Patents by Inventor Daisuke Murata
Daisuke 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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Patent number: 11953491Abstract: A detection device that is capable of being attached to a through hole includes a main body portion, a detection portion, a cover portion, an insulation portion, and an oscillation portion. The main body portion has an insertion portion and a head portion. The detection portion is arranged in the insertion portion and detects the state of a fluid. The cover portion is arranged so as to form a gap with the head portion. The insulating portion has a lateral wall having a cylindrical shape. An oscillation portion is accommodated inside the insulation portion, and performs a wireless output of a detection result of the detection portion by using the head portion, the cover portion and the gap as a slot antenna.Type: GrantFiled: October 8, 2019Date of Patent: April 9, 2024Assignee: KELK Ltd.Inventors: Kazuji Sasaki, Tomonori Murata, Daisuke Goto
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Publication number: 20240089896Abstract: Provided is a computer-implemented method including acquiring a first pieces of observation data that include a position of a mobile object and a received signal strength of a wireless signal observed by the mobile object; and correcting each position of the mobile object included in each piece of observation data of the first pieces of observation data using one position of the mobile object at a time before the received signal strength included in the piece of observation data is observed.Type: ApplicationFiled: November 13, 2023Publication date: March 14, 2024Inventors: Masayuki Murata, Daisuke Sato
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Publication number: 20230326768Abstract: A coating process of a coating liquid using a nozzle is performed on a coating target structure including a semiconductor element and a wire bonded to the semiconductor element by a wire bonding process. The nozzle has a transport wind generating function of generating a liquid transport wind in a spiral manner. Thus, the coating liquid discharged from the coating liquid supply port of the nozzle is supplied to the coating target structure along the directivity of the liquid transport wind. Then, a drying process is performed on the coating target structure to form a primary layer containing a silane coupling agent as a constituent material on an outer periphery of the wire.Type: ApplicationFiled: December 23, 2022Publication date: October 12, 2023Applicant: Mitsubishi Electric CorporationInventor: Daisuke MURATA
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Patent number: 11362019Abstract: According to an aspect of the present disclosure, a semiconductor device includes a base plate, a first semiconductor chip provided above the base plate, a bonding wire joined with the first semiconductor chip at a first joint part and having a curved part above the first joint part, a first sealing member provided from an upper surface of the base plate up to a height higher than the first joint part and lower than the curved part, the first sealing member covering the first joint part and a second sealing member provided on the first sealing member, covering the curved part, and having an elastic modulus lower than an elastic modulus of the first sealing member.Type: GrantFiled: April 14, 2020Date of Patent: June 14, 2022Assignee: Mitsubishi Electric CorporationInventor: Daisuke Murata
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Patent number: 11329012Abstract: A technique for activating a fuse function in a semiconductor device in a relatively short time is provided. The semiconductor device includes a second bonding material provided on the upper surface of the insulating substrate, a third bonding material provided on an upper surface of the semiconductor element, a through hole extending from the first circuit pattern to the second circuit pattern via the core material, a conductive film provided on an inner wall of the through hole, and a heat insulating material provided inside the through hole and surrounded by the conductive film in plan view. The conductive film allows the first circuit pattern and the second circuit pattern to be conductive.Type: GrantFiled: October 16, 2019Date of Patent: May 10, 2022Assignee: Mitsubishi Electric CorporationInventors: Takuya Kitabayashi, Hiroshi Yoshida, Hidetoshi Ishibashi, Daisuke Murata
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Patent number: 11305637Abstract: A vehicle cooling system includes a circulation flow path section which has a first flow path section and a second flow path section, and a solenoid valve which can switch between an open state in which the first flow path section and the second flow path section are connected and a closed state in which the first flow path section and the second flow path section are blocked. The circulation flow path section includes a valve body accommodating section configured to include a first accommodating section and a second accommodating section which connects the first flow path section and the second flow path section in the open state, and a connection flow path section whose one end is connected to the first flow path section. The other end of the connection flow path section opens to the first accommodating section.Type: GrantFiled: March 21, 2019Date of Patent: April 19, 2022Assignees: SUBARU CORPORATION, NIDEC TOSOK CORPORATIONInventors: Naoki Hiraoka, Tomoya Ozawa, Takashi Asai, Daisuke Murata, Keita Kobayashi, Tomohiro Yasuda, Kenro Takahashi
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Publication number: 20220080710Abstract: Decorative sheets having improved or even excellent adhesiveness and heat and moisture resistance. A decorative sheet includes at least a substrate layer, an adhesive layer, and a transparent resin layer, which are laminated in this order. The adhesive layer contains a polyester resin and a bisphenol A epoxy resin. The polyester resin contains, as components, phthalic acid, a linear dicarboxylic acid, and an alkylenediol. The polyester resin and the bisphenol A epoxy resin are contained in the adhesive layer in a mass ratio (polyester resin/bisphenol A epoxy resin) of 50/50 to 90/10.Type: ApplicationFiled: November 22, 2021Publication date: March 17, 2022Applicant: TOPPAN INC.Inventors: Toru OKUBO, Daisuke MURATA
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Patent number: 11107760Abstract: According to the present invention, a semiconductor device includes an insulating substrate having an organic insulating layer and a circuit pattern provided on the organic insulating layer; and a semiconductor chip provided on an upper surface of the circuit pattern, wherein a thickness of the circuit pattern is not less than 1 mm and not more than 3 mm. According to the present invention, a method for manufacturing a semiconductor device includes forming a metal layer with a thickness not less than 1 mm and not more than 3 mm on an organic insulating layer; patterning the metal layer by machining processing to form a circuit pattern; and providing a semiconductor chip on an upper surface of the circuit pattern.Type: GrantFiled: June 25, 2019Date of Patent: August 31, 2021Assignee: Mitsubishi Electric CorporationInventors: Daisuke Murata, Hiroshi Yoshida, Hidetoshi Ishibashi
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Patent number: 11060629Abstract: A solenoid valve includes a solenoid including a guide, a mover that moves in an axial direction radially inside the guide, a yoke made of a magnetic material and disposed on one axial side of the mover, a magnet on one axial side of the yoke, an elastic body that applies an elastic force to the mover in the direction away from the magnet, a cover made of a magnetic material, a pin which moves as the mover moves, and a valve that is opened and closed as the mover and the pin move. The cover includes a cylinder surrounding the radial outside of the solenoid, a first wall on the other axial side of the solenoid, and a second wall that covers one axial side of the magnet.Type: GrantFiled: February 2, 2018Date of Patent: July 13, 2021Assignee: NIDEC TOSOK CORPORATIONInventor: Daisuke Murata
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Publication number: 20210138774Abstract: A protective film containing a transparent polyolefin resin layer with improved or even superior weather resistance, and a sheet using the protective film. A protective film according to the present embodiment includes at least a transparent polyolefin resin layer. The transparent polyolefin resin layer contains a hindered amine light stabilizer represented by general formula (I) below in a range of 0.05 parts by mass or more and 5 parts by mass or less with respect to 100 parts by mass of a transparent olefin resin included in the transparent polyolefin resin layer. (In general formula (I), R is an alkyl group having 1-18 carbon atoms, or a cycloalkyl group having 5-8 carbon atoms.Type: ApplicationFiled: January 19, 2021Publication date: May 13, 2021Applicant: TOPPAN PRINTING CO.,LTD.Inventors: Daisuke MURATA, Toru OOKUBO
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Publication number: 20210098344Abstract: According to an aspect of the present disclosure, a semiconductor device includes a base plate, a first semiconductor chip provided above the base plate, a bonding wire joined with the first semiconductor chip at a first joint part and having a curved part above the first joint part, a first sealing member provided from an upper surface of the base plate up to a height higher than the first joint part and lower than the curved part, the first sealing member covering the first joint part and a second sealing member provided on the first sealing member, covering the curved part, and having an elastic modulus lower than an elastic modulus of the first sealing member.Type: ApplicationFiled: April 14, 2020Publication date: April 1, 2021Applicant: Mitsubishi Electric CorporationInventor: Daisuke MURATA
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Publication number: 20210095096Abstract: A protective film that includes at least one of a transparent polyolefin resin layer and a surface protection layer, and that has excellent weather resistance and a low level of white turbidity, which is a factor that impairs design properties; and a sheet using the protective film. The protective film comprises at least a transparent polyolefin resin layer, wherein the transparent polyolefin resin layer contains a first hydroxyphenyltriazine-based ultraviolet absorber (UVA-A) having a structure represented by the general formula below. In the general formula, R1-R3 each independently represent a hydrogen atom, a methyl group, a phenyl group, or an alkoxy group, and at least two of R1-R3 are an alkoxy group having 8-18 carbon atoms, R4 and R5 each independently represent a hydroxyl group, a methyl group, or a hydrogen atom, and R6-R8 each independently represent a methyl group or a hydrogen atom.Type: ApplicationFiled: December 15, 2020Publication date: April 1, 2021Applicant: TOPPAN PRINTING CO.,LTD.Inventors: Toru OOKUBO, Daisuke MURATA
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Patent number: 10790218Abstract: A semiconductor device according to the present invention includes a relay substrate provided on a plurality of semiconductor chips. The relay substrate includes an insulating plate in which a through hole is formed, a lower conductor provided on a lower surface of the insulating plate and having a first lower conductor and a second lower conductor, an upper conductor provided on an upper surface of the insulating plate, a connection part provided in the through hole and connecting the second lower conductor and the upper conductor together, and a protruding part which is a part of one of the first lower conductor and the upper conductor and protrudes outward from the insulating plate, the protruding part is connected to a first external electrode, and another of the first lower conductor and the upper conductor is connected to a second external electrode and is positioned inside the insulating plate.Type: GrantFiled: May 7, 2019Date of Patent: September 29, 2020Assignee: Mitsubishi Electric CorprationInventors: Hidetoshi Ishibashi, Hiroshi Yoshida, Daisuke Murata, Takuya Kitabayashi
