Patents by Inventor Masatoshi Ito

Masatoshi Ito 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: 11189963
    Abstract: A connector (female connector 1) is provided with an inner housing 20 from which wires W are pulled out to outside and which is connected to a mating housing 90, and a vibration transmitting member 30, 40 including a mating contact portion (inner peripheral surface 31A) capable of coming into contact with the mating housing 90. The vibration transmitting member 30, 40 includes a wire fixing portion 43 to which the wires W are fixed, and is capable of transmitting vibration from the wire fixing portion 43 to the mating housing 90 from the mating contact portion 31A. The inner housing 20 is allowed to relatively move with respect to the vibration transmitting member 30, 40.
    Type: Grant
    Filed: November 6, 2018
    Date of Patent: November 30, 2021
    Inventors: Naomichi Kawashima, Tomohiko Kobayashi, Yutaro Yoshida, Masatoshi Ito, Hirokazu Komori
  • Patent number: 11162452
    Abstract: An internal combustion engine control apparatus including an electronic control unit having a microprocessor and a memory. The microprocessor is configured to perform switching an injection mode between a first injection mode in which the fuel is injected in a range including an intake stroke and a compression stroke of an internal combustion engine and a second injection mode in which the fuel is injected in the range so that an injection frequency in the compression stroke in the second injection mode is greater than an injection frequency in the compression stroke in the first injection mode; and determining whether the injection mode needs to be switched based on an ignition timing of the ignitor.
    Type: Grant
    Filed: March 29, 2021
    Date of Patent: November 2, 2021
    Assignee: Honda Motor Co., Ltd.
    Inventors: Hidekazu Hironobu, Daiki Yamazaki, Masatoshi Nakajima, Nobuaki Ito, Ryuichi Hata, Hiroaki Tone
  • Patent number: 11162446
    Abstract: A fuel injection control apparatus including a microprocessor. The microprocessor is configured to perform calculating a target injection time, determining a first crank angle defining a start of fuel injection and a second crank angle defining an end of fuel injection, controlling a fuel injector in a first injection mode in which the fuel is injected for the first target injection time from a first time point corresponding to the first crank angle or a second injection mode in which the fuel is injected for the second target injection time from a second time point corresponding to a target crank angle, and the controlling including controlling the fuel injector so as to inject the fuel in an intake stroke in the first injection mode, while inject the fuel in a compression stroke in the second injection mode.
    Type: Grant
    Filed: March 29, 2021
    Date of Patent: November 2, 2021
    Assignee: Honda Motor Co., Ltd.
    Inventors: Masatoshi Nakajima, Hidekazu Hironobu, Nobuaki Ito, Yasunori Shinmi, Ryuichi Hata, Daiki Yamazaki
  • Patent number: 11139607
    Abstract: A connector (1) is provided with an inner housing (20) to be fit to an inner periphery of a mating housing (M) and an outer housing (30) fittable to an outer periphery of the mating housing (M). The outer housing (30) is held on the inner housing (20) by first locks (50) before connection to the mating housing (M), is held connected to the mating housing (M) by a second lock (60) at the time of connection to the mating housing M, and is separated from the inner housing (20) and held connected to the mating housing (M) by releasing the first locks (50) at the time of separation from the mating housing (M).
    Type: Grant
    Filed: November 6, 2018
    Date of Patent: October 5, 2021
    Inventors: Naomichi Kawashima, Tomohiko Kobayashi, Yutaro Yoshida, Masatoshi Ito
  • Publication number: 20210301744
    Abstract: An internal combustion engine control apparatus is configured to control an internal combustion engine including a piston reciprocating in a cylinder and a fuel injector arranged to inject a fuel into a combustion chamber facing the piston in the cylinder. The internal combustion engine control apparatus includes an electronic control unit having a microprocessor and a memory. The microprocessor is configured to perform controlling the fuel injector so as to inject the fuel in an injectable area from a first crank angle at which an intake stroke is started to a second crank angle at which a compression stroke is ended, and setting an injection frequency of the fuel injected by the fuel injector in the injectable area. The microprocessor is configured to perform the setting including setting the injection frequency between once and four times.
    Type: Application
    Filed: March 29, 2021
    Publication date: September 30, 2021
    Inventors: Ryuichi Hata, Daiki Yamazaki, Hidekazu Hironobu, Masatoshi Nakajima, Nobuaki Ito, Takaya Kawana
  • Publication number: 20210301751
    Abstract: An internal combustion engine control apparatus including a microprocessor. The microprocessor is configured to perform determining whether a warm-up of an exhaust catalyst device disposed on an exhaust passage of an internal combustion engine is complete; acquiring an information on a temperature inside a cylinder of the internal combustion engine; switching an injection mode to a first injection mode or a second injection mode in accordance with an information on a temperature inside the cylinder when it is determined that a warm-up of the exhaust catalyst device is complete; and controlling a fuel injector so as to inject the fuel in accordance with an injection mode.
    Type: Application
    Filed: March 29, 2021
    Publication date: September 30, 2021
    Inventors: Hidekazu Hironobu, Nobuaki Ito, Ryuichi Hata, Daiki Yamazaki, Masatoshi Nakajima
  • Publication number: 20210301752
    Abstract: An internal combustion engine control apparatus including a microprocessor. The microprocessor is configured to perform determining whether a start of the internal combustion engine is complete, determining whether a warm-up of an exhaust catalyst device is needed, acquiring an information on a temperature inside a cylinder, switching an injection mode, and controlling the fuel injector to inject the fuel in accordance with the injection mode, the switching including switching the injection mode to the first injection mode when the start of the internal combustion engine is complete and the warm-up of the exhaust catalyst device is needed, and switching the injection mode to the second injection mode or the third injection mode in accordance with the information on the temperature when the start of the internal combustion engine is complete and the warm-up of the exhaust catalyst device is not needed.
    Type: Application
    Filed: March 29, 2021
    Publication date: September 30, 2021
    Inventors: Hidekazu Hironobu, Ryuichi Hata, Daiki Yamazaki, Masatoshi Nakajima, Nobuaki Ito
  • Publication number: 20210301756
    Abstract: A fuel injection control apparatus including a microprocessor. The microprocessor is configured to perform calculating injection target values per a combustion cycle, controlling a fuel injector so as to inject fuel in accordance with the injection target values, instructing a switching between a first mode injecting the fuel and a second mode stopping the fuel injection, determining whether it is possible to inject the fuel in accordance with the injection target values when the switching from the second mode to the first mode is instructed, and modifying the injection target values by reducing a target injection frequency when it is determined to be impossible to inject the fuel in accordance with the injection target values, and the controlling including controlling the fuel injector, when the injection target values are modified, so as to inject the fuel in accordance with modified injection target values.
    Type: Application
    Filed: March 29, 2021
    Publication date: September 30, 2021
    Inventors: Masatoshi Nakajima, Masahiro Takeuchi, Hidekazu Hironobu, Daiki Yamazaki, Nobuaki Ito, Ryuichi Hata, Yasunori Shinmi
  • Publication number: 20210301741
    Abstract: A temperature acquisition apparatus for an internal combustion engine is configured to acquire a temperature of a combustion chamber of the internal combustion engine. The apparatus includes: an electronic control unit having a processor and a memory coupled to the processor. The processor is configured to perform: acquiring an intake air amount of the internal combustion engine; calculating a cumulative intake air amount based on the intake air amount; and acquiring a temperature of the internal combustion engine based on the cumulative intake air amount.
    Type: Application
    Filed: March 29, 2021
    Publication date: September 30, 2021
    Inventors: Daiki Yamazaki, Hidekazu Hironobu, Masatoshi Nakajima, Ryuichi Hata, Nobuaki Ito
  • Publication number: 20210301745
    Abstract: A fuel injection control apparatus including a microprocessor. The microprocessor is configured to perform calculating a target injection time, determining a first crank angle defining a start of fuel injection and a second crank angle defining an end of fuel injection, controlling a fuel injector in a first injection mode in which the fuel is injected for the first target injection time from a first time point corresponding to the first crank angle or a second injection mode in which the fuel is injected for the second target injection time from a second time point corresponding to a target crank angle, and the controlling including controlling the fuel injector so as to inject the fuel in an intake stroke in the first injection mode, while inject the fuel in a compression stroke in the second injection mode.
    Type: Application
    Filed: March 29, 2021
    Publication date: September 30, 2021
    Inventors: Masatoshi Nakajima, Hidekazu Hironobu, Nobuaki Ito, Yasunori Shinmi, Ryuichi Hata, Daiki Yamazaki
  • Publication number: 20210301747
    Abstract: A fuel injection control apparatus including a microprocessor. The microprocessor is configured to perform calculating a target injection time, determining a first crank angle defining a start of fuel injection and a second crank angle defining an end of fuel injection, controlling a fuel injector in an injection start priority mode in which the fuel is injected for the first target injection time from a first time point corresponding to the first crank angle or an injection end priority mode in which the fuel is injected for the second target injection time from a second time point corresponding to a target crank angle, and the controlling including controlling the fuel injector so as to inject the fuel in the injection start priority mode or the injection end priority mode in accordance with an injection mode.
    Type: Application
    Filed: March 29, 2021
    Publication date: September 30, 2021
    Inventors: Masatoshi Nakajima, Hidekazu Hironobu, Daiki Yamazaki, Ryuichi Hata, Nobuaki Ito, Yasunori Shinmi
  • Publication number: 20210301746
    Abstract: A fuel injection control apparatus including a microprocessor. The microprocessor is configured to perform calculating a target injection time, determining a first crank angle defining a start of fuel injection and a second crank angle defining an end of fuel injection, controlling a fuel injector in a first injection mode in which the fuel is injected for the first target injection time from a first time point corresponding to the first crank angle or a second injection mode in which the fuel is injected for the second target injection time from a second time point corresponding to a target crank angle, and the controlling including controlling the fuel injector so as to inject the fuel in the first injection mode first and in the second injection mode last when the fuel is injected multiple times between an intake stroke and a compression stroke.
    Type: Application
    Filed: March 29, 2021
    Publication date: September 30, 2021
    Inventors: Masatoshi Nakajima, Hidekazu Hironobu, Nobuaki Ito, Yasunori Shinmi, Ryuichi Hata, Daiki Yamazaki
  • Publication number: 20210301753
    Abstract: An internal combustion engine control apparatus including an electronic control unit having a microprocessor and a memory. The microprocessor is configured to perform switching an injection mode between a first injection mode in which the fuel is injected in a range including an intake stroke and a compression stroke of an internal combustion engine and a second injection mode in which the fuel is injected in the range so that an injection frequency in the compression stroke in the second injection mode is greater than an injection frequency in the compression stroke in the first injection mode; and determining whether the injection mode needs to be switched based on an ignition timing of the ignitor.
    Type: Application
    Filed: March 29, 2021
    Publication date: September 30, 2021
    Inventors: Hidekazu Hironobu, Daiki Yamazaki, Masatoshi Nakajima, Nobuaki Ito, Ryuichi Hata, Hiroaki Tone
  • Publication number: 20210294094
    Abstract: A projector includes a light outputting apparatus that outputs video light, a projection system that enlarges and projects the video light, and an optical device disposed between the light outputting apparatus and the projection system. The optical device includes a movable section including a glass plate (optical section) having a light incident surface on which the video light is incident, a shaft section that swingably supports the movable section around a first swing axis, and an actuator that causes the movable section to swing. The cross-sectional shape of the shaft section viewed in the direction along the first swing axis is a shape having a plurality of recesses recessed inward.
    Type: Application
    Filed: March 17, 2021
    Publication date: September 23, 2021
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Shinichi WAKABAYASHI, Masatoshi ITO
  • Publication number: 20210280840
    Abstract: An electrode group includes a positive electrode, a negative electrode, and a current collecting tab. The current collecting tab is provided in one of the positive electrode and the negative electrode, and protrudes relative to the other of the positive electrode and the negative electrode. The current collecting tab is formed with one or more slit parts penetrating the current collecting tab in a thickness direction intersecting a protruding direction of the current collecting tab. Each of the one or more slit parts extends along a width direction intersecting both the protruding direction and the thickness direction. At each of the one or more slit parts, a circular portion is formed at at least one of the two ends in the width direction.
    Type: Application
    Filed: November 11, 2020
    Publication date: September 9, 2021
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Masatoshi TANABE, Kazuo SHIMOKAWA, Takahiro AIZAWA, Takashi ITO
  • Publication number: 20210280841
    Abstract: According to an embodiment, a bundling method and a bundling apparatus of a plurality of band-shaped parts of a current collecting tab in an electrode group, in which the current collecting tab projects, are provided. In the bundling method and apparatus, the current collecting tab is deformed by moving a bundling tool, with the bundling tool being abutted to the current collecting tab from an outer side in a lamination direction of a plurality of band-shaped parts. At this time, the bundling tool is moved so that a moving direction of the bundling tool is inclined with respect to the lamination direction of the plurality of band-shaped parts, toward a side opposite to a side where the current collecting tab projects.
    Type: Application
    Filed: November 11, 2020
    Publication date: September 9, 2021
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Takahiro AIZAWA, Kazuo SHIMOKAWA, Takashi ITO, Masatoshi TANABE
  • Publication number: 20210247671
    Abstract: A projector includes an optical path change device placed between a light modulation device and a projection optical device. The optical path change device has an optical member holding part that holds an optical member that a light modulated by the light modulation device enters, and a supporting member that swingably supports the optical member holding part. The supporting member is supported by a holding member that holds the light modulation device or the projection optical device.
    Type: Application
    Filed: February 5, 2021
    Publication date: August 12, 2021
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Shinichi WAKABAYASHI, Masatoshi ITO, Takahiro TOTSUKA
  • Publication number: 20210175661
    Abstract: A connector (female connector 1) is provided with an inner housing 20 from which wires W are pulled out to outside and which is connected to a mating housing 90, and a vibration transmitting member 30, 40 including a mating contact portion (inner peripheral surface 31A) capable of coming into contact with the mating housing 90. The vibration transmitting member 30, 40 includes a wire fixing portion 43 to which the wires W are fixed, and is capable of transmitting vibration from the wire fixing portion 43 to the mating housing 90 from the mating contact portion 31A. The inner housing 20 is allowed to relatively move with respect to the vibration transmitting member 30, 40.
    Type: Application
    Filed: November 6, 2018
    Publication date: June 10, 2021
    Inventors: Naomichi Kawashima, Tomohiko Kobayashi, Yutaro Yoshida, Masatoshi Ito, Hirokazu Komori
  • Patent number: 11031539
    Abstract: To provide a vibrator made of a piezoelectric crystal having a larger electromechanical coupling coefficient and a more satisfactory frequency-temperature characteristic than those of quartz, a vibrating piece (101) is made of a Ca3Ta(Ga1-xAlx)3Si2O14 single crystal (0<x?1). In the single crystal, letting ? be a rotation angle from an X-Z plane about an X-axis serving as a rotation axis, 18x+17.5???24x+24.5 is set. In addition, the vibrating piece (101) is made of a Ca3Nb(Ga1-xAlx)3Si2O14 single crystal (0<x?1). In the single crystal of this arrangement, letting ? be a rotation angle from an X-Z plane about an X-axis serving as a rotation axis, 25x+23.083???32x+26.167 is set.
    Type: Grant
    Filed: November 4, 2016
    Date of Patent: June 8, 2021
    Assignees: PIEZO STUDIO INC., TOHOKU UNIVERSITY
    Inventors: Akira Yoshikawa, Yuji Ohashi, Yuui Yokota, Kei Kamada, Masatoshi Ito, Kenji Inoue, Hiroyuki Amano
  • Publication number: 20200274285
    Abstract: A connector (1) is provided with an inner housing (20) to be fit to an inner periphery of a mating housing (M) and an outer housing (30) fittable to an outer periphery of the mating housing (M). The outer housing (30) is held on the inner housing (20) by first locks (50) before connection to the mating housing (M), is held connected to the mating housing (M) by a second lock (60) at the time of connection to the mating housing M, and is separated from the inner housing (20) and held connected to the mating housing (M) by releasing the first locks (50) at the time of separation from the mating housing (M).
    Type: Application
    Filed: November 6, 2018
    Publication date: August 27, 2020
    Inventors: Naomichi Kawashima, Tomohiko Kobayashi, Yutaro Yoshida, Masatoshi Ito