Patents by Inventor Takahiro Miki

Takahiro Miki 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).

  • Patent number: 11965760
    Abstract: An object of the present invention is to provide a compact air flow rate measuring device with improved stain resistance. A physical quantity detecting device of the present invention includes: a semiconductor element having a flow rate detection unit 205; a circuit board 207 supporting the semiconductor element; and a conductive cover 202 fixing the circuit board 207, and the semiconductor element is fixed to the circuit board 207 such that the flow rate detection unit 205 faces the cover 202.
    Type: Grant
    Filed: February 13, 2019
    Date of Patent: April 23, 2024
    Assignee: HITACHI ASTEMO, LTD.
    Inventors: Takayuki Yogo, Binti Haridan Fatin Farhanah, Akira Uenodan, Noboru Tokuyasu, Takahiro Miki, Hiroaki Hoshika
  • Publication number: 20240044105
    Abstract: An excavation work machine, in the support structure and opening/closing structure of an upper face cover which covers an upper side of a lateral-part engine chamber on the right side of a swing frame, and the support structure and opening/closing structure of a right exterior cover which covers the right side of the lateral-part engine chamber, includes a first frame part that is provided in the front-rear direction of the swing frame, and a second frame part that is provided perpendicular to the first frame part and that is, at a base end thereof, connected to the first frame part and, at another end thereof, connected to the right exterior cover.
    Type: Application
    Filed: August 1, 2023
    Publication date: February 8, 2024
    Applicant: Yanmar Holdings Co., Ltd.
    Inventor: Takahiro Miki
  • Patent number: 11892333
    Abstract: An object is to improve measurement accuracy of a thermal air flow meter. A flow-rate measuring device comprising: a sensor assembly having a flow-rate detecting element; a circuit board on which the sensor assembly is mounted; and a housing on which the circuit board is mounted, wherein the sensor assembly is mounted on the circuit board such that a detection portion side of the flow-rate detecting element is closer to the housing, and the sensor assembly includes a contact portion in contact with the housing on the detection portion side.
    Type: Grant
    Filed: January 21, 2020
    Date of Patent: February 6, 2024
    Assignee: Hitachi Astemo, Ltd.
    Inventors: Masatoshi Ogata, Norio Ishitsuka, Takahiro Miki, Akira Uenodan, Takayuki Yogo
  • Publication number: 20230408316
    Abstract: An object of the present invention is to provide a physical quantity detection device configured to reduce an influence of a resonance phenomenon of sound pressure on flow rate characteristics. The physical quantity detection device according to the present invention includes: a housing arranged in the main passage; a sub-passage arranged in the housing; a flow rate detection unit arranged in the sub-passage; a circuit unit electrically connected to the flow rate detection unit; a circuit chamber arranged in the housing and accommodating the circuit unit; and a first introduction passage including one end open to the sub-passage and the other end open to the circuit chamber to communicate between the sub-passage and the circuit chamber.
    Type: Application
    Filed: September 8, 2021
    Publication date: December 21, 2023
    Inventors: Nobuaki GORAI, Akira UENODAN, Naoki SAITO, Takahiro MIKI
  • Patent number: 11821780
    Abstract: An object is to improve measurement accuracy of a flow rate measurement device. A flow rate measurement device including: a first void which is formed of one surface of the support body and one surface of the circuit board; a second void which is formed of a surface opposite to the one surface of the circuit board and the housing; and a third void which is formed of a surface opposite to the one surface of the support body and a cover.
    Type: Grant
    Filed: June 9, 2020
    Date of Patent: November 21, 2023
    Assignee: Hitachi Astemo, Ltd.
    Inventors: Akira Uenodan, Nobuaki Gorai, Shigeto Hirohata, Naoki Saito, Takahiro Miki
  • Patent number: 11768682
    Abstract: A physical quantity detection device that can improve arithmetic resolution while preventing an increase in memory capacity is obtained. A physical quantity detection device 100 according to the present invention includes: a physical quantity detection sensor that detects a physical quantity of a measurement target gas; a storage unit that records a correction amount corresponding to a detection value of the physical quantity detection sensor; and an arithmetic unit 110 that performs output adjustment of the detection value using the detection value and the correction amount. Resolution of the storage unit 120 is lower than arithmetic resolution of the arithmetic unit 110.
    Type: Grant
    Filed: July 14, 2020
    Date of Patent: September 26, 2023
    Assignee: Hitachi Astemo, Ltd.
    Inventors: Takahiro Yamamoto, Takahiro Miki, Akira Kotabe
  • Publication number: 20230251120
    Abstract: According to the present invention, it is possible to provide a flow rate measurement device capable of accurately measuring a flow rate of a measurement target gas by improving anti-contamination property. A flow rate measurement device (20) of the present invention includes a board (304) disposed along a flow direction of a measurement target gas (2) in a sub passage (134), a support body (401) that is disposed to face one surface (304a) of the board, and a flow rate sensor (411) that is supported by the support body, faces the one surface of the board, and measures a flow rate of the measurement target gas passing between the support body and the board.
    Type: Application
    Filed: January 29, 2021
    Publication date: August 10, 2023
    Inventors: Akira UENODAN, Naoki SAITO, Takahiro MIKI, Nobuaki GORAI
  • Patent number: 11671888
    Abstract: Provided are a device for communicating with and controlling a small unmanned airplane, and a method therefor. In an information processing system to which the present invention is applied, a drone is provided with: a converter module that operates on a storage battery; an onboard communication means; an FDR module; a drive unit or the like, not illustrated; a leg section that contacts or approaches a landing port; and a charging terminal for supplying power for charging to the storage battery, the charging terminal being disposed in the proximal area. The landing port is the landing port where the drone lands, and has a projection for guiding the leg section onto a planar section.
    Type: Grant
    Filed: December 1, 2020
    Date of Patent: June 6, 2023
    Assignee: HONGO AEROSPACE INC.
    Inventors: Kenya Kaneda, Takahiro Miki
  • Publication number: 20230038150
    Abstract: A method for producing phosphorus in which a reaction for forming gaseous phosphorus (g) by bringing phosphorus oxide generated by heating a liquid phosphoric acid compound into contact with a carbon material to reduce the phosphorus oxide and for condensing the gaseous phosphorus (g) to obtain liquid phosphorus (L) is conducted by a flow reaction with a nonoxidizing gas flow, wherein the reduction reaction of the phosphorus oxide is conducted in a carbon material-packed bed, and the condensation of the formed gaseous phosphorus (g) is substantially conducted in a condensation accelerator-packed bed which is disposed downstream of the carbon material-packed bed in contact with the carbon material-packed bed.
    Type: Application
    Filed: October 9, 2020
    Publication date: February 9, 2023
    Applicant: TOHOKU UNIVERSITY
    Inventors: Tetsuya NAGASAKA, Takahiro MIKI, Kazuyo MATSUBAE, Yasushi SASAKI
  • Publication number: 20220390406
    Abstract: A diagnostic function of a humidity sensor is exposed to the outside and the humidity sensor is likely to deteriorate. An aspect of the present invention includes: a capacitance-voltage conversion circuit which includes a plurality of reference capacitors having different pieces of capacitance and a switch which switches the reference capacitors and outputs a voltage according to the capacitance of a humidity sensor; and a diagnosis unit which compares an output voltage of the capacitance-voltage conversion circuit with a reference voltage obtained from a reference characteristic of the humidity sensor and diagnoses the humidity sensor based on a comparison result. Also, the diagnosis unit changes the output voltage by changing the capacitance of the capacitance-voltage conversion circuit using the switch in a state in which the output voltage of the capacitance-voltage conversion circuit is within a certain range and compares the changed output voltage with the reference voltage.
    Type: Application
    Filed: October 20, 2020
    Publication date: December 8, 2022
    Applicant: HITACHI ASTEMO, LTD.
    Inventors: Eisaku FUKUCHI, Takahiro MIKI, Hiroaki HOSHIKA
  • Patent number: 11499854
    Abstract: Provided is a physical quantity detection device capable of improving noise performance of a flow rate detection unit as compared with the related art. The physical quantity detection device 20 includes a plate-like chip package 208 that is arranged to protrude from the flow path of the measurement target gas and has a width W along the flow direction of the measurement target gas. The chip package 208 includes a flow rate detection unit 205, an accelerating flow path 208c, a measurement surface 208a, a non-measurement surface 208b, and a separation flow portion 208d. The cross sectional area of the accelerating flow path 208c is reduced, and the flow rate detection unit 205 is arranged. The separation flow portion 208d partitions the second sub-passage 234b into a measurement flow path facing the measurement surface 208a and a non-measurement flow path facing the non-measurement surface 208b.
    Type: Grant
    Filed: January 23, 2020
    Date of Patent: November 15, 2022
    Assignee: Hitachi Astemo, Ltd.
    Inventors: Akira Uenodan, Satoshi Noda, Naoki Saito, Masamichi Nakamura, Takahiro Miki, Nobuaki Gorai, Takayuki Ishikawa
  • Patent number: 11480126
    Abstract: A flow-volume detecting apparatus including a flow-volume detecting unit which measures a flow volume of a measured fluid, a flow-volume state determining unit which determines a flow-volume state of the measured fluid based on an output from the flow-volume detecting unit. The flow-volume detecting apparatus further including a plurality of filters which process a flow-volume signal, and a filter selecting unit which selects a filter that processes the flow-volume signal, wherein the filter selecting unit selects the filter that processes the flow-volume signal according to the flow-volume state determined by the flow-volume state determining unit.
    Type: Grant
    Filed: September 15, 2017
    Date of Patent: October 25, 2022
    Assignee: HITACHI ASTEMO, LTD.
    Inventors: Yuki Isoya, Hiroaki Hoshika, Takahiro Miki, Takayuki Yogo, Takeo Hosokawa
  • Patent number: 11481752
    Abstract: A commodity purchase system for assisting a customer not in a store in making a purchase includes a relay server, a first terminal, and second terminal. The first terminal captures an image of commodities in the store, and the second terminal displays the image and detects a user selection operation at a position in the image, and then issues a scan request with information indicating a position in the image at which the selection operation was been made. Upon receipt of the scan request, the first terminal, display the image on which the selection operation was made with the position of the selection operation being marked in the image. The first terminal can then be used to scan one of the commodities and transmit, to the relay server, scanned commodity information. The relay server then registers the scanned commodities for purchase.
    Type: Grant
    Filed: August 20, 2021
    Date of Patent: October 25, 2022
    Assignee: TOSHIBA TEC KABUSHIKI KAISHA
    Inventors: Takahiro Miki, Atsushi Nakamoto
  • Publication number: 20220318010
    Abstract: A physical quantity detection device that can improve arithmetic resolution while preventing an increase in memory capacity is obtained. A physical quantity detection device 100 according to the present invention includes: a physical quantity detection sensor that detects a physical quantity of a measurement target gas; a storage unit that records a correction amount corresponding to a detection value of the physical quantity detection sensor; and an arithmetic unit 110 that performs output adjustment of the detection value using the detection value and the correction amount. Resolution of the storage unit 120 is lower than arithmetic resolution of the arithmetic unit 110.
    Type: Application
    Filed: July 14, 2020
    Publication date: October 6, 2022
    Inventors: Takahiro YAMAMOTO, Takahiro MIKI, Akira KOTABE
  • Publication number: 20220307876
    Abstract: In the physical quantity detection device, the occurrence of the measurement error is reduced by suppressing the flow bias in the sub-passage and reducing the resistance in the passage. A physical quantity detection device 30 of the present invention includes a measuring portion 310 disposed in a main passage, a sub-passage 330 that takes a gas to be measured from the main passage, a support member 603 that divides a part of the sub-passage into two flow paths of one surface side and the other surface side in a direction intersecting a passage width direction, and a flow rate detection element 602 disposed on one surface of the support member. The sub-passage includes a straight portion 321 in which the support member is disposed and a downstream curved portion 322 that is curved to one side in the passage width direction of the straight portion.
    Type: Application
    Filed: June 12, 2020
    Publication date: September 29, 2022
    Inventors: Masamichi NAKAMURA, Akira UENODAN, Takahiro MIKI, Nobuaki GORAI, Naoki SAITO, Takayuki ISHIKAWA
  • Publication number: 20220271628
    Abstract: A rotating electric machine includes: a rotor rotatable about a central axis; a stator; a temperature detection unit measuring the temperature of the stator; and a refrigerant supply unit supplying a refrigerant to the stator. The stator includes a stator core and a coil assembly held by the stator core. The coil assembly includes a coil end protruding from the stator core in an axial direction, coil lead wires, and at least one neutral point member electrically connecting ends of the coil lead wires and arranged at the coil end. The temperature detection unit is arranged in a temperature detection region being a partial region in a circumferential direction of the coil end. The refrigerant supply unit has a refrigerant supply hole that opens toward the temperature detection region. At least a part of the at least one neutral point member is arranged in the temperature detection region.
    Type: Application
    Filed: February 15, 2022
    Publication date: August 25, 2022
    Inventor: Takahiro MIKI
  • Patent number: 11401899
    Abstract: To obtain a physical quantity detection device capable of reducing an intake amount of air accompanied by foreign matter. A physical quantity detection device (20) of the invention includes a housing arranged in a main passage through which a measurement target gas (2) flows. The housing is provided with a second sub-passage (B) that takes in a part of the measurement target gas (2) flowing in the main passage, a circuit chamber (135) that accommodates a pressure sensor (320) that detects a pressure of the measurement target gas (2), and a pressure introduction passage (170) having one end opened in the middle of the second sub-passage (B) and the other end opened in the circuit chamber (135) and capable of introducing the pressure of the measurement target gas (2) from the second sub-passage (B) into the circuit chamber (135). In the pressure introduction passage (170), an introduction port (171) is arranged at a position offset outward from a side wall surface (152b) of the second sub-passage (B).
    Type: Grant
    Filed: February 7, 2020
    Date of Patent: August 2, 2022
    Assignee: Hitachi Astemo, Ltd.
    Inventors: Nobuaki Gorai, Takahiro Miki, Akira Uenodan, Naoki Saito
  • Publication number: 20220238359
    Abstract: A controlling method according to an aspect of the present disclosure includes a first chamber provided with a fan, a second chamber to which a replacement gas is sent from the first chamber by the fan and which includes a transporter configured to transport a substrate, a circulation line configured to communicate the first chamber and the second chamber with each other and circulate the replacement gas, and a valve provided in the circulation line. The method includes replacing an inside of the first chamber and an inside of the second chamber with the replacement gas by turning off the fan and closing the valve, and circulating the replacement gas through the circulation line by turning on the fan and opening the valve. The replacing includes controlling the fan to be turned on and the valve to be opened for a predetermined period of time.
    Type: Application
    Filed: January 21, 2022
    Publication date: July 28, 2022
    Inventors: Hiroto Sato, Takahiro Miki, Mitsuru Obara
  • Patent number: 11397102
    Abstract: It is possible to suppress overcorrection. A physical quantity detecting device includes: a physical quantity detecting sensor that detects a physical quantity of a measurement target fluid and outputs a detection signal; a compensation amount calculation unit that calculates, by using the detection signal, a lead compensation amount used in lead compensation for the detection signal; and a gain control unit that adjusts the lead compensation amount based on a deviation that is an amount of change in lead compensation amount over time.
    Type: Grant
    Filed: February 13, 2019
    Date of Patent: July 26, 2022
    Assignee: HITACHI ASTEMO, LTD.
    Inventors: Takahiro Yamamoto, Tsutomu Kono, Takahiro Miki, Yuki Isoya
  • Publication number: 20220214198
    Abstract: An object is to improve measurement accuracy of a flow rate measurement device. A flow rate measurement device including: a first void which is formed of one surface of the support body and one surface of the circuit board; a second void which is formed of a surface opposite to the one surface of the circuit board and the housing; and a third void which is formed of a surface opposite to the one surface of the support body and a cover.
    Type: Application
    Filed: June 9, 2020
    Publication date: July 7, 2022
    Inventors: Akira UENODAN, Nobuaki GARAI, Shigeto HIROHATA, Naoki SAITO, Takahiro MIKI