Patents by Inventor Takahiro Mizuno
Takahiro Mizuno 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: 20230224655Abstract: A time at which a failure of a noise level meter has occurred is accurately determined. The present invention relates to a noise measuring device including a noise level meter having a main microphone capable of measuring noise, and a sub microphone capable of measuring noise at the same time as the main microphone. The present invention also relates to a failure diagnosing system having the noise measuring device and a failure diagnosing device capable of diagnosing a failure of the main microphone. The present invention also relates to a failure diagnosing method for diagnosing a failure of the main microphone. In the failure diagnosing system and the method, the presence or absence of a failure of the main microphone in the noise level meter is diagnosed based on the comparison between main and sub noise data obtained by the main and sub microphones and respectively in each of a plurality of recording periods.Type: ApplicationFiled: June 28, 2021Publication date: July 13, 2023Applicant: Nihon Onkyo Engineering Co., Ltd.Inventors: Hosei Kawagoe, Etsushi Fujita, Osamu Kohashi, Yoshio Tadahira, Shigeki Sugaya, Takahiro Mizuno, Shozo Suido, Shinji Ohashi
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Publication number: 20230141552Abstract: A test object includes a first semiconductor element, a first main electrode electrically connected to a positive electrode of the first semiconductor element, a second main electrode electrically connected to a negative electrode of the first semiconductor element, and a first capacitor connected between the first main electrode and the second main electrode. A semiconductor testing device comprises a DC power supply connected between a first probe and a second probe, and a controller. When the first probe is connected to the first main electrode and the second probe is connected to the second main electrode, the controller charges the first capacitor with a DC voltage supplied from a DC power supply, and inputs, to a control electrode of the first semiconductor element, a control signal for turning on the first semiconductor element, after charging the first capacitor.Type: ApplicationFiled: February 25, 2021Publication date: May 11, 2023Applicant: Mitsubishi Electric CorporationInventors: Gaku NAKANISHI, Takahiro MIZUNO
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Patent number: 11495943Abstract: A bus bar protector is configured to cover a bus bar having a flat plate portion and a standing portion standing from an end of the flat plate portion, and includes a first cover that covers one face of the bus bar and a second cover that covers another face of the bus bar. The first cover includes a first flat plate cover that covers the flat plate portion of the bus bar, and a first standing cover that covers the standing portion of the bus bar. The second cover includes a second flat plate cover that covers the flat plate portion of the bus bar, and a second standing cover that covers the standing portion of the bus bar. The first standing cover includes a pair of engagement pieces arranged to project toward the second standing cover and bent toward each other to engage with the second standing cover.Type: GrantFiled: October 20, 2020Date of Patent: November 8, 2022Assignee: YAZAKI CORPORATIONInventor: Takahiro Mizuno
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Patent number: 11450217Abstract: Operation history information on every aircraft can be collected, and efficiency in collection of the aircraft operation history information can be improved. The present invention includes: an image acquisition unit 11 configured to acquire an image G obtained by imaging a route R or A2; an image-type model identification unit 21 configured to identify a model of an aircraft P in the route R or A2 based on appearance data of an aircraft Q in the image G acquired by the image acquisition unit 11 and aircraft appearance samples previously prescribed for respective models; and an operation history storage unit 45 configured to store image-derived model information identified by the image-type model identification unit 21.Type: GrantFiled: December 19, 2017Date of Patent: September 20, 2022Inventors: Yoshio Tadahira, Osamu Kohashi, Hiroshi Wada, Takahiro Mizuno, Kazuki Tamura
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Patent number: 11056730Abstract: A voltage detection terminal holding structure includes a bus bar holding part and the voltage detection terminal held in the bus bar holding part. The voltage detection terminal includes an electric connection part configured to be connected to a bus bar, a wire connection part configured to be connected to an electric wire, and a temporary fixing part. The temporary fixing part is formed between the electric connection part and the wire connection part. The temporary fixing part is temporarily fixed to the bus bar holding part in a state that a movement in a axis direction in an end of the electric wire connected to the wire connection part is regulated and in a state that a displacement in a perpendicular direction to the axis direction and a rotation around the axis direction are allowed.Type: GrantFiled: April 16, 2019Date of Patent: July 6, 2021Assignee: YAZAKI CORPORATIONInventors: Takahiro Mizuno, Yasutaka Miyazaki
