Patents by Inventor Kazuhiko Tsuchiya
Kazuhiko Tsuchiya 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).
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Publication number: 20240097658Abstract: A semiconductor device includes a first pad, a second pad, a first output driver provided for the first pad and configured to output a first transmission signal to the first pad, a second output driver provided for the second pad and configured to output a second transmission signal to the second pad, a register that stores first and second calibration values, a first reference resistor for the first pad and having a resistance value that is set according to the first calibration value, a second reference resistor for the second pad and having a resistance value that is set according to the second calibration value, a first setting circuit configured to calibrate a resistance value of the first output driver using the first reference resistor, and a second setting circuit configured to calibrate a resistance value of the second output driver using the second reference resistor.Type: ApplicationFiled: March 3, 2023Publication date: March 21, 2024Inventors: Fumiya WATANABE, Toshifumi WATANABE, Kazuhiko SATOU, Shouichi OZAKI, Kenro KUBOTA, Atsuko SAEKI, Ryota TSUCHIYA, Harumi ABE
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Publication number: 20240079067Abstract: A semiconductor memory device includes an output pin configured for connection with a memory controller, an output circuit configured to output through the output pin a voltage signal that changes over time in accordance with one or more bits of data to be output to the memory controller, and a control circuit configured to temporarily change a drive capability of the output circuit each time a voltage signal corresponding to one bit of the data is output through the output pin.Type: ApplicationFiled: February 28, 2023Publication date: March 7, 2024Inventors: Shouichi OZAKI, Kazuhiko SATOU, Kenro KUBOTA, Fumiya WATANABE, Atsuko SAEKI, Ryota TSUCHIYA, Harumi ABE, Toshifumi WATANABE
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Publication number: 20240006096Abstract: An antenna cable noise suppression structure includes a plurality of antenna cables and a noise suppression member that has electrical conductivity and is electrically connected to each of outer conductors of two or more antenna cables. Further, the noise suppression member is electrically connected to an outer conductor of each antenna cable at a position at which a distance from an end of each antenna cable is equal to or less than one quarter of a wavelength calculated based on a frequency of a signal transmitted by each antenna cable. Further, the noise suppression member and the outer conductor that is electrically connected to the noise suppression member are grounded to a grounded portion.Type: ApplicationFiled: September 14, 2023Publication date: January 4, 2024Applicant: Yazaki CorporationInventors: Tatsuya ISHIKAWA, Tohru AOKI, Katsuya FUJIHIRA, Kazuhiko TSUCHIYA
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Publication number: 20240006743Abstract: An antenna element of an antenna device includes an antenna unit that is arranged at a position separated by a predetermined length in a first direction that is a direction perpendicular to a substrate surface of an antenna substrate from the substrate surface. Further, the antenna element includes a grounding unit that is connected continuous to the antenna unit and grounded to the antenna substrate. Further, the grounding unit is provided with a grounding body that is connected continuous to the antenna unit on one side in the first direction, and a mounting unit that is connected continuous to the other side of the grounding body in the first direction and mounted on the antenna substrate. Further, the mounting unit is provided with a plurality of mounting pieces that are spaced apart along a second direction intersecting the first direction.Type: ApplicationFiled: June 28, 2023Publication date: January 4, 2024Applicant: Yazaki CorporationInventor: Kazuhiko TSUCHIYA
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Publication number: 20230420824Abstract: An antenna device includes: an antenna substrate; an antenna element; a holder that is fixed to the antenna substrate to thereby hold an antenna unit; and a first case having electrical insulating properties and forming a part of a housing that houses the antenna element. Further, the antenna element includes: an antenna unit that is arranged at a position separated by a predetermined length from a substrate surface of the antenna substrate, in such a way as to be parallel to the substrate surface; and a grounding unit that is connected continuous to the antenna unit and electrically connected to the antenna substrate. In a state in which the antenna element is housed in the housing, a fitting protrusion of the holder penetrates into a fitting hole that is formed in the antenna unit to abut on an inner surface of the first case.Type: ApplicationFiled: June 26, 2023Publication date: December 28, 2023Applicant: Yazaki CorporationInventor: Kazuhiko Tsuchiya
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Patent number: 11855339Abstract: Provided is a vehicle antenna applied to a vehicle including a sun roof. The vehicle antenna includes a first sun roof forming opening and a second sun roof forming opening exhibiting a rectangular shape and being formed, on a roof of the vehicle, in parallel to have long sides facing each other, the roof being formed of a conductive material, a first power feeding point provided to a long side of the first sun roof forming opening on a facing side, a second power feeding point provided to a long side of the second sun roof forming opening on a facing side, a hot-side conducting wire connected to the first power feeding point, and an earth-side conducting wire connected to the second power feeding point.Type: GrantFiled: September 27, 2021Date of Patent: December 26, 2023Assignee: YAZAKI CORPORATIONInventor: Kazuhiko Tsuchiya
