Patents by Inventor Kouichi Yamashita
Kouichi Yamashita 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: 11932221Abstract: A system and method control an automobile by decelerating the automobile at a first deceleration using a braking mechanism in response to detecting that a parking brake switch is turned on, a second deceleration which is smaller than the first deceleration, in response to not detecting that the parking brake switch is turned on and determining that the driver is incapacitated, and a third deceleration which is smaller than the first deceleration, in response to determining that an SOS switch is turned on, detecting that the parking brake switch is changed from on to off, and not determining that the driver is incapacitated.Type: GrantFiled: September 23, 2021Date of Patent: March 19, 2024Assignee: MAZDA MOTOR CORPORATIONInventors: Takashi Hamada, Yuma Nishijo, Kouichi Kojima, Yoshiyuki Yamashita, Shinya Kyusaka, Yuta Tsuji, Nobuhiro Nonaka, Daisuke Shimizu, Keigo Fukuda, Yasuhiro Nakashima, Taro Oike
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Publication number: 20220212597Abstract: A system of controlling an unmanned vehicle includes: a travel course data acquisition unit that acquires travel course data including blinker data for controlling a blinker provided in an unmanned vehicle; an operation data acquisition unit that acquires operation data of a blinker operation device provided in the unmanned vehicle; and a blinker control unit that controls the blinker based on the blinker data acquired by the travel course data acquisition unit when the operation data is acquired by the operation data acquisition unit at a time when the unmanned vehicle operates based on the travel course data.Type: ApplicationFiled: May 25, 2020Publication date: July 7, 2022Applicant: Komatsu Ltd.Inventors: Tatsuya Shiga, Kouichi Yamashita, Katsuki Awamori, Daisuke Tanaka
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Patent number: 10155653Abstract: An automatic supply system of a consumable material includes: an automatic supply device that automatically supplies a consumable material to a vehicle capable of being loaded with a cargo; and a control device that obtains loading information indicating whether or not the cargo is loaded on the vehicle, and is able to control an automatic supply of the consumable material to the vehicle based on the obtained loading information, wherein, when the control device determines that the cargo is loaded on the vehicle from the obtained loading information, the control device controls the automatic supply device not to perform the automatic supply of the consumable material to the vehicle.Type: GrantFiled: May 9, 2012Date of Patent: December 18, 2018Assignee: Komatsu Ltd.Inventors: Masanori Tojima, Kouichi Yamashita, Tsugio Sudou, Koji Takeda
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Patent number: 9899971Abstract: An offset detection circuit includes: a comparison unit that generates a first comparison result between an amplifier output and a positive detection threshold value, and a second comparison result between the amplifier output and a negative detection threshold value; a first determination unit that generates a first offset determination result of two values indicating presence or absence of an offset according to a period during which the amplifier output exceeds the positive detection threshold value, based on the first comparison result; a second determination unit that generates a second offset determination result of two values indicating the presence or absence of an offset according to a period during which the amplifier output exceeds the negative detection threshold value, based on the second comparison result; and an output unit that generates a determination output of the offset based on the first and second offset determination results.Type: GrantFiled: February 21, 2017Date of Patent: February 20, 2018Assignee: Kabushiki Kaisha ToshibaInventors: Shimon Takamiya, Kouichi Yamashita, Toshiyuki Morishige
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Patent number: 9847927Abstract: In an information processing device in which analysis of a received packet is distributed to a plurality of cores, each core determines whether or not the core is appropriate as a core for analyzing the distributed packet, and when it is determined that the core is not appropriate, the core records request information for requesting another core to analyze the packet in a shared memory.Type: GrantFiled: April 10, 2015Date of Patent: December 19, 2017Assignee: PFU LIMITEDInventors: Itsufumi Hato, Kouichi Yamashita, Kazuhiro Koide
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Patent number: 9651954Abstract: A fuel supply system includes: a fuel supply facility capable of supplying fuel; an earth-moving machine capable of traveling toward the fuel supply facility; and a control apparatus that acquires execution permission information indicating whether or not fuel can be supplied to the earth-moving machine, and is capable of executing control based on the acquired execution permission information, wherein when the control apparatus determines that fuel cannot be supplied to the earth-moving machine based on the execution permission information at a time of supplying the fuel to the earth-moving machine, the control apparatus executes entry restriction control for restricting an entry to the fuel supply facility by the earth-moving machine.Type: GrantFiled: June 19, 2012Date of Patent: May 16, 2017Assignee: Komatsu Ltd.Inventors: Masanori Tojima, Tsugio Sudou, Koji Takeda, Kouichi Yamashita
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Patent number: 9507360Abstract: A mine power management system includes: a first power line provided at an ascent and configured to exchange electric power with an ascending vehicle traveling on the ascent; a second power line provided at a descent and configured to exchange electric power with a descending vehicle traveling on the descent; and a power supply and storage apparatus configured to exchange electric power at least between the first power line and the second power line.Type: GrantFiled: May 9, 2012Date of Patent: November 29, 2016Assignee: Komatsu Ltd.Inventors: Masanori Tojima, Kouichi Yamashita, Tsugio Sudou, Koji Takeda, Takao Nagai, Katsuhiro Kajino, Yasuhiro Yanagida, Yasuyuki Suzuki
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Publication number: 20160191368Abstract: In an information processing device in which analysis of a received packet is distributed to a plurality of cores, each core determines whether or not the core is appropriate as a core for analyzing the distributed packet, and when it is determined that the core is not appropriate, the core records request information for requesting another core to analyze the packet in a shared memory.Type: ApplicationFiled: April 10, 2015Publication date: June 30, 2016Applicant: PFU LIMITEDInventors: Itsufumi Hato, Kouichi Yamashita, Kazuhiro Koide
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Patent number: 9315107Abstract: A transport vehicle equipped with a current collector, includes: a vessel to load a load; a current collector that extends to receive electric power from an overhead line and contracts and retracts so as to be disposed below the vessel; and a vehicle body that rotationally drives driving wheels by at least one of the electric power from the current collector and a self-propelled driving source and on which the vessel is placed.Type: GrantFiled: May 9, 2012Date of Patent: April 19, 2016Assignee: Komatsu Ltd.Inventors: Masanori Tojima, Kouichi Yamashita, Tsugio Sudou, Koji Takeda
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Patent number: 9022153Abstract: A transport vehicle equipped with a current collector, includes: a vessel to load a load; a current collector that extends to receive electric power from an overhead line and contracts and retracts so as to be disposed away from the overhead line; and a vehicle body that rotationally drives driving wheels by at least one of the electric power from the current collector and a self-propelled driving source and on which the vessel is placed; a pantograph position detector that detects a relative position of the current collector and the overhead line; and a control device that controls a driving direction of the vehicle body or gives an instruction of information with which a direction in which the vehicle body is to be operated can be recognized, so that the relative position is brought to a position where the current collector and the overhead line are connected.Type: GrantFiled: May 9, 2012Date of Patent: May 5, 2015Assignee: Komatsu Ltd.Inventors: Masanori Tojima, Kouichi Yamashita, Tsugio Sudou, Koji Takeda
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Patent number: 8978851Abstract: A self-propelled cable relay truck includes: a power transmission relay unit to which a power supply side cable configured to perform power transmission between a power supply and the relay truck, and a work machine side cable configured to perform power transmission between an electric work machine and the relay truck are connected to perform relay of the power transmission between the power supply side cable and the work machine side cable; a travel device configured to perform traveling operation so as to be able to move the power transmission relay unit; and a movement control unit configured to perform movement control of the travel device.Type: GrantFiled: May 9, 2012Date of Patent: March 17, 2015Assignee: Komatsu Ltd.Inventors: Masanori Tojima, Koji Takeda, Kouichi Yamashita
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Publication number: 20140107849Abstract: A fuel supply system includes: a fuel supply facility capable of supplying fuel; an earth-moving machine capable of traveling toward the fuel supply facility; and a control apparatus that acquires execution permission information indicating whether or not fuel can be supplied to the earth-moving machine, and is capable of executing control based on the acquired execution permission information, wherein when the control apparatus determines that fuel cannot be supplied to the earth-moving machine based on the execution permission information at a time of supplying the fuel to the earth-moving machine, the control apparatus executes entry restriction control for restricting an entry to the fuel supply facility by the earth-moving machine.Type: ApplicationFiled: June 19, 2012Publication date: April 17, 2014Applicant: KOMATSU LTD.Inventors: Masanori Tojima, Tsugio Sudou, Koji Takeda, Kouichi Yamashita
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Publication number: 20140041951Abstract: A transport vehicle equipped with a current collector, includes: a vessel to load a load; a current collector that extends to receive electric power from an overhead line and contracts and retracts so as to be disposed away from the overhead line; and a vehicle body that rotationally drives driving wheels by at least one of the electric power from the current collector and a self-propelled driving source and on which the vessel is placed; a pantograph position detector that detects a relative position of the current collector and the overhead line; and a control device that controls a driving direction of the vehicle body or gives an instruction of information with which a direction in which the vehicle body is to be operated can be recognized, so that the relative position is brought to a position where the current collector and the overhead line are connected.Type: ApplicationFiled: May 9, 2012Publication date: February 13, 2014Applicant: KOMATSU LTD.Inventors: Masanori Tojima, Kouichi Yamashita, Tsugio Sudou, Koji Takeda
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Publication number: 20140027229Abstract: A dump truck 1, which is a transport vehicle equipped with a current collector, includes a vessel 5 to load a load, a pantograph 7 that extends to receive electric power from an overhead line 8 and contracts and retracts so as to be disposed below the vessel 5, and a vehicle body 3 that rotationally drives driving wheels 32 by at least one of electric power from the pantograph 7 and a self-propelled driving source and on which the vessel 5 is placed.Type: ApplicationFiled: May 9, 2012Publication date: January 30, 2014Applicant: KOMATSU LTD.Inventors: Masanori Tojima, Kouichi Yamashita, Tsugio Sudou, Koji Takeda
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Publication number: 20140032006Abstract: A mine power management system includes: a first power line provided at an ascent and configured to exchange electric power with an ascending vehicle traveling on the ascent; a second power line provided at a descent and configured to exchange electric power with a descending vehicle traveling on the descent; and a power supply and storage apparatus configured to exchange electric power at least between the first power line and the second power line.Type: ApplicationFiled: May 9, 2012Publication date: January 30, 2014Applicant: KOMATSU LTD.Inventors: Masanori Tojima, Kouichi Yamashita, Tsugio Sudou, Koji Takeda, Takao Nagai, Katsuhiro Kajino, