101579
    Abstract: A female terminal, including: a female terminal fitting including a connector to be conductively connected to a male terminal; a male terminal inserting tube provided in the female terminal fitting, the male terminal being press-fit into the male terminal inserting tube, the male terminal inserting tube forming the connector by an inner surface; a pair of overlapping plates connected to a pair of first divided portions provided by dividing the male terminal inserting tube over an entire length in an axial direction at one position in a circumferential direction, the pair of overlapping plates being separated from each other and projecting outward; and a spring held on the female terminal fitting, the spring holding the male terminal inserting tube in a reduced diameter state by biasing the pair of overlapping plates in a direction to overlap the pair of overlapping plates on each other.
    Type: Grant
    Filed: February 15, 2019
    Date of Patent: August 24, 2021
    Assignees: AUTONETWORKS TECHNOLOGIES, LTD., SUMITOMO WIRING SYSTEMS, LTD., SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventor: Seido Nishijima
  • Patent number: 11102218
    Abstract: A relay device performs relay processing of relaying data between a plurality of function units mounted on a vehicle and includes a counting unit that counts each of the numbers of relayed packets that are the numbers of packets relayed to respective target function units being the plurality of function units of a same type in the relay processing and a detection unit that monitors a count value of the numbers counted by the counting unit and detects unauthorized communication with the target function units based on a maximum value and a minimum value of the numbers of relayed packets counted by the counting unit.
    Type: Grant
    Filed: March 15, 2018
    Date of Patent: August 24, 2021
    Assignees: Sumitomo Electric Industries, Ltd., AutoNetworks Technologies, Ltd., Sumitomo Wirinq Systems, Ltd.
    Inventors: Darmawan Go, Hirofumi Urayama, Takeshi Hagihara, Yasuhiro Yabuuchi
  • Patent number: 11101054
    Abstract: A core wire for multi-core cables includes a conductor obtained by twisting a plurality of elemental wires, and an insulating layer coated on an outer peripheral surface of the conductor. The insulating layer contains polyethylene-based resin as a main component, and the product of a linear expansion coefficient C1 of the insulating layer in the range of 25° C. to ?35° C. and an elastic modulus E1 at ?35° C., namely (C1×E1) is 0.01 MPaK?1 or more and 0.90 MPaK?1 or less. The melting point of the polyethylene-based resin is 80° C. or higher and 130° C. or lower.
    Type: Grant
    Filed: October 5, 2018
    Date of Patent: August 24, 2021
    Assignee: SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventors: Yutaka Matsumura, Shigeyuki Tanaka, Taro Fujita, Takaya Kohori, Masayuki Ishikawa
  • Patent number: 11101466
    Abstract: A carbon electrode material is disclosed for a redox flow battery that particularly, even when using an Mn—Ti type electrolyte, while stabilizing Mn ions and suppressing a rise in cell resistance during initial charge and discharge, has excellent oxidation resistance. The electrode material includes a carbonaceous fiber, and a carbonaceous material for binding the carbonaceous fiber, and satisfies the requirements: (1) when the size of a crystallite in a c axis direction found by X-ray diffraction in the carbonaceous material (B) is Lc(B), Lc(B) is 10 nm or greater; (2) when the size of the crystallite in the c axis direction found by X-ray diffraction in the carbonaceous fiber (A) is Lc(A), Lc(B)/Lc(A) is 1.0 or greater; and (3) the number of bonded oxygen atoms of the carbon electrode material surface is 1.0% or greater than the total number of carbon atoms of the carbon electrode material surface.
    Type: Grant
    Filed: August 29, 2018
    Date of Patent: August 24, 2021
    Assignees: TOYOBO CO., LTD., SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventors: Toshikatsu Enjoji, Takahiro Matsumura, Ryouhei Iwahara, Masaru Kobayashi, Masako Tatsuta, Yongrong Dong, Masayuki Oya, Kenichi Itou, Yoshiyasu Kawagoe
  • Patent number: 11102887
    Abstract: An electrical connection device includes a first conductive plate provided with a cutout in a circumferential edge portion of the first conductive plate and a second conductive plate adjacent to the first conductive plate without contacting the first conductive plate. A switching element includes a first terminal connected to the first conductive plate, a second terminal connected to the second conductive plate, and a control terminal, and that is turned on or off according to a voltage of the control terminal, wherein the electrical connection device further includes an insulator embedded in the cutout. A conductive path is provided on the surface of the insulator and that does not contact the first conductive plate, and to which the control terminal is connected.
    Type: Grant
    Filed: December 14, 2018
    Date of Patent: August 24, 2021
    Assignees: AutoNetworks Technologies, Ltd., Sumitomo Wiring Systems, Ltd., Sumitomo Electric Industries, Ltd.
    Inventor: Akira Haraguchi
  • Patent number: 11101395
    Abstract: This wiring module includes: a wiring substrate; a base portion at which the wiring substrate is placed; and an adhesive layer configured to adhere the wiring substrate to the base portion, wherein the wiring substrate includes: a land portion configured to have a power generating element mounted thereto; and a wire portion configured to be electrically connected to the power generating element, the adhesive layer has: a land adhesion region configured to adhere the land portion to the base portion; and a wire adhesion region configured to adhere the wire portion to the base portion, and a width of the wire adhesion region is smaller than a width of the land adhesion region.
    Type: Grant
    Filed: July 6, 2015
    Date of Patent: August 24, 2021
    Assignee: Sumitomo Electric Industries, Ltd.
    Inventors: Kazumasa Toya, Takashi Iwasaki, Youichi Nagai, Koji Mori, Kenji Saito, Rui Mikami, Takeshi Yamana
  • Patent number: 11101660
    Abstract: A storage battery system includes: a grid-connected storage battery; and a first current sensor that is provided in an electrical circuit linking the storage battery and the grid and detects a current in the electrical circuit the storage battery system having the electrical circuit connected with one or more power generators. The storage battery system includes: a second current sensor that is provided in the electrical circuit such that the one or more power generators are connected between the first current sensor and the second current sensor; and a controller that calculates generated power of the one or more power generators based on outputs obtained from the first current sensor and the second current sensor.
    Type: Grant
    Filed: May 23, 2018
    Date of Patent: August 24, 2021
    Assignee: Sumitomo Electric Industries, Ltd.
    Inventors: Fumio Urakawa, Tetsuo Akita
  • Publication number: 20210255400
    Abstract: An optical connector including a housing body having a ferrule, an outer housing, a latch, and a tab is disclosed. The latch extends from a proximal end toward a front end of the optical connector and includes an engaging part at a distal end. The tab is placed on an outer side of the latch, movable with respect to the outer housing, and pushes down the engaging part toward the housing body according to movement of the tab. The distal end of the latch floats to space apart from the housing body. A first protrusion is disposed on an inner side of the tab. The optical connector is configured to contact an inner side of the latch with the first protrusion to push down the engaging part toward the housing body with the first protrusion as a fulcrum when the engaging part is engaged with the external device.
    Type: Application
    Filed: January 15, 2021
    Publication date: August 19, 2021
    Applicants: SUMITOMO ELECTRIC OPTIFRONTIER CO., LTD., SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventors: Takahiro INABA, Yoshikyo TAMEKUNI, Daizo NISHIOKA, Yoshihiro TAKEYAMA, Mitsumasa SEITA
  • Publication number: 20210258749
    Abstract: A wireless sensor system is provided with: a wireless terminal device which is driven by electric power stored in a power storage unit and transmits measurement information indicating a result of measurement by a sensor; and a management device which receives the measurement information transmitted from the wireless terminal device.
    Type: Application
    Filed: June 13, 2019
    Publication date: August 19, 2021
    Applicant: Sumitomo Electric Industries, Ltd.
    Inventors: Masataka FUNAKI, Yoshizo TANAKA, Daigo MURATA, Takashi YAMAMOTO
  • Publication number: 20210253483
    Abstract: A sintered material comprises cubic boron nitride and a first material that is a partially stabilized ZrO2 with Al2O3 dispersed therein at crystal grain boundaries and/or in crystal grains, the sintered material comprising 20% by volume or more and 80% by volume or less of the cubic boron nitride, the sintered material comprising 0.001% by mass or more and 1% by mass or less of nitrogen in the first material when the first material is measured through secondary ion mass spectrometry.
    Type: Application
    Filed: February 22, 2019
    Publication date: August 19, 2021
    Applicants: Sumitomo Electric Industries, Ltd., Sumitomo Electric Hardmetal Corp.
    Inventors: Hisaya HAMA, Katsumi OKAMURA, Mayu AMEMIYA, Satoru KUKINO
  • Publication number: 20210257128
    Abstract: A superconductive wire according to an embodiment of the present disclosure includes a first member and a second member. The first member includes a first substrate made of a conductive material, a first intermediate layer made of a conductive material and disposed on the first substrate, and a first superconductive layer made of a superconductive material and disposed on the first intermediate layer. The second member includes a second substrate made of a conductive material, a second intermediate layer made of a conductive material and disposed on the second substrate, and a second superconductive layer made of a superconductive material and disposed on the second intermediate layer. The first member and the second member are stacked along a thickness direction of the superconductive wire so that the first superconductive layer and the second superconductive layer face each other. The first superconductive layer is electrically connected to the second superconductive layer.
    Type: Application
    Filed: June 15, 2018
    Publication date: August 19, 2021
    Applicant: Sumitomo Electric Industries, Ltd.
    Inventors: Tatsuoki NAGAISHI, Takashi YAMAGUCHI
  • Publication number: 20210257640
    Abstract: A chromium adsorption material includes: a porous body made of a metal material; and a chromium adsorbent carried inside pores of the porous body, wherein the metal material includes a first metal and a second metal, the first metal includes nickel, and the second metal includes at least one selected from the group made of tin, aluminum, cobalt, titanium, manganese, tungsten, copper, silver, and gold.
