Patents by Inventor Masatoshi OGATA

Masatoshi OGATA 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: 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: 20220082421
    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: Application
    Filed: January 21, 2020
    Publication date: March 17, 2022
    Inventors: Masatoshi OGATA, Norio ISHITSUKA, Takahiro MIKI, Akira UENODAN, Takayuki YOGO
  • Patent number: 10928232
    Abstract: The purpose is to improve the measurement accuracy of a thermal air flow meter. The device has: an auxiliary passage for entraining a portion of a fluid being measured; a sensor chip arranged in the auxiliary passage, for measuring the flow rate of the fluid being measured; an electronic component having an internal resistor, for converting the fluid flow rate detected by the sensor chip to an electrical signal; and a substrate on which the sensor chip and the electronic component are mounted. The substrate is covered by a filler material, on the surface of which the electronic component is mounted.
    Type: Grant
    Filed: September 24, 2015
    Date of Patent: February 23, 2021
    Assignee: Hitachi Automotive Systems, Ltd.
    Inventors: Masatoshi Ogata, Norio Ishitsuka, Takayuki Yogo, Hiroaki Hoshika
  • Patent number: 10775215
    Abstract: To obtain a flow meter with which it is possible to facilitate establishing an electrical connection with a conductor exposed in a location through which a gas to be measured passes. A flow meter that is provided with a lead and a circuit component placed on the lead, and that has a package in which part of the lead is molded from a resin, wherein the package is provided with an exposure portion for exposing part of the lead from the resin member, the exposure portion being electrically connected to a conductor that constitutes part of an auxiliary passage.
    Type: Grant
    Filed: October 5, 2016
    Date of Patent: September 15, 2020
    Assignee: HITACHI AUTOMOTIVE SYSTEMS, LTD.
    Inventors: Akira Uenodan, Shinobu Tashiro, Takeshi Morino, Masatoshi Ogata, Tsubasa Watanabe, Norio Ishitsuka
  • Patent number: 10386216
    Abstract: In order to provide a thermal flow sensor having high measurement accuracy, the thermal type air flow sensor includes a flow detecting unit, a sub passage on which the flow detecting unit is disposed, and an LSI to which a signal obtained by the flow detecting unit is input and which outputs a signal to the outside. A side wall of the sub passage is disposed between the flow detecting unit and the LSI, or on the LSI. A diffusion resistor provided inside the LSI has its longitudinal direction in parallel with a <100> orientation of single-crystal Si.
    Type: Grant
    Filed: December 13, 2013
    Date of Patent: August 20, 2019
    Assignee: Hitachi Automotive Systems, Ltd.
    Inventors: Masatoshi Ogata, Norio Ishitsuka, Masahiro Matsumoto
  • Publication number: 20180306619
    Abstract: To obtain a flow meter with which it is possible to facilitate establishing an electrical connection with a conductor exposed in a location through which a gas to be measured passes. A flow meter that is provided with a lead and a circuit component placed on the lead, and that has a package in which part of the lead is molded from a resin, wherein the package is provided with an exposure portion for exposing part of the lead from the resin member, the exposure portion being electrically connected to a conductor that constitutes part of an auxiliary passage.
    Type: Application
    Filed: October 5, 2016
    Publication date: October 25, 2018
    Applicant: HITACHI AUTOMOTIVE SYSTEMS, LTD.
    Inventors: Akira UENODAN, Shinobu TASHIRO, Takeshi MORINO, Masatoshi OGATA, Tsubasa WATANABE, Norio ISHITSUKA
  • Patent number: 9945706
    Abstract: An object of the present invention is to provide a thermal-type air flow meter with a high measurement accuracy by reducing influence of a thermal stress generated in a resistor in an LSI while securing a high positioning accuracy flow rate detection unit.
    Type: Grant
    Filed: February 3, 2014
    Date of Patent: April 17, 2018
    Assignee: HITACHI AUTOMOTIVE SYSTEMS, LTD.
    Inventors: Masatoshi Ogata, Norio Ishitsuka, Shinobu Tashiro, Noboru Tokuyasu, Takeshi Morino
  • Patent number: 9802612
    Abstract: A vehicle engine activation control system includes a starter connected to a battery; an idle stop control unit configured to automatically stop an engine and automatically reactivate the engine by the starter; an input unit configured to generate an operation request in response to input from a driver; an electric parking brake device including an electric motor connected to the battery, wherein the electric motor starts driving in response to the operation request; and a mediating unit configured to prohibit the reactivation of the engine by the idle stop control unit, when the electric motor is in a driving state in response to a predetermined operation request.
    Type: Grant
    Filed: April 21, 2016
    Date of Patent: October 31, 2017
    Assignees: TOYOTA JIDOSHA KABUSHIKI KAISHA, TOYOTA MOTOR EUROPE NV/SA
    Inventors: Masatoshi Ogata, Hirokazu Kato, Natsumi Oami, Julien Vaissaud, Kohnosuke Sobajima, Remi Delefosse
  • Publication number: 20170241820
    Abstract: The purpose is to improve the measurement accuracy of a thermal air flow meter. The device has: an auxiliary passage for entraining a portion of a fluid being measured; a sensor chip arranged in the auxiliary passage, for measuring the flow rate of the fluid being measured; an electronic component having an internal resistor, for converting the fluid flow rate detected by the sensor chip to an electrical signal; and a substrate on which the sensor chip and the electronic component are mounted. The substrate is covered by a filler material, on the surface of which the electronic component is mounted.
    Type: Application
    Filed: September 24, 2015
    Publication date: August 24, 2017
    Inventors: Masatoshi OGATA, Norio ISHITSUKA, Takayuki YOGO, Hiroaki HOSHIKA
  • Patent number: 9630612
    Abstract: A vehicle engine activation control system includes a starter connected to a battery; an input unit configured to generate an operation request in response to input from a driver; an electric parking brake device including an electric motor connected to the battery, wherein the electric motor starts driving in response to the operation request; an idle stop control unit configured to automatically stop an engine and automatically reactivate the engine by the starter; and a mediating unit configured to prohibit the driving of the electric motor in response to a predetermined operation request, in at least one of a case where the predetermined operation request is generated while the engine is automatically stopping or after the automatic stopping of the engine is completed, and a case where the predetermined operation request is generated during the reactivation of the engine.
    Type: Grant
    Filed: April 19, 2016
    Date of Patent: April 25, 2017
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Masatoshi Ogata, Hirokazu Kato, Natsumi Oami
  • Patent number: 9523595
    Abstract: An objective of the present invention is, in a thermal flow meter having a structure including a resin portion formed in the vicinity of a diaphragm structural portion using a mold, to prevent destruction of the diaphragm structural portion at the time of pressing the mold, in a method of manufacturing the thermal flow meter, including: supporting a gas flow measurement element 200 on support members 102b and 111, the gas flow measurement element 200 including a cavity portion 202 surrounded by a substrate inclined portion 202a inclined to a substrate surface, a diaphragm 201 that covers the cavity portion, and an electrical resistive element formed in the diaphragm 201; and covering the gas flow measurement element 200 and the support members 102b and 111 with the resin portion 104 formed with the mold, to set the mold 14 such that an acting portion of pressure force by the mold that molds the resin portion 104 is positioned outside the substrate inclined portion 202a in the entire periphery of the diaphragm
    Type: Grant
    Filed: February 7, 2014
    Date of Patent: December 20, 2016
    Assignee: Hitachi Automotive Systems, Ltd.
    Inventors: Norio Ishitsuka, Masatoshi Ogata, Tsutomu Kono, Tsubasa Watanabe, Shinobu Tashiro, Noboru Tokuyasu
  • Publication number: 20160311434
    Abstract: A vehicle engine activation control system includes a starter connected to a battery; an input unit configured to generate an operation request in response to input from a driver; an electric parking brake device including an electric motor connected to the battery, wherein the electric motor starts driving in response to the operation request; an idle stop control unit configured to automatically stop an engine and automatically reactivate the engine by the starter; and a mediating unit configured to prohibit the driving of the electric motor in response to a predetermined operation request, in at least one of a case where the predetermined operation request is generated while the engine is automatically stopping or after the automatic stopping of the engine is completed, and a case where the predetermined operation request is generated during the reactivation of the engine.
    Type: Application
    Filed: April 19, 2016
    Publication date: October 27, 2016
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Masatoshi OGATA, Hirokazu KATO, Natsumi OAMI
  • Publication number: 20160311436
    Abstract: A vehicle engine activation control system includes a starter connected to a battery; an idle stop control unit configured to automatically stop an engine and automatically reactivate the engine by the starter; an input unit configured to generate an operation request in response to input from a driver; an electric parking brake device including an electric motor connected to the battery, wherein the electric motor starts driving in response to the operation request; and a mediating unit configured to prohibit the reactivation of the engine by the idle stop control unit, when the electric motor is in a driving state in response to a predetermined operation request.
    Type: Application
    Filed: April 21, 2016
    Publication date: October 27, 2016
    Applicants: TOYOTA JIDOSHA KABUSHIKI KAISHA, TOYOTA MOTOR EUROPE NV/SA
    Inventors: Masatoshi OGATA, Hirokazu KATO, Natsumi OAMI, Julien VAISSAUD, Kohnosuke SOBAJIMA, Remi DELEFOSSE
  • Publication number: 20160311435
    Abstract: A vehicle engine activation control system includes a starter connected to a battery; an idle stop control unit configured to automatically stop an engine and automatically reactivate the engine by the starter; an input unit configured to generate an operation request in response to input from a driver; an electric parking brake device including an electric motor connected to the battery, wherein the electric motor starts driving in response to the operation request; and a mediating unit configured to prohibit the reactivation of the engine by the idle stop control unit when the electric motor is in a driving state in response to a predetermined operation request, and also to prohibit the driving of the electric motor in response to the predetermined operation request while the engine is being reactivated by the idle stop control unit.
    Type: Application
    Filed: April 19, 2016
    Publication date: October 27, 2016
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Masatoshi OGATA, Hirokazu KATO, Natsumi OAMI
  • Publication number: 20160161312
    Abstract: An object of the present invention is to provide a thermal-type air flow meter with a high measurement accuracy by reducing influence of a thermal stress generated in a resistor in an LSI while securing a high positioning accuracy flow rate detection unit.
    Type: Application
    Filed: February 3, 2014
    Publication date: June 9, 2016
    Applicant: Hitachi Automotive Systems, Ltd.
    Inventors: Masatoshi OGATA, Norio ISHITSUKA, Shinobu TASHIRO, Noboru TOKUYASU, Takeshi MORINO
  • Publication number: 20160146652
    Abstract: An objective of the present invention is, in a thermal flowmeter having a structure including a resin portion formed in the vicinity of a diaphragm structural portion using a mold, to prevent destruction of the diaphragm structural portion at the time of pressing the mold, in a method of manufacturing the thermal flow meter, including: supporting a gas flow measurement element 200 on support members 102b and 111, the gas flow measurement element 200 including a cavity portion 202 surrounded by a substrate inclined portion 202a inclined to a substrate surface, a diaphragm 201 that covers the cavity portion, and an electrical resistive element formed in the diaphragm 201; and covering the gas flow measurement element 200 and the support members 102b and 111 with the resin portion 104 formed with the mold, to set the mold 14 such that an acting portion of pressure force by the mold that molds the resin portion 104 is positioned outside the substrate inclined portion 202a in the entire periphery of the diaphragm
    Type: Application
    Filed: February 7, 2014
    Publication date: May 26, 2016
    Applicant: Hitachi Automotive Systems, Ltd.
    Inventors: Norio ISHITSUKA, Masatoshi OGATA, Tsutomu KONO, Tsubasa WATANABE, Shinobu TASHIRO, Noboru TOKUYASU
  • Publication number: 20160025539
    Abstract: In order to provide a thermal flow sensor having high measurement accuracy, the thermal type air flow sensor includes a flow detecting unit, a sub passage on which the flow detecting unit is disposed, and an LSI to which a signal obtained by the flow detecting unit is input and which outputs a signal to the outside. A side wall of the sub passage is disposed between the flow detecting unit and the LSI, or on the LSI. A diffusion resistor provided inside the LSI has its longitudinal direction in parallel with a <100> orientation of single-crystal Si.
    Type: Application
    Filed: December 13, 2013
    Publication date: January 28, 2016
    Inventors: Masatoshi OGATA, Norio ISHITSUKA, Masahiro MATSUMOTO