Patents by Inventor Taichi Yamaguchi
Taichi Yamaguchi 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: 11740318Abstract: A tire pressure monitoring system used for a vehicle includes a sensor unit, a receiving device, and a control device. The sensor unit is provided at each wheel of the vehicle, detects tire pressure of the each wheel with a tire pressure sensor and transmits data of the detected tire pressure by radio waves. The receiving device includes a receiving antenna that is provided at an outside of the vehicle to receive the data of the tire pressure transmitted from the sensor unit. The control device includes a data acquisition unit that acquires the data of the tire pressure received by the receiving device.Type: GrantFiled: December 21, 2020Date of Patent: August 29, 2023Assignee: DENSO CORPORATIONInventor: Taichi Yamaguchi
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Publication number: 20230183460Abstract: Provided are an inorganic substance powder-filled resin composition having uniform dispersibility of inorganic substance powder and providing stable mechanical properties after forming even when the inorganic substance powder is highly filled and a formed article using the inorganic substance powder-filled resin composition. Provided is an inorganic substance powder-filled resin composition including a thermoplastic resin and inorganic substance powder in a mass ratio of 50:50 to 10:90, in which a neutralized product of a polymer made of 50% by mole to 100% by mole of an ?,?-unsaturated carboxylic acid and 0% by mole to 50% by mole of another monomer as constitutional units is added. A formed body is prepared using this inorganic substance powder-filled resin composition.Type: ApplicationFiled: February 21, 2020Publication date: June 15, 2023Inventors: Hiroshi NAKAMURA, Eiji MIZUNO, Taichi YAMAGUCHI
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Patent number: 11630194Abstract: A position determination system a determines whether a mobile terminal is present outside a vehicle compartment based on a reception strength of a radio signal transmitted from the mobile terminal through a vehicle interior antenna and a reception strength of a radio signal transmitted from the mobile terminal through a vehicle exterior antenna, and the vehicle exterior antenna is configured to be disposed in a predetermined region in a vicinity of a window of a vehicle in an outer surface portion of a vehicle.Type: GrantFiled: April 8, 2020Date of Patent: April 18, 2023Assignees: DENSO CORPORATION, SOKEN, INC.Inventors: Hidenori Osai, Kenichiro Sanji, Taichi Yamaguchi, Kazunari Nakamura, Munenori Matsumoto, Takashi Shinoda
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Patent number: 11549005Abstract: Provided is a thermoplastic resin composition that reduces uneven distribution of inorganic substance particles and is suitable for producing a formed article having excellent appearance and mechanical properties even when the thermoplastic resin is highly filled with inorganic substance powder and a formed article using this thermoplastic resin composition. Provided are an inorganic substance powder-containing thermoplastic resin composition including a thermoplastic resin and inorganic substance powder in a mass ratio of 50:50 to 10:90, in which the inorganic substance powder is calcium carbonate particles, the calcium carbonate particles include at least two groups of particles having different average particle diameters, and any of the average particle diameters of the particle groups is within a range of 0.7 ?m or more and 6.0 ?m or less; and a formed article using this inorganic substance powder-containing thermoplastic resin composition.Type: GrantFiled: February 21, 2020Date of Patent: January 10, 2023Assignee: TBM CO., LTD.Inventors: Hiroshi Nakamura, Eiji Mizuno, Taichi Yamaguchi
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Patent number: 11520328Abstract: A mobile terminal to be carried by a user of a vehicle acquires a captured image of the vehicle, acquires distance information on a distance to the vehicle based on the captured image, determines whether the distance to the vehicle is within a predetermined allowable distance based on the distance information, and transmits an operation signal corresponding to an operation content input by a user to the vehicle when the distance to the vehicle is determined to be within the allowable distance.Type: GrantFiled: March 2, 2020Date of Patent: December 6, 2022Assignee: DENSO CORPORATIONInventor: Taichi Yamaguchi
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Patent number: 11436845Abstract: An occupant detection apparatus includes a first detection unit, a second detection unit, and an occupant presence determination unit. The first detection unit detects an occupant present in a first region or a second region, among the plurality of regions. The second detection unit detects an occupant present in the second region or a third region, among the plurality of regions. The occupant presence determination unit determines whether an occupant is present in each of the first region, the second region and the third region, based on a first detection result obtained by the first detection unit and a second detection result obtained by the second detection unit.Type: GrantFiled: June 17, 2019Date of Patent: September 6, 2022Assignee: DENSO CORPORATIONInventor: Taichi Yamaguchi
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Patent number: 11388556Abstract: A position determination system determines a position of a mobile terminal relative to a vehicle by a wireless communication. The position determination system includes: a communication device disposed in a vehicle compartment and configured to receive a wireless signal transmitted from the mobile terminal and detect a reception strength of the received wireless signal. The position determination system is configured to: determine whether the mobile terminal is existing in the vehicle compartment; estimate an amount of absorbers that exists in the vehicle compartment and may absorb radio waves having a frequency used for the wireless communication; adjust an inside determination value which is used as a threshold for determining that the mobile terminal is existing in the vehicle compartment; and determine that the mobile terminal is existing in the vehicle compartment in response to the inside device strength being equal to or greater than the inside determination value.Type: GrantFiled: February 5, 2021Date of Patent: July 12, 2022Assignee: DENSO CORPORATIONInventors: Kenichiro Sanji, Taichi Yamaguchi, Kazunari Nakamura, Takashi Shinoda
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Publication number: 20220195162Abstract: Provided are: an inorganic powder-filled resin composition which is highly filled with an inorganic powder, has excellent uniform dispersibility of the inorganic powder, and has stable mechanical properties after formation; and a formed body using the same. This inorganic powder-filled resin composition contains a thermoplastic resin and an inorganic powder at a mass ratio of 50:50 to 10:90, and is obtained by adding a neutralized product of a polymer comprising, as a constitutional unit, 50-100 mol % of ?,?-unsaturated carboxylic acid, and 0-50 mol % of other monomers. Said formed body is produced using the resin composition.Type: ApplicationFiled: February 21, 2020Publication date: June 23, 2022Inventors: Hiroshi NAKAMURA, Eiji MIZUNO, Taichi YAMAGUCHI
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Patent number: 11358818Abstract: The control apparatus includes an acquisition unit, an air volume setting unit, and an air blow control unit. The air volume setting unit sets a volume of air to be blown toward the plurality of sheets from a separation blower based on the information on the processing job acquired by the acquisition unit or by manipulation of a user. When the air volume is changed from a first air volume to a second air volume different from the first air volume by the user, the air volume setting unit maintains the air volume as the second air volume, irrespective of the information on the processing job acquired by the acquisition unit, until the air volume is changed from the second air volume to an air volume different from the second air volume by the user.Type: GrantFiled: July 16, 2020Date of Patent: June 14, 2022Assignee: DUPLO SEIKO CORPORATIONInventors: Taichi Yamaguchi, Tadahira Ohkochi, Akane Tokutake
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Publication number: 20220089849Abstract: Provided is a thermoplastic resin composition that reduces uneven distribution of inorganic substance particles and is suitable for producing a formed article having excellent appearance and mechanical properties even when the thermoplastic resin is highly filled with inorganic substance powder and a formed article using this thermoplastic resin composition. Provided are an inorganic substance powder-containing thermoplastic resin composition including a thermoplastic resin and inorganic substance powder in a mass ratio of 50:50 to 10:90, in which the inorganic substance powder is calcium carbonate particles, the calcium carbonate particles include at least two groups of particles having different average particle diameters, and any of the average particle diameters of the particle groups is within a range of 0.7 ?m or more and 6.0 ?m or less; and a formed article using this inorganic substance powder-containing thermoplastic resin composition.Type: ApplicationFiled: February 21, 2020Publication date: March 24, 2022Inventors: Hiroshi NAKAMURA, Eiji MIZUNO, Taichi YAMAGUCHI
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Patent number: 11066044Abstract: A key-shape data management system includes a storage server, an acceptance server, and a transmission server. The storage server stores vehicle identification information capable of identifying a vehicle, mechanical lock identification information capable of identifying a mechanical lock mounted on the vehicle, key-shape data of a mechanical key used in combination with the mechanical lock, and information on multiple manufacturing bases capable of manufacturing the mechanical key. The acceptance server accepts a request for acquiring the mechanical key together with determining information and delivery location information indicating a delivery location of the mechanical key.Type: GrantFiled: December 24, 2019Date of Patent: July 20, 2021Assignee: DENSO CORPORATIONInventor: Taichi Yamaguchi
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Patent number: 11064313Abstract: An in-vehicle wireless communication device stores calibration information used in combination with a radio wave intensity of a mobile terminal in a state of identifying the mobile terminal, performs wireless communication with the mobile terminal in a state of identifying the mobile terminal, detects the radio wave intensity of a radio wave received from the mobile terminal during the wireless communication, and detects distance information to the mobile terminal based on the radio wave intensity of the radio wave received from the mobile terminal and the calibration information stored for the mobile terminal.Type: GrantFiled: January 28, 2020Date of Patent: July 13, 2021Assignee: DENSO CORPORATIONInventor: Taichi Yamaguchi
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Patent number: 11027701Abstract: A location determination system is provided. The location determination system includes a vehicle device mounted in a vehicle, and a mobile terminal provided as a communication terminal to be carried by a user of the vehicle and set to transmit a radio signal including transmission source information at least once within a predetermined period of time. The vehicle device may receive the radio signal transmitted from the mobile terminal via an antenna disposed in the vehicle and detect a reception strength of the received radio signal. The vehicle device may determine, based on the reception strength of the radio signal detected by the reception portion, whether the mobile terminal is present inside a target area set in advance based on a position at which the antenna is disposed.Type: GrantFiled: August 23, 2019Date of Patent: June 8, 2021Assignees: SOKEN, INC., DENSO CORPORATIONInventors: Kenichiro Sanji, Taichi Yamaguchi, Munenori Matsumoto, Noritaka Hirao
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Publication number: 20210168563Abstract: A position determination system determines a position of a mobile terminal relative to a vehicle by a wireless communication. The position determination system includes: a communication device disposed in a vehicle compartment and configured to receive a wireless signal transmitted from the mobile terminal and detect a reception strength of the received wireless signal. The position determination system is configured to: determine whether the mobile terminal is existing in the vehicle compartment; estimate an amount of absorbers that exists in the vehicle compartment and may absorb radio waves having a frequency used for the wireless communication; adjust an inside determination value which is used as a threshold for determining that the mobile terminal is existing in the vehicle compartment; and determine that the mobile terminal is existing in the vehicle compartment in response to the inside device strength being equal to or greater than the inside determination value.Type: ApplicationFiled: February 5, 2021Publication date: June 3, 2021Inventors: Kenichiro SANJI, Taichi YAMAGUCHI, Kazunari NAKAMURA, Takashi SHINODA
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Publication number: 20210109189Abstract: A tire pressure monitoring system used for a vehicle includes a sensor unit, a receiving device, and a control device. The sensor unit is provided at each wheel of the vehicle, detects tire pressure of the each wheel with a tire pressure sensor and transmits data of the detected tire pressure by radio waves. The receiving device includes a receiving antenna that is provided at an outside of the vehicle to receive the data of the tire pressure transmitted from the sensor unit. The control device includes a data acquisition unit that acquires the data of the tire pressure received by the receiving device.Type: ApplicationFiled: December 21, 2020Publication date: April 15, 2021Inventor: Taichi YAMAGUCHI
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Publication number: 20210016988Abstract: The control apparatus includes an acquisition unit, an air volume setting unit, and an air blow control unit. The air volume setting unit sets a volume of air to be blown toward the plurality of sheets from a separation blower based on the information on the processing job acquired by the acquisition unit or by manipulation of a user. When the air volume is changed from a first air volume to a second air volume different from the first air volume by the user, the air volume setting unit maintains the air volume as the second air volume, irrespective of the information on the processing job acquired by the acquisition unit, until the air volume is changed from the second air volume to an air volume different from the second air volume by the user.Type: ApplicationFiled: July 16, 2020Publication date: January 21, 2021Applicant: Duplo Seiko CorporationInventors: Taichi YAMAGUCHI, Tadahira OHKOCHI, Akane TOKUTAKE
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Patent number: 10893386Abstract: A reception strength detection unit is connected to reception antennas located in a vehicle compartment and detects a reception strength of a radio wave from a mobile terminal for each of the reception antennas. A reception determination unit is connected to an auxiliary antenna located at a predetermined position that is a blind spot of the reception antenna and determines whether the radio waves has been received by the auxiliary antenna. When the radio wave has not been received by the auxiliary antenna, an existence position calculation unit calculates an existence position of the mobile terminal based on the reception strength detected by the multiple reception antennas. When the radio wave is received by the auxiliary antenna, the existence position determination unit determines the predetermined position at which the auxiliary antenna receiving the radio wave is located as the existence position of the mobile terminal.Type: GrantFiled: August 8, 2019Date of Patent: January 12, 2021Assignee: DENSO CORPORATIONInventors: Taichi Yamaguchi, Munenori Matsumoto, Kenichiro Sanji
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Patent number: 10730480Abstract: A mobile device detection apparatus is mounted on a vehicle equipped with a plurality of antennas, transmits a request signal for requesting a response to a mobile device that exists within a range communicable with the vehicle from a predetermined antenna among the plurality of antennas, receives a response signal returned from the mobile device to detect an existence of the mobile device, transmits a reply request signal for requesting a reply signal to the mobile device when the existence of the mobile device is detected, and receives the reply request signal from the mobile device using the plurality of antennas to detect an existence position of the mobile device.Type: GrantFiled: May 31, 2019Date of Patent: August 4, 2020Assignee: DENSO CORPORATIONInventor: Taichi Yamaguchi
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Publication number: 20200233072Abstract: A position determination system a determines whether a mobile terminal is present outside a vehicle compartment based on a reception strength of a radio signal transmitted from the mobile terminal through a vehicle interior antenna and a reception strength of a radio signal transmitted from the mobile terminal through a vehicle exterior antenna, and the vehicle exterior antenna is configured to be disposed in a predetermined region in a vicinity of a window of a vehicle in an outer surface portion of a vehicle.Type: ApplicationFiled: April 8, 2020Publication date: July 23, 2020Inventors: Hidenori OSAI, Kenichiro SANJI, Taichi YAMAGUCHI, Kazunari NAKAMURA, Munenori MATSUMOTO, Takashi SHINODA
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Patent number: 10714763Abstract: A method for producing a fuel cell separator capable of ensuring the working accuracy for a separator material. A surface of a mold is provided with grooves, each groove having a depth and width each equivalent to or larger than the thickness of a coating layer and equivalent to or smaller than the thickness of the separator material, the mold including an upper die having a projection/recess pressing surface on which projecting and recessed surfaces extending in a predetermined direction are alternately provided, and a lower die having a projection/recess pressing surface in a shape complementary to that of the pressing surface of the upper die.Type: GrantFiled: June 21, 2018Date of Patent: July 14, 2020Assignee: Toyota Jidosha Kabushiki KaishaInventors: Hiroshi Kinpara, Taichi Yamaguchi