    Type: Application
    Filed: July 25, 2019
    Publication date: August 19, 2021
    Applicant: SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventors: Chihiro HIRAIWA, Mitsuyasu OGAWA, Takahiro HIGASHINO, Masatoshi MAJIMA, Koma NUMATA
  • Publication number: 20210255406
    Abstract: An optical semiconductor device comprises: a first wiring pattern provided on a carrier mounting surface of a dielectric substrate; a first reference potential pattern surrounding the first wiring pattern; a carrier block provided on the carrier mounting surface and having a main surface, a side surface, and a second wiring pattern and a second reference potential pattern constituting coplanar lines; and an optical semiconductor element provided on the main surface. One end portion of the second wiring pattern extends to at least an end edge on the side surface side in the main surface and is conductively joined to the first wiring pattern with a conductive joining material therebetween. One end portion of the second reference potential pattern extends to at least the end edge on the side surface side in the main surface and is conductively joined to the first reference potential pattern with a conductive joining material therebetween.
    Type: Application
    Filed: February 17, 2021
    Publication date: August 19, 2021
    Applicant: Sumitomo Electric Industries, Ltd.
    Inventors: Tomoya Saeki, Yasushi Fujimura, Taichi Misawa
  • Publication number: 20210257127
    Abstract: A wire harness including: a plurality of core wires; a tubular electromagnetic shield enclosing an outer circumference of the plurality of core wires; and an insulating sheath in which the plurality of core wires and the electromagnetic shield are collectively embedded, wherein the insulating sheath includes: a first covering that is filled between the plurality of core wires and the electromagnetic shield, that covers an outer circumferential surface of the plurality of core wires in intimate contact therewith, and that covers an inner circumferential surface of the electromagnetic shield in intimate contact therewith; and a second covering that covers an outer circumferential surface of the electromagnetic shield in intimate contact therewith.
    Type: Application
    Filed: September 10, 2019
    Publication date: August 19, 2021
    Applicants: AUTONETWORKS TECHNOLOGIES, LTD., SUMITOMO WIRING SYSTEMS, LTD., SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventors: Takeshi SHIMIZU, Hirotaka BABA, Yuichi KIMOTO
  • Publication number: 20210257814
    Abstract: An optical module includes a first laser diode emitting a first light, a second laser diode emitting a second light of a different wavelength from the first light, and a filter multiplexing the first and the second light. The filter has a polarization selectivity for selectively transmitting light of a linearly polarized light component in a particular direction included in the first light, a wavelength selectivity for transmitting the first light and reflecting the second light.
    Type: Application
    Filed: June 17, 2019
    Publication date: August 19, 2021
    Applicant: SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventor: Yohei ENYA
  • Patent number: 11094986
    Abstract: A power storage unit 1 in which a power storage element is housed in a metal case and which is to be attached to a vehicle via a metal bracket includes a holder that holds the power storage element within the metal case, a bracket receiving portion that is provided in the holder and is to be engaged with the bracket and transmit the load of the holder and the power storage element to the bracket, and a connection piece that is provided in the metal case and is to come into contact with the bracket and electrically connect the metal case to the bracket.
    Type: Grant
    Filed: February 7, 2018
    Date of Patent: August 17, 2021
    Assignees: AutoNetworks Technologies, Ltd., Sumitomo Wiring Systems, Ltd., Sumitomo Electric Industries, Ltd.
    Inventor: Tatsuya Sumida
  • Patent number: 11091107
    Abstract: A connection unit includes: a first terminal; a second terminal; a third terminal; a first switch part and a second switch part connected in series between the first terminal and the second terminal; a first diode; and a second diode, wherein the third terminal is connected between the first switch part and the second switch part that are connected in series, the flow of electricity in one direction between the third terminal and at least one of the first terminal and the second terminal is enabled and the flow of electricity in the direction opposite to the one direction is interrupted, by at least one of the first switch part and the second switch part is turned off, and flow of electricity between the first terminal and the second terminal is interrupted in both directions by the first switch part and the second switch part being turned off.
    Type: Grant
    Filed: August 21, 2018
    Date of Patent: August 17, 2021
    Assignees: AutoNetworks Technologies, Ltd., Sumitomo Wiring Systems, Ltd., Sumitomo Electric Industries, Ltd.
    Inventor: Kosei Maekawa
  • Patent number: 11095022
    Abstract: A planar antenna includes: a radiating element; a flexible dielectric film portion; a power feeder line provided for the dielectric film portion, and configured to feed power to the radiating element; a first ground conductor facing against the radiating element; and an antenna base having a dielectric layer disposed between the radiating element and the first ground conductor. The dielectric film portion extends from a side surface of the antenna base. The dielectric layer is thicker than the dielectric film portion.
    Type: Grant
    Filed: February 21, 2018
    Date of Patent: August 17, 2021
    Assignee: SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventors: Tatsuhiro Shimura, Isao Katsura