Patents by Inventor Yuma MURATA
Yuma MURATA 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: 20240075947Abstract: The present invention provides a failure diagnosis system (10) including: a vehicle-related data acquisition unit (11) acquiring vehicle-related data related to a target vehicle; a malfunction determination unit (12) determining a malfunction that may be occurring in the target vehicle, based on the vehicle-related data; an image capture location determination unit (13) determining an area to be captured for failure diagnosis, based on the determined malfunction; and a notification unit (14) notifying a user of the determined area to be captured.Type: ApplicationFiled: January 28, 2021Publication date: March 7, 2024Applicant: NEC CorporationInventors: Yuma Yazaki, Takahiro Murata, Yusuke Koitabashi, Sachiko Ohishi
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Patent number: 11887925Abstract: A capacitor includes a case including a capacitor element, a first connection terminal, a second connection terminal, and a second insulating sheet formed between the first connection terminal and the second connection terminal, and the first connection terminal, the second insulating sheet, and the second connection terminal extend to the outside from the case. A semiconductor module includes a multi-layer terminal portion in which a first power terminal, a first insulating sheet, and a second power terminal are sequentially stacked. The first power terminal includes a first bonding area electrically connected to the first connection terminal, and the second power terminal includes a second bonding area electrically connected to the second connection terminal. The first insulating sheet includes a terrace portion that extends in a direction from the second bonding area towards the first bonding area in a planar view.Type: GrantFiled: August 8, 2022Date of Patent: January 30, 2024Assignee: FUJI ELECTRIC CO., LTD.Inventors: Ryoichi Kato, Yoshinari Ikeda, Yuma Murata
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Publication number: 20240006303Abstract: A capacitor includes a case including a capacitor element, a first connection terminal, a second connection terminal, and a second insulating sheet formed between the first connection terminal and the second connection terminal, and the first connection terminal, the second insulating sheet, and the second connection terminal extend to the outside from the case. A semiconductor module includes a multi-layer terminal portion in which a first power terminal, a first insulating sheet, and a second power terminal are sequentially stacked. The first power terminal includes a first bonding area electrically connected to the first connection terminal, and the second power terminal includes a second bonding area electrically connected to the second connection terminal. The first insulating sheet includes a terrace portion that extends in a direction from the second bonding area towards the first bonding area in a planar view.Type: ApplicationFiled: September 19, 2023Publication date: January 4, 2024Applicant: FUJI ELECTRIC CO., LTD.Inventors: Ryoichi KATO, Yoshinari IKEDA, Yuma MURATA
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Publication number: 20230187334Abstract: A semiconductor device includes: an insulating sheet including a first main surface and a second main surface; a first terminal in a shape of a plate provided to face the first main surface of the insulating sheet and including a first protruding portion protruding outward from the first main surface of the insulating sheet; and a second terminal in a shape of a plate provided to face the second main surface of the insulating sheet and including a second protruding portion protruding outward from the second main surface of the insulating sheet side by side with the first protruding portion, wherein a first recessed portion is provided at a position of the first protruding portion intersecting an end portion of the insulating sheet by concaving a side surface of the first protruding portion facing the second protruding portion in a direction away from the second protruding portion.Type: ApplicationFiled: October 27, 2022Publication date: June 15, 2023Applicant: FUJI ELECTRIC CO., LTD.Inventors: Yuma MURATA, Katsumi TANIGUCHI, Ryoichi KATO
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Publication number: 20230187376Abstract: A semiconductor module, including: a terminal laminated portion having a first terminal, an insulating member, and a second terminal that are laminated in that order to one another in a laminating direction; and a thermally anisotropic member disposed between the insulating member and the second terminal, the thermally anisotropic member having a thermal conductivity that is higher in a planar direction perpendicular to the laminating direction than in the laminating direction.Type: ApplicationFiled: October 28, 2022Publication date: June 15, 2023Applicant: FUJI ELECTRIC CO., LTD.Inventors: Naoyuki KANAI, Yuma MURATA
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Publication number: 20230187323Abstract: A semiconductor device, including a case that has a first power terminal including a first bonding area and a second power terminal including a second bonding area, and an insulating unit located between the first power terminal and the second power terminal, and having a shape of a flat plate, the insulating unit being bonded to the case. The insulating unit has a first insulating portion in a sheet form, and a second insulating portion which covers an upper surface, a lower surface, or both the upper and lower surfaces, of the first insulating portion. The first bonding area and the second bonding area are exposed from the insulating unit and from the case.Type: ApplicationFiled: October 27, 2022Publication date: June 15, 2023Applicant: FUJI ELECTRIC CO., LTD.Inventors: Shinji TADA, Yuma MURATA
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Patent number: 11664342Abstract: A semiconductor device, including a capacitor, a semiconductor module having a first power terminal formed on a front surface of a first insulating member, and a connecting member electrically connecting and mechanically coupling the semiconductor module and the capacitor to each other, the connecting member having a front surface and a rear surface opposite to each other, the rear surface being on a front surface of the first power terminal. The connecting member is bonded to the semiconductor module via a first welded portion, which penetrates the front and rear surfaces of the connecting member, and penetrates the front surface of the first power terminal, in a thickness direction of the semiconductor device, a distance in the thickness direction between a bottommost portion of first welded portion and the front surface of the first insulating member being 0.3 mm or more.Type: GrantFiled: June 11, 2021Date of Patent: May 30, 2023Assignee: FUJI ELECTRIC CO., LTD.Inventors: Shinji Tada, Ryoichi Kato, Yoshinari Ikeda, Yuma Murata
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Publication number: 20230142607Abstract: A semiconductor module includes an insulating sheet which has a first surface and extends in a first direction and a first terminal. The first terminal has a first region disposed on the first surface of the insulating sheet and having a first width in a second direction perpendicular to the first direction, a second region extending from the first region and having a second width in the second direction narrower than the first width, and a third region located away from the first surface and being electrically connected to both the first region and the second region.Type: ApplicationFiled: September 29, 2022Publication date: May 11, 2023Applicant: FUJI ELECTRIC CO., LTD.Inventors: Tadahiko SATO, Ryoichi KATO, Yuma MURATA
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Publication number: 20230120152Abstract: A semiconductor module includes a first case having a first side face, a first insulating paper disposed on the first case and having a first width in a first direction and having a notch with a second width smaller than the first width, a first terminal between the first case and the first insulating paper, having an exposed portion exposed from the first insulating paper at an area where the notch is formed, and a second terminal on the first insulating paper at a side opposite to a side where the first terminal is disposed. The first terminal and the first insulating paper have extended portions extending to an outside of the first case from the first side face so that a portion of the first insulating paper where the notch is formed and the exposed portion of the first terminal are located at the outside of the first case.Type: ApplicationFiled: August 26, 2022Publication date: April 20, 2023Applicant: FUJI ELECTRIC CO., LTD.Inventors: Yuma MURATA, Ryoichi KATO, Shinji TADA
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Publication number: 20230119240Abstract: A semiconductor device includes: an insulated circuit substrate; a power semiconductor element mounted on the insulated circuit substrate; a first terminal having a plate-like shape having a first main surface and electrically connected to the power semiconductor element; a second terminal having a second main surface opposed to the first main surface of the first terminal and electrically connected to the power semiconductor element; an insulating sheet interposed between the first main surface and the second main surface; and a conductive film provided on at least one of the first main surface side and the second main surface side of the insulating sheet.Type: ApplicationFiled: August 24, 2022Publication date: April 20, 2023Applicant: FUJI ELECTRIC CO., LTD.Inventors: Katsumi TANIGUCHI, Yoshinari IKEDA, Ryoichi KATO, Yuma MURATA, Akito NAKAGOME
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Publication number: 20230124778Abstract: A semiconductor module (semiconductor device) includes a case that has a side wall to form a frame, the side wall having a concave portion, a multi-layer structure in which a first terminal, an insulating sheet, and a second terminal are stacked in that order and which is disposed on the concave portion, and a beam member that is attached to the concave portion of the case to fix the multi-layer structure disposed on the concave portion.Type: ApplicationFiled: September 27, 2022Publication date: April 20, 2023Applicant: FUJI ELECTRIC CO., LTD.Inventors: Akito NAKAGOME, Katsumi TANIGUCHI, Ryoichi KATO, Yuma MURATA
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Publication number: 20230069967Abstract: A semiconductor apparatus includes a semiconductor element, a control terminal electrically connected to a top electrode of the semiconductor element through a wiring member, and a case member in which at least a portion of the control terminal is embedded and which defines a space for housing the semiconductor element. The control terminal includes a pad to which the wiring member is connected. The case member includes a wiring member positioning part raised on the case member as a reference point for a positioning of the wiring member before a connection is made of the wiring member to the pad.Type: ApplicationFiled: July 28, 2022Publication date: March 9, 2023Applicant: FUJI ELECTRIC CO., LTD.Inventors: Nobuhiro HIGASHI, Daiki YOSHIDA, Yuma MURATA, Naoyuki KANAI
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Publication number: 20220415729Abstract: There is provided a semiconductor module capable of preventing the peeling of a sealing resin on the side where connection sections used for the connection to semiconductor elements are arranged. A semiconductor module includes: an outer frame; sealing resins; gate signal output terminals, and partition sections laid across the outer flame to partition a space into a plurality of housing sections, in the partition sections which the gate signal output terminals with connection sections exposed are arranged. The partition sections have first surface sections on the side where the connection sections are arranged and second surface sections formed, on the side where the connection sections are not arranged, such that the peeling strength to the sealing resins is lower than that of the first surface sections.Type: ApplicationFiled: May 26, 2022Publication date: December 29, 2022Applicant: FUJI ELECTRIC CO., LTD.Inventors: Ryoichi KATO, Yuma MURATA, Naoyuki KANAI
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Publication number: 20220407432Abstract: Provided is a semiconductor module that can improve the insulation properties at terminals to which electric power is supplied.Type: ApplicationFiled: April 28, 2022Publication date: December 22, 2022Applicant: FUJI ELECTRIC CO., LTD.Inventors: Akito NAKAGOME, Ryoichi KATO, Yuma MURATA
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Publication number: 20220384399Abstract: A capacitor includes a case including a capacitor element, a first connection terminal, a second connection terminal, and a second insulating sheet formed between the first connection terminal and the second connection terminal, and the first connection terminal, the second insulating sheet, and the second connection terminal extend to the outside from the case. A semiconductor module includes a multi-layer terminal portion in which a first power terminal, a first insulating sheet, and a second power terminal are sequentially stacked. The first power terminal includes a first bonding area electrically connected to the first connection terminal, and the second power terminal includes a second bonding area electrically connected to the second connection terminal. The first insulating sheet includes a terrace portion that extends in a direction from the second bonding area towards the first bonding area in a planar view.Type: ApplicationFiled: August 8, 2022Publication date: December 1, 2022Applicant: FUJI ELECTRIC CO., LTD.Inventors: Ryoichi KATO, Yoshinari IKEDA, Yuma MURATA
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Patent number: 11410922Abstract: A capacitor includes a case including a capacitor element, a first connection terminal, a second connection terminal, and a second insulating sheet formed between the first connection terminal and the second connection terminal, and the first connection terminal, the second insulating sheet, and the second connection terminal extend to the outside from the case. A semiconductor module includes a multi-layer terminal portion in which a first power terminal, a first insulating sheet, and a second power terminal are sequentially stacked. The first power terminal includes a first bonding area electrically connected to the first connection terminal, and the second power terminal includes a second bonding area electrically connected to the second connection terminal. The first insulating sheet includes a terrace portion that extends in a direction from the second bonding area towards the first bonding area in a planar view.Type: GrantFiled: November 30, 2020Date of Patent: August 9, 2022Assignee: FUJI ELECTRIC CO., LTD.Inventors: Ryoichi Kato, Yoshinari Ikeda, Yuma Murata
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Patent number: 11398450Abstract: A semiconductor module includes an insulating substrate having a main wiring layer, positive and negative electrode terminals adjacently arranged in a first direction, a plurality of semiconductor elements forming a first column and another plurality of semiconductor elements forming a second column, each semiconductor element having gate and source electrode on an upper surface thereof, and being disposed on the main wiring layer such that corresponding ones of the gate electrodes in the first and second columns face each other in a second direction orthogonal to the first direction, a control wiring substrate between the first and second columns and having gate and source wiring layers, a gate wiring member connecting ones of the gate electrodes in the first and second columns through the gate wiring layer, and a source wiring member connecting ones of the source electrodes in the first and second columns through the source wiring layer.Type: GrantFiled: February 26, 2021Date of Patent: July 26, 2022Assignee: FUJI ELECTRIC CO., LTD.Inventors: Ryoichi Kato, Yuma Murata, Naoyuki Kanai, Akito Nakagome, Yoshinari Ikeda
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Patent number: 11398448Abstract: A semiconductor module includes first to fourth semiconductor elements, each having an upper-surface electrode and a lower-surface electrode, first to fourth conductive layers, each extending in a first direction and being independently disposed side by side in a second direction orthogonal to the first direction, and an output terminal connected to the second and third conductive layers. The lower-surface electrodes of each of the first to fourth semiconductor elements are respectively conductively connected to the first to fourth conductive layers. The third conductive layer and the fourth conductive layer are disposed between the first conductive layer and the second conductive layer and are connected to the output terminal to have an equal potential.Type: GrantFiled: February 26, 2021Date of Patent: July 26, 2022Assignee: FUJI ELECTRIC CO., LTD.Inventors: Ryoichi Kato, Yuma Murata, Naoyuki Kanai, Akito Nakagome, Yoshinari Ikeda
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Publication number: 20220208652Abstract: A semiconductor module includes a resin case housing a semiconductor element; an insulating layer extending outward from the resin case; and a first external connection terminal extending outward from the resin case, arranged above the insulating layer so as to face the insulting layer, the first external connection terminal having a non-contact portion that is not in contact with the insulating layer in a thickness direction of the insulating layer at a position overlapping the insulating layer in a plan view.Type: ApplicationFiled: December 6, 2021Publication date: June 30, 2022Applicant: Fuji Electric Co., Ltd.Inventors: Yuichiro HINATA, Yuma MURATA, Naoyuki KANAI, Ryoichi KATO
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Publication number: 20220157623Abstract: A method for manufacturing a semiconductor device includes obtaining a shear stress FT at which that a value obtained by dividing a loss elastic modulus by a storage elastic modulus equals 1 for each of a plurality of candidate heat conductive greases at each of a plurality of temperatures that are within a prescribed control temperature range determined based on an operation temperature range of the semiconductor device to be manufactured; selecting a heat conductive grease, among the plurality of candidate heat conductive greases, that has a value of FT of 100 Pa or more and 200 Pa or less at each of the plurality of the temperatures within the prescribed control temperature range; and attaching a resin sealed body that includes a semiconductor element mounted on a laminated substrate therein to a cooler via the heat conductive grease that has been selected in the selecting.Type: ApplicationFiled: November 1, 2021Publication date: May 19, 2022Applicant: Fuji Electric Co., Ltd.Inventors: Yuma MURATA, Ryoichi KATO, Takashi SAITO, Ryotaro TSURUOKA