Patents Assigned to Sumida Corporation
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Patent number: 12142409Abstract: A coil component includes a magnetic core having a core portion; an insulation frame housing the magnetic core; an electrode terminal member provided on the insulation frame; and at least one coil, which is formed of an insulatingly coated lead wire and is electrically connected to the electrode terminal member, wherein at least one coil includes a winding portion wound around the insulation frame and the core portion so as to be in contact with a second wall portion and a fifth wall portion of the insulation frame.Type: GrantFiled: January 30, 2020Date of Patent: November 12, 2024Assignee: SUMIDA CORPORATIONInventors: Toshimasa Monma, Shin Yamamoto
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Patent number: 12066392Abstract: A substrate 1 includes a color center excited by excitation light, and at least a pair of reflection members 21a, 21b are arranged with gaps from the substrate 1. The substrate 1 causes the excitation light entering the substrate 1 to exit through its surfaces without reflection, and the reflection members 21a, 21b cause the exited excitation light to reflect at the reflection surface 21-1 or 21-2 and enter the substrate 1, and cause the excitation light to repeatedly enter and exit the substrate 1 and thereby pass through the substrate 1 only a predetermined number of times. Here, the irradiating device 4 emits the excitation light such that the excitation light is incident to the reflection surface 21-1 or 21-2 with an angle perpendicular to one axis among two axes of the reflection surface 21-1 or 21-2 and with a predetermined slant angle from the other axis.Type: GrantFiled: April 19, 2021Date of Patent: August 20, 2024Assignees: SUMIDA CORPORATION, Kyoto UniversityInventors: Masateru Hashimoto, Yoshiharu Yoshii, Yuki Takemura, Norikazu Mizuochi
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Patent number: 11988729Abstract: In a measurement using a quantum sensor, the range of measurable physical quantities is increased while maintaining sensor sensitivity. A measuring device (10) comprises an irradiation unit (2) that irradiates a quantum sensor element (1) with electromagnetic waves for operating an electron spin state of the quantum sensor element (1) that changes due to interaction (8) with a measurement target (9), in a pulse sequence in which a time ? between n/2 pulses is a variable value; and a physical quantity measuring unit (3) that calculates a physical quantity of the measurement target based on the electron spin state after the interaction with the measurement target (9).Type: GrantFiled: September 3, 2020Date of Patent: May 21, 2024Assignees: KYOTO UNIVERSITY, SUMIDA CORPORATIONInventors: Norikazu Mizuochi, Ernst David Herbschleb
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Patent number: 11978582Abstract: A coil component having a structure that can easily realize a desired positional relationship between a cover member and a bobbin portion is provided. The coil component includes a bobbin portion, a magnetic core inserted through the bobbin portion, and a coil wound around the bobbin portion, and a cover member covering the bobbin portion by being externally fitted to the bobbin portion. In the coil component, the cover member and the bobbin portion abut each other, and at least one of the cover member and the bobbin portion elastically biases the other in a first direction parallel to a mounting surface.Type: GrantFiled: January 22, 2021Date of Patent: May 7, 2024Assignee: SUMIDA CORPORATIONInventors: Sho Maesawa, Takashi Haga
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Patent number: 11933865Abstract: A magnetic resonance member 1 includes a crystal structure and is capable of electron spin quantum operations with microwaves of different frequencies corresponding to arrangement orientations of a vacancy and an impurity in a crystal lattice. A magnetic field transmission unit 4 senses a measurement target magnetic field at plural measurement positions different from each other, and applies application magnetic fields corresponding to the measurement target magnetic field sensed at the plural measurement positions to the magnetic resonance member 1 along respective different directions corresponding to the aforementioned arrangement orientations. A measurement control unit 21 controls a high frequency power supply 12, and determines detection values detected by a detecting device (an irradiating device 5 and a light receiving device 6) of the physical phenomena corresponding to the plural measurement positions.Type: GrantFiled: February 18, 2021Date of Patent: March 19, 2024Assignees: SUMIDA CORPORATION, Kyoto UniversityInventors: Yoshiharu Yoshii, Masateru Hashimoto, Tsutomu Ootsuka, Shingo Hamada, Yuki Takemura, Kan Hayashi, Norikazu Mizuochi
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Patent number: 11735351Abstract: A pair of iron-based E-shaped cores is arranged so that middle leg core parts of respective E-shaped cores are disposed opposite each other, and coils are respectively attached to the middle leg core parts in a winding state. A cross-sectional area of the middle leg core part orthogonal to an extending direction thereof and a cross-sectional area of an outer leg core part orthogonal to an extending direction thereof have a specified relationship.Type: GrantFiled: July 9, 2020Date of Patent: August 22, 2023Assignee: SUMIDA CORPORATIONInventor: Akira Takeuchi
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Patent number: 11668778Abstract: A high-frequency magnetic field generating device includes two coils arranged with a predetermined gap in parallel with each other, the two coils (a) in between which electron spin resonance material is arranged or (b) arranged at one side from electron spin resonance material; a high-frequency power supply that generates microwave current that flows in the two coils; and a transmission line part connected to the two coils, that sets a current distribution so as to locate the two coils at positions other than a node of a stationary wave.Type: GrantFiled: January 7, 2021Date of Patent: June 6, 2023Assignee: SUMIDA CORPORATIONInventors: Yoshiharu Yoshii, Masaki Saito, Norikazu Mizuochi, Kan Hayashi
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Patent number: 11619687Abstract: An ODMR member is arranged in a measurement target AC magnetic field. A coil applies a magnetic field of a microwave to the ODMR member. A high frequency power supply causes the coil to conduct a current of the microwave. An irradiating device irradiates the ODMR member with light. A light receiving device detects light that the ODMR member emits. A measurement control unit performs a predetermined DC magnetic field measurement sequence at a predetermined phase of the measurement target AC magnetic field, and in the DC magnetic field measurement sequence, controls the high frequency power supply and the irradiating device and thereby determines a detection light intensity of the light detected by the light receiving device. A magnetic field calculation unit calculates an intensity of the measurement target AC magnetic field on the basis of the predetermined phase and the detection light intensity.Type: GrantFiled: March 4, 2021Date of Patent: April 4, 2023Assignee: SUMIDA CORPORATIONInventors: Yoshiharu Yoshii, Norikazu Mizuochi
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Patent number: 11610727Abstract: A coil component 100 includes a first coil element 111 and a second coil element 112 each formed in an angular-tubular shape and disposed in parallel by winding and laminating a single flat wire 101 in one direction with edgewise-winding between one end portion 101A and another end portion 101B and bending the wound and laminated coil into two, and includes an interconnection part 113 for connecting the both elements. The interconnection part 113 includes a coil element winding end portion side raised part 123A, a coil element winding start portion side raised part 123B, and an intermediate part 123C extended between the two raised parts 123A and 123B.Type: GrantFiled: January 24, 2019Date of Patent: March 21, 2023Assignee: SUMIDA CORPORATIONInventor: Hiroshi Kawashima
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Patent number: 11543467Abstract: In a magnetic field source detecting apparatus, a magnetic sensor unit detects an intensity and a direction of a measurement target magnetic field on or over a surface of a test target object; and a position estimating unit estimates a position in a depth direction of a magnetic field source that exists at an unspecified position inside a test target object on the basis of the intensities and the directions of the measurement target magnetic field detected by the magnetic sensor at at least two 2-dimensional positions of the surface.Type: GrantFiled: June 16, 2021Date of Patent: January 3, 2023Assignee: SUMIDA CORPORATIONInventor: Yoshiharu Yoshii
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Patent number: 11452882Abstract: A magnetic field generating-apparatus for biostimulation including: a core formed by magnetic material; and coils wound around portions of the cores, wherein the core includes at least two pairs of leg portions which are juxtaposed each other, in which for the respective two pairs of leg portions, there are provided gap-portions which mutually cross each other, the coils include first coil portions and second coil portions forming a first magnetic-path and a second magnetic-path between the two pairs of leg portions and the gap-portions respectively; and wherein there is generated a magnetic field of first direction which lies on the first magnetic-path, there is generated a magnetic field of second direction which lies on the second magnetic-path, and depending on a magnetic field formed by synthesizing the magnetic field of first direction and the magnetic field of second direction, a living body is stimulated.Type: GrantFiled: October 1, 2019Date of Patent: September 27, 2022Assignee: SUMIDA CORPORATIONInventor: Mitsugu Kawarai
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Patent number: 11312045Abstract: A manufacturing method of a coil component comprising the steps of: preparing a coil assembly body in which a coil is attached on a magnetic core and a mold body which is formed with a cavity portion in the inside thereof and which includes at least one opening portion, putting a viscous admixture including magnetic powders and thermosetting resin and the coil assembly body in the cavity portion, pushing the put-in viscous admixture in the mold body, and thermally-curing the pushed-in viscous admixture and forming a magnetic exterior body which covers the coil assembly body.Type: GrantFiled: August 10, 2020Date of Patent: April 26, 2022Assignee: SUMIDA CORPORATIONInventors: Motomi Takahashi, Tomohiro Kajiyama, Teruaki Tanaka, Shinichi Sakamoto, Juichi Oki, Mitsugu Kawarai, Tsutomu Otsuka
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Patent number: 11224756Abstract: A magnetic field generating-apparatus for biostimulation including: a C-shaped annular core having a gap-portion; and coils wound around the core, wherein the core includes a pair of facing extended-portions which lie on the both sides of the gap-portion and which face each other by extending toward the adjacent directions, and includes a pair of opposite-side portions which are juxtaposed on the respective outsides of the pair of facing extended-portions, and wherein the coils are wound around the pair of opposite-side portions respectively.Type: GrantFiled: September 10, 2019Date of Patent: January 18, 2022Assignee: SUMIDA CORPORATIONInventor: Mitsugu Kawarai
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Patent number: 11217383Abstract: Provided is a coil component 100 including a first coil element 111 and a second coil element 112 each formed in an angular-tubular shape and disposed in parallel, and an interconnection part 113 for connecting the both coil elements 111, 112. The interconnection part 113 is configured with a first connecting part 123A, a second connecting part 123B, an intermediate part 123C, and an inverted part 123D. The first connecting part 123A is configured with a flatwise-bending portion 123A1 and an edgewise-winding portion 123A2. The second connecting part 123B is configured with a flatwise-bending portion 123B1 and an edgewise-winding portion 123B2. The intermediate part 123C is provided to extend over a gap part 115 between the second coil element 112 and the first coil element 111 on a front end-face side without being twisted.Type: GrantFiled: February 6, 2019Date of Patent: January 4, 2022Assignee: SUMIDA CORPORATIONInventor: Hiroshi Kawashima
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Patent number: 11183329Abstract: An art includes a core part 10 provided with central leg parts 13A, 13B and right and left leg parts 11A, 11B, 12A, 12B arranged on both sides of the central leg parts 13A, 13B; a coil part 20 formed by winding a conducting wire around a circumference of the central leg parts 13A, 13B; and a heat transfer sheet 30 for dissipating heat in the coil part 20 to outside, in which the coil part 20 is configured in such a manner that a rectangular wire is wound around the circumference of the central leg parts by edgewise winding and a circumference of the coil part 20 wound therearound is abutted on the heat transfer sheet 30.Type: GrantFiled: November 28, 2017Date of Patent: November 23, 2021Assignee: SUMIDA CORPORATIONInventors: Takayuki Yamaguchi, Toshio Uchibori
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Patent number: 11107620Abstract: For a substrate of a coil component, there are arranged a plurality of through-holes; the pattern-wiring is provided with a loop-shaped portion surrounding the circumference of a center hole which penetrates the substrate a pair of end portions which extend from that loop-shaped portion; and the neighboring two through-holes within the plurality of through-holes penetrate the substrate in a state that at least a part of each of the openings thereof superimpose each of the pair of end portions and is connected electrically with each of the end portions. In addition, the opening of one of the through-holes at one of the end portions within the pair of end portions is provided at a biased position close to the other of the end portions with respect to the center of the one of the end portions in the intersecting-direction.Type: GrantFiled: August 21, 2018Date of Patent: August 31, 2021Assignee: SUMIDA CORPORATIONInventors: Tomoyuki Kanno, Hiroyuki Momoi
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Patent number: 11067646Abstract: In a magnetic field source detecting apparatus, a magnetic sensor unit detects an intensity and a direction of a measurement target magnetic field on or over a surface of a test target object; and a position estimating unit estimates a position in a depth direction of a magnetic field source that exists at an unspecified position inside a test target object on the basis of the intensities and the directions of the measurement target magnetic field detected by the magnetic sensor at at least two 2-dimensional positions of the surface.Type: GrantFiled: July 24, 2019Date of Patent: July 20, 2021Assignee: SUMIDA CORPORATIONInventor: Yoshiharu Yoshii
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Patent number: 10969445Abstract: An ODMR member is arranged in a measurement target AC magnetic field. A coil applies a magnetic field of a microwave to the ODMR member. A high frequency power supply causes the coil to conduct a current of the microwave. An irradiating device irradiates the ODMR member with light. A light receiving device detects light that the ODMR member emits. A measurement control unit performs a predetermined DC magnetic field measurement sequence at a predetermined phase of the measurement target AC magnetic field, and in the DC magnetic field measurement sequence, controls the high frequency power supply and the irradiating device and thereby determines a detection light intensity of the light detected by the light receiving device. A magnetic field calculation unit calculates an intensity of the measurement target AC magnetic field on the basis of the predetermined phase and the detection light intensity.Type: GrantFiled: June 28, 2019Date of Patent: April 6, 2021Assignee: SUMIDA CORPORATIONInventors: Yoshiharu Yoshii, Norikazu Mizuochi
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Patent number: 10921413Abstract: A high-frequency magnetic field generating device includes two coils arranged with a predetermined gap in parallel with each other, the two coils (a) in between which electron spin resonance material is arranged or (b) arranged at one side from electron spin resonance material; a high-frequency power supply that generates microwave current that flows in the two coils; and a transmission line part connected to the two coils, that sets a current distribution so as to locate the two coils at positions other than a node of a stationary wave.Type: GrantFiled: August 14, 2018Date of Patent: February 16, 2021Assignee: SUMIDA CORPORATIONInventors: Yoshiharu Yoshii, Masaki Saito, Norikazu Mizuochi, Kan Hayashi
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Patent number: 10910717Abstract: An antenna device including a first rod-shaped core having a flange portion and a second rod-shaped core having a flange portion, which are arranged in series and including a first coil and a second coil, wherein the end surface of the first rod-shaped core and the end surface of the second rod-shaped core are spaced.Type: GrantFiled: December 8, 2017Date of Patent: February 2, 2021Assignee: SUMIDA CORPORATIONInventors: Yoshinori Inoue, Isao Douchi, Kei Tanaka, Takanari Fujimaki, Yoshinori Miura, Hiroshi Kawasaki, Hiromitsu Kuriki, Takanobu Rokuka, Hiroyuki Miyazaki