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Publication number: 20210126436Abstract: A bus bar protector is configured to cover a bus bar having a flat plate portion and a standing portion standing from an end of the flat plate portion, and includes a first cover that covers one face of the bus bar and a second cover that covers another face of the bus bar. The first cover includes a first flat plate cover that covers the flat plate portion of the bus bar, and a first standing cover that covers the standing portion of the bus bar. The second cover includes a second flat plate cover that covers the flat plate portion of the bus bar, and a second standing cover that covers the standing portion of the bus bar. The first standing cover includes a pair of engagement pieces arranged to project toward the second standing cover and bent toward each other to engage with the second standing cover.Type: ApplicationFiled: October 20, 2020Publication date: April 29, 2021Applicant: Yazaki CorporationInventor: Takahiro Mizuno
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Publication number: 20210118310Abstract: Training data required for further training an AI pre-trained model to be used to identify aircraft can be effectively generated. A training data generation method includes: obtaining two data items among an appearance data item on an aircraft in an image in which a specific route has been imaged, a signal data item on radio waves emitted from the aircraft on the route, and a noise data item indicating noise from the aircraft on the route; identifying an attribute of the aircraft on the route by inputting one of the obtained two data items into a first identification model for identifying the attribute of the aircraft; and generating training data used for training a second identification model for identifying the attribute of the aircraft, by associating the other of the obtained two data items with the attribute of the aircraft on the route identified in the identification step.Type: ApplicationFiled: March 15, 2018Publication date: April 22, 2021Applicant: Nihon Onkyo Engineering Co., Ltd.Inventors: Osamu KOHASHI, Shinji OHASHI, Yoshio TADAHIRA, Yukihiro KATO, Takahiro MIZUNO, Hosei KAWAGOE, Makoto TAKESHITA
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Publication number: 20200357291Abstract: Operation history information on every aircraft can be collected, and efficiency in collection of the aircraft operation history information can be improved. The present invention includes: an image acquisition unit 11 configured to acquire an image G obtained by imaging a route R or A2; an image-type model identification unit 21 configured to identify a model of an aircraft P in the route R or A2 based on appearance data of an aircraft Q in the image G acquired by the image acquisition unit 11 and aircraft appearance samples previously prescribed for respective models; and an operation history storage unit 45 configured to store image-derived model information identified by the image-type model identification unit 21.Type: ApplicationFiled: December 19, 2017Publication date: November 12, 2020Applicant: Nihon Onkyo Engineering Co., Ltd.Inventors: Yoshio Tadahira, Osamu Kohashi, Hiroshi Wada, Takahiro Mizuno, Kazuki Tamura
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Patent number: 10508222Abstract: A polishing composition used in an application to polish silicon nitride is characterized by containing colloidal silica in which an organic acid, such as a sulfonic acid or a carboxylic acid, is immobilized, and having a pH of 6 or less.Type: GrantFiled: April 30, 2018Date of Patent: December 17, 2019Assignee: FUJIMI INCORPORATEDInventors: Takahiro Mizuno, Shuugo Yokota, Yasuyuki Yamato, Tomohiko Akatsuka
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Publication number: 20190252739Abstract: A voltage detection terminal holding structure includes a bus bar holding part and the voltage detection terminal held in the bus bar holding part. The voltage detection terminal includes an electric connection part configured to be connected to a bus bar, a wire connection part configured to be connected to an electric wire, and a temporary fixing part. The temporary fixing part is formed between the electric connection part and the wire connection part. The temporary fixing part is temporarily fixed to the bus bar holding part in a state that a movement in a axis direction in an end of the electric wire connected to the wire connection part is regulated and in a state that a displacement in a perpendicular direction to the axis direction and a rotation around the axis direction are allowed.Type: ApplicationFiled: April 16, 2019Publication date: August 15, 2019Applicant: Yazaki CorporationInventors: Takahiro MIZUNO, Yasutaka MIYAZAKI
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Publication number: 20190131878Abstract: To provide a power converter not to stop a DC power conversion of the power converter, when there is no abnormality in the main circuit of the power converter, and the command signal of output voltage has an abnormality. A power conversion circuit is provided with a voltage command upper limit circuit that upper-limits the voltage signal which is inputted to the switching control circuit by a preliminarily set upper limit voltage, wherein the voltage command upper limit circuit is provided with a Zener diode or a shunt regulator, wherein the Zener diode or the shunt regulator upper-limits the voltage signal by an upper limit voltage corresponding to Zener voltage or shunt voltage, and wherein a voltage command represented by the upper limit voltage is set to a voltage less than the protection determination voltage of the output overvoltage protection circuit.Type: ApplicationFiled: April 27, 2018Publication date: May 2, 2019Applicant: Mitsubishi Electric CorporationInventor: Takahiro MIZUNO
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Patent number: 10263527Abstract: To provide a power converter not to stop a DC power conversion of the power converter, when there is no abnormality in the main circuit of the power converter, and the command signal of output voltage has an abnormality. A power conversion circuit is provided with a voltage command upper limit circuit that upper-limits the voltage signal which is inputted to the switching control circuit by a preliminarily set upper limit voltage, wherein the voltage command upper limit circuit is provided with a Zener diode or a shunt regulator, wherein the Zener diode or the shunt regulator upper-limits the voltage signal by an upper limit voltage corresponding to Zener voltage or shunt voltage, and wherein a voltage command represented by the upper limit voltage is set to a voltage less than the protection determination voltage of the output overvoltage protection circuit.Type: GrantFiled: April 27, 2018Date of Patent: April 16, 2019Assignee: Mitsubishi Electric CorporationInventor: Takahiro Mizuno
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Patent number: 10144849Abstract: A polishing composition contains a nitrogen-containing compound and abrasive grains, and the pH of the composition is in the range of 1 to 7. The nitrogen-containing compound in the polishing composition preferably has a structure expressed by a formula: R1—N(—R2)—R3 in which R1, R2, and R3 each represent an alkyl group with or without a characteristic group, two of R1 to R3 may form a part of a heterocycle, and two of R1 to R3 may be identical and form a part of a heterocycle with the remaining one. Alternatively, the nitrogen-containing compound is preferably selected from a group consisting of a carboxybetaine type ampholytic surfactant, a sulfobetaine type ampholytic surfactant, an imidazoline type ampholytic surfactant, and an amine oxide type ampholytic surfactant. A polishing composition may contain a water-soluble polymer and abrasive grains, and the pH of the composition is in the range of 1 to 8.Type: GrantFiled: January 29, 2009Date of Patent: December 4, 2018Assignee: FUJIMI INCORPORATEDInventors: Takahiro Mizuno, Yoshihiro Izawa, Tomohiko Akatsuka
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Publication number: 20180244957Abstract: A polishing composition used in an application to polish silicon nitride is characterized by containing colloidal silica in which an organic acid, such as a sulfonic acid or a carboxylic acid, is immobilized, and having a pH of 6 or less.Type: ApplicationFiled: April 30, 2018Publication date: August 30, 2018Applicant: FUJIMI INCORPORATEDInventors: Takahiro MIZUNO, Shuugo YOKOTA, Yasuyuki YAMATO, Tomohiko AKATSUKA
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Publication number: 20130146804Abstract: A polishing composition used in an application to polish silicon nitride is characterized by containing colloidal silica in which an organic acid, such as a sulfonic acid or a carboxylic acid, is immobilized, and having a pH of 6 or less.Type: ApplicationFiled: August 10, 2011Publication date: June 13, 2013Inventors: Takahiro Mizuno, Shuugo Yokota, Yasuyuki Yamato, Tomohiko Akatsuka
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Patent number: 8425285Abstract: A duct installation structure in which an air conditioning duct for sending warm air or cold air into a vehicle interior of an automobile is attached to a vehicle interior structure member and an outlet grill is attached to an outlet opening end portion of the air conditioning duct. A grill fixing portion to which the outlet grill is to be fixed is integrally molded with a duct main body portion at the outlet opening end portion of the air conditioning duct. The outlet grill is directly fixed to the grill fixing portion. The outlet opening end portion of the air conditioning duct including, at one point near its center in a width direction, a fastening fixing portion that is fastened and fixed to the vehicle interior structure member and including, at its opposite ends in the width direction, a pair of contact portions for coming in contact with the vehicle interior structure member.Type: GrantFiled: January 24, 2008Date of Patent: April 23, 2013Assignees: Toyota Shatai Kabushiki Kaisha, Inoac CorporationInventors: Hayato Kamigashima, Takahiro Mizuno, Nobuhiro Ichimura, Hidetoshi Matsumoto
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Patent number: 8245813Abstract: There is provided a steering apparatus including a pinion communicating with an operation of a steering member, a rack shaft having a rack meshed with the pinion, and a support yoke resiliently coming into contact with the rack shaft, and being configured to convert rotation of the pinion into movement of the rack shaft in an axial direction in a meshing portion in which the pinion and rack mesh to each other. The steering apparatus comprises a detection unit for detecting a force applied to the support yoke to which a force acting on the meshing portion being transmitted from the rack shaft and a calculation unit for calculating a steering torque applied to the steering member based on the force detected by the detection unit, wherein the pinion and the rack are formed in helical gears.Type: GrantFiled: October 20, 2010Date of Patent: August 21, 2012Assignee: JTEKT CorporationInventors: Takahiro Mizuno, Shiro Nakano, Kunihiro Oka
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Publication number: 20110040448Abstract: There is provided a steering apparatus including a pinion communicating with an operation of a steering member, a rack shaft having a rack meshed with the pinion, and a support yoke resiliently coming into contact with the rack shaft, and being configured to convert rotation of the pinion into movement of the rack shaft in an axial direction in a meshing portion in which the pinion and rack mesh to each other. The steering apparatus comprises a detection unit for detecting a force applied to the support yoke to which a force acting on the meshing portion being transmitted from the rack shaft and a calculation unit for calculating a steering torque applied to the steering member based on the force detected by the detection unit, wherein the pinion and the rack are formed in helical gears.Type: ApplicationFiled: October 20, 2010Publication date: February 17, 2011Applicant: JTEKT CORPORATIONInventors: Takahiro Mizuno, Shiro Nakano, Kunihiro Oka
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Publication number: 20100301014Abstract: A polishing composition contains a nitrogen-containing compound and abrasive grains, and the pH of the composition is in the range of 1 to 7. The nitrogen-containing compound in the polishing composition preferably has a structure expressed by a formula: R1—N(—R2)—R3 in which R1, R2, and R3 each represent an alkyl group with or without a characteristic group, two of R1 to R3 may form a part of a heterocycle, and two of R1 to R3 may be identical and form a part of a heterocycle with the remaining one. Alternatively, the nitrogen-containing compound is preferably selected from a group consisting of a carboxybetaine type ampholytic surfactant, a sulfobetaine type ampholytic surfactant, an imidazoline type ampholytic surfactant, and an amine oxide type ampholytic surfactant. A polishing composition may contain a water-soluble polymer and abrasive grains, and the pH of the composition is in the range of 1 to 8.Type: ApplicationFiled: January 29, 2009Publication date: December 2, 2010Applicant: FUJIMI INCORPORATEDInventors: Takahiro Mizuno, Yoshihiro Izawa, Tomohiko Akatsuka
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Patent number: 7841443Abstract: There is provided a steering apparatus including a pinion communicating with an operation of a steering member, a rack shaft having a rack meshed with the pinion, and a support yoke resiliently coming into contact with the rack shaft, and being configured to convert rotation of the pinion into movement of the rack shaft in an axial direction in a meshing portion in which the pinion and rack mesh to each other. The steering apparatus comprises a detection unit for detecting a force applied to the support yoke to which a force acting on the meshing portion being transmitted from the rack shaft and a calculation unit for calculating a steering torque applied to the steering member based on the force detected by the detection unit, wherein the pinion and the rack are formed in helical gears.Type: GrantFiled: August 13, 2007Date of Patent: November 30, 2010Assignee: Jtekt CorporationInventors: Takahiro Mizuno, Shiro Nakano, Kunihiro Oka