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Patent number: 11784400Abstract: A thin antenna includes an antenna element, a first spacer, a second spacer, a first ground plane and a second ground plane. The antenna element is formed in a column shape, and has a top surface and a bottom surface facing each other. The first and second spacers are made of an insulating material. The first ground plane is formed larger than the top surface of the antenna element. The second ground plane is formed larger than the bottom surface of the antenna element. The first ground plane is disposed to face the top surface of the antenna element via the first spacer. The second ground plane is disposed to face the bottom surface of the antenna element via the second spacer. A power is fed at one of the top surface and the bottom surface of the antenna element.Type: GrantFiled: November 10, 2021Date of Patent: October 10, 2023Assignee: YAZAKI CORPORATIONInventor: Kazuhiko Tsuchiya
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Publication number: 20230113159Abstract: A flexible thin sheet-shaped electric wire includes: a body part having electrical insulation; and a conductor part that is arranged in the body part. Further, the conductor part includes a conductor body, and a fuse part that is formed in a part of the conductor body and of which a cross-sectional area is smaller than a cross-sectional area of the conductor body. Still further, the body part includes a conductor region in which the conductor body is arranged and a fuse region in which the fuse part is arranged. The fuse part includes an enclosing part that is arranged to enclose the entire circumference of at least a part of the fuse region.Type: ApplicationFiled: October 7, 2022Publication date: April 13, 2023Applicant: Yazaki CorporationInventors: Hirotaka MUKASA, Kazuhiko TSUCHIYA
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Patent number: 11616303Abstract: A folded antenna includes: a substrate including a dielectric base material and a ground disposed on a first surface of the dielectric base material; and an antenna element including a bent portion bent in a direction perpendicular to the substrate, and a folded portion further bent in a direction parallel to the substrate from the bent portion and capacitively coupled to the ground via the dielectric base material. An impedance of the folded antenna is adjusted by adjusting an area of the folded portion by changing a width dimension of the folded portion without changing a height dimension of the bent portion.Type: GrantFiled: March 8, 2021Date of Patent: March 28, 2023Assignee: YAZAKI CORPORATIONInventor: Kazuhiko Tsuchiya
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Publication number: 20230035821Abstract: A bus bar module includes a bus bar electrically connect electrode terminals respectively included in a plurality of battery cells, and a detection conductor electrically connected to the bus bar. The bus bar includes: a pair of electrode joining parts respectively joined to the different electrode terminals; a coupling part coupling the pair of electrode joining parts to each other, and capable of being cut between the pair of electrode joining parts where the pair of electrode joining parts is respectively joined to the electrode terminals; and a pair of rejoinable parts respectively extending from the pair of electrode joining parts. The electrode joining parts and the coupling part constitute a conductive connection part for primary use disposed across the different electrode terminals to electrically connect the different electrode terminals to each other.Type: ApplicationFiled: July 25, 2022Publication date: February 2, 2023Applicant: Yazaki CorporationInventors: Tatsuya OGA, Hirotaka MUKASA, Mariko NAKAGAWA, Kazuhiko TSUCHIYA
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Publication number: 20230014903Abstract: A busbar module includes: a plurality of busbars arranged along a first direction and connected to battery cells; and a plate-like circuit body having a plurality of detection lines to be connected to the busbars and having flexibility, in which the circuit body includes a main line portion in which the plurality of detection lines is routed and branch portions, branching from the main line portion and in which the detection lines to be connected to the busbars are routed, the branch portions each include a stretchable portion that is stretchable along the first direction, the stretchable portions each have slits or a cutout formed in a direction intersecting the first direction in a plan view of the circuit body, and a detection line of each of the stretchable portions is routed along the slits or the cutout.Type: ApplicationFiled: July 12, 2022Publication date: January 19, 2023Applicant: Yazaki CorporationInventors: Tatsuya OGA, Hirotaka Mukasa, Kazuhiko Tsuchiya
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Publication number: 20220402056Abstract: A narrow-hole electric discharge machine (100) is provided with: a pump (52) with a variable flow rate that supplies machining fluid to a pipe electrode (28); a flow rate sensor (56) provided in a pipe between the pump (52) and the pipe electrode (28), the flow rate sensor (56) being configured to detect the flow rate of the machining fluid flowing through the pipe; a storage unit (58b) that stores a set flow rate of a jet flow suitable for each cross-sectional size of a plurality of pipe electrodes (28) having different cross-sectional sizes; and a pump control unit (58a) that drives the pump (52) such that the value detected by the flow rate sensor (56) is kept at the set flow rate stored in the storage unit (58b) suitable for the cross-sectional size of the pipe electrode (28) currently attached to a main shaft (114).Type: ApplicationFiled: January 28, 2021Publication date: December 22, 2022Applicant: MAKINO MILLING MACHINE CO., LTD.Inventor: Kazuhiko TSUCHIYA
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Patent number: 11450967Abstract: A slot antenna is provided with a metal cylindrical antenna element. The antenna element is formed at a height of ?/4 or less when ? is a wavelength of an antenna frequency to be used. Further, the antenna element has a slot for vertical polarization having a length of ?/2 or more in a circumferential direction.Type: GrantFiled: June 2, 2021Date of Patent: September 20, 2022Assignee: YAZAKI CORPORATIONInventor: Kazuhiko Tsuchiya
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Publication number: 20220149514Abstract: A thin antenna includes an antenna element, a first spacer, a second spacer, a first ground plane and a second ground plane. The antenna element is formed in a column shape, and has a top surface and a bottom surface facing each other. The first and second spacers are made of an insulating material. The first ground plane is formed larger than the top surface of the antenna element. The second ground plane is formed larger than the bottom surface of the antenna element. The first ground plane is disposed to face the top surface of the antenna element via the first spacer. The second ground plane is disposed to face the bottom surface of the antenna element via the second spacer. A power is fed at one of the top surface and the bottom surface of the antenna element.Type: ApplicationFiled: November 10, 2021Publication date: May 12, 2022Applicant: Yazaki CorporationInventor: Kazuhiko TSUCHIYA
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Publication number: 20220013888Abstract: Provided is a vehicle antenna to be mounted on a vehicle. The vehicle antenna includes a first antenna portion configured to receive a radio wave signal, the first antenna portion being provided on a roof of the vehicle, and a second antenna portion configured to emit a radio wave signal into the vehicle, the second antenna portion being provided in the vehicle. The first antenna portion is a monopole antenna. The second antenna portion is a flat plate antenna. The first antenna portion and the second antenna portion are electrically connected to each other via a co-axial cable.Type: ApplicationFiled: September 28, 2021Publication date: January 13, 2022Applicant: Yazaki CorporationInventor: Kazuhiko TSUCHIYA
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Publication number: 20220013887Abstract: Provided is a vehicle antenna applied to a vehicle including a sun roof. The vehicle antenna includes a first sun roof forming opening and a second sun roof forming opening exhibiting a rectangular shape and being formed, on a roof of the vehicle, in parallel to have long sides facing each other, the roof being formed of a conductive material, a first power feeding point provided to a long side of the first sun roof forming opening on a facing side, a second power feeding point provided to a long side of the second sun roof forming opening on a facing side, a hot-side conducting wire connected to the first power feeding point, and an earth-side conducting wire connected to the second power feeding point.Type: ApplicationFiled: September 27, 2021Publication date: January 13, 2022Applicant: Yazaki CorporationInventor: Kazuhiko TSUCHIYA
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Publication number: 20210384635Abstract: A slot antenna is provided with a metal cylindrical antenna element. The antenna element is formed at a height of ?/4 or less when ? is a wavelength of an antenna frequency to be used. Further, the antenna element has a slot for vertical polarization having a length of ?/2 or more in a circumferential direction.Type: ApplicationFiled: June 2, 2021Publication date: December 9, 2021Applicant: YAZAKI CORPORATIONInventor: Kazuhiko TSUCHIYA
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Publication number: 20210288410Abstract: A folded antenna includes: a substrate including a dielectric base material and a ground disposed on a first surface of the dielectric base material; and an antenna element including a bent portion bent in a direction perpendicular to the substrate, and a folded portion further bent in a direction parallel to the substrate from the bent portion and capacitively coupled to the ground via the dielectric base material. An impedance of the folded antenna is adjusted by adjusting an area of the folded portion by changing a width dimension of the folded portion without changing a height dimension of the bent portion.Type: ApplicationFiled: March 8, 2021Publication date: September 16, 2021Applicant: Yazaki CorporationInventor: Kazuhiko TSUCHIYA
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Patent number: 9039458Abstract: A connector is provided, which can seek miniaturization by suppressing external form dimensions of an inner housing. The connector includes, as means for engaging and uniting housing division bodies 20 and 30 that constitute the inner housing 10, engagement pieces 22 equipped on one side of the housing division bodies and inserted between adjacent terminal accommodation portions 13 in the other side of the housing division bodies, and locking portions equipped between the terminal accommodation portions 13 in the other side of the housing division bodies and engaged with the inserted engagement pieces to make the housing division bodies 20 and 30 in a connection state.Type: GrantFiled: August 31, 2011Date of Patent: May 26, 2015Assignee: YAZAKI CORPORATIONInventor: Kazuhiko Tsuchiya
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Patent number: 8979584Abstract: An object is to provide a board-mounted connector which has an assembly fitting opening provided on the attachment surface side of an external shield shell onto a circuit board such that a housing assembly can be fit from the assembly fitting opening into the external shield shell, and is capable of improving the ease of assembling the housing assembly. In a board-mounted connector 1A, a housing assembly 21A to be fit from an assembly fitting opening 34 provided at an external shield shell 11A into the external shield shell 11A is made by integrally forming an internal housing 23 that accommodates a plurality of connection terminal members 22 and an external housing 26 that covers the outer circumference of the internal housing 23 and accommodates and holds the internal shield shell 25.Type: GrantFiled: August 31, 2011Date of Patent: March 17, 2015Assignee: Yazaki CorporationInventor: Kazuhiko Tsuchiya