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Patent number: 10770367Abstract: A semiconductor apparatus includes: a substrate including a circuit pattern on an upper surface side and a metal plate on a lower surface side; a semiconductor device joined to the circuit pattern via a conductive component; a case located to surround the substrate; a sealing material sealing the semiconductor device and the substrate in a section surrounded by the case; and a bonding agent bonding the case and the metal plate on a side face of the substrate.Type: GrantFiled: October 15, 2018Date of Patent: September 8, 2020Assignee: Mitsubishi Electric CorporationInventors: Takuya Kitabayashi, Hiroshi Yoshida, Hidetoshi Ishibashi, Daisuke Murata
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Publication number: 20200235060Abstract: A technique for activating a fuse function in a semiconductor device in a relatively short time is provided. The semiconductor device includes a second bonding material provided on the upper surface of the insulating substrate, a third bonding material provided on an upper surface of the semiconductor element, a through hole extending from the first circuit pattern to the second circuit pattern via the core material, a conductive film provided on an inner wall of the through hole, and a heat insulating material provided inside the through hole and surrounded by the conductive film in plan view. The conductive film allows the first circuit pattern and the second circuit pattern to be conductive.Type: ApplicationFiled: October 16, 2019Publication date: July 23, 2020Applicant: Mitsubishi Electric CorporationInventors: Takuya KITABAYASHI, Hiroshi YOSHIDA, Hidetoshi ISHIBASHI, Daisuke MURATA
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Publication number: 20200161233Abstract: According to the present invention, a semiconductor device includes an insulating substrate having an organic insulating layer and a circuit pattern provided on the organic insulating layer; and a semiconductor chip provided on an upper surface of the circuit pattern, wherein a thickness of the circuit pattern is not less than 1 mm and not more than 3 mm. According to the present invention, a method for manufacturing a semiconductor device includes forming a metal layer with a thickness not less than 1 mm and not more than 3 mm on an organic insulating layer; patterning the metal layer by machining processing to form a circuit pattern; and providing a semiconductor chip on an upper surface of the circuit pattern.Type: ApplicationFiled: June 25, 2019Publication date: May 21, 2020Applicant: Mitsubishi Electric CorporationInventors: Daisuke MURATA, Hiroshi YOSHIDA, Hidetoshi ISHIBASHI
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Patent number: 10658324Abstract: A semiconductor device includes: an insulating substrate; an aluminum pattern made of a pure aluminum or alloy aluminum material and formed on the insulating substrate; a plating formed on a surface of the aluminum pattern; and a semiconductor element joined to the plating, wherein a thickness of the plating is 10 ?m or more.Type: GrantFiled: August 21, 2018Date of Patent: May 19, 2020Assignee: Mitsubishi Electric CorporationInventors: Daisuke Murata, Yuji Imoto
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Publication number: 20200083146Abstract: A semiconductor device according to the present invention includes a relay substrate provided on a plurality of semiconductor chips. The relay substrate includes an insulating plate in which a through hole is formed, a lower conductor provided on a lower surface of the insulating plate and having a first lower conductor and a second lower conductor, an upper conductor provided on an upper surface of the insulating plate, a connection part provided in the through hole and connecting the second lower conductor and the upper conductor together, and a protruding part which is a part of one of the first lower conductor and the upper conductor and protrudes outward from the insulating plate, the protruding part is connected to a first external electrode, and another of the first lower conductor and the upper conductor is connected to a second external electrode and is positioned inside the insulating plate.Type: ApplicationFiled: May 7, 2019Publication date: March 12, 2020Applicant: Mitsubishi Electric CorporationInventors: Hidetoshi ISHIBASHI, Hiroshi YOSHIDA, Daisuke MURATA, Takuya KITABAYASHI
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Patent number: 10573570Abstract: The object of the present invention is to provide a semiconductor device capable of reducing the influence of gas generated from a resin to which a fire retardant is not added, and a power conversion device including the semiconductor device. The semiconductor device according to the present invention includes: a semiconductor element disposed on an insulating substrate; a case disposed around an outer edge of the insulating substrate, the case including an opening facing the semiconductor element; a sealing resin sealing the semiconductor element in the case; and a lid closing the opening of the case, wherein the sealing resin does not contain a fire retardant, the lid contains the fire retardant, and a space is provided between the sealing resin and the lid.Type: GrantFiled: September 14, 2018Date of Patent: February 25, 2020Assignee: Mitsubishi Electric CorporationInventors: Daisuke Murata, Hiroshi Yoshida, Satoshi Kondo, Shinsuke Asada, Yusuke Kaji
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Publication number: 20200041025Abstract: A solenoid valve includes a solenoid including a guide, a mover that moves in an axial direction radially inside the guide, a yoke made of a magnetic material and disposed on one axial side of the mover, a magnet on one axial side of the yoke, an elastic body that applies an elastic force to the mover in the direction away from the magnet, a cover made of a magnetic material, a pin which moves as the mover moves, and a valve that is opened and closed as the mover and the pin move. The cover includes a cylinder surrounding the radial outside of the solenoid, a first wall on the other axial side of the solenoid, and a second wall that covers one axial side of the magnet.Type: ApplicationFiled: February 2, 2018Publication date: February 6, 2020Inventor: Daisuke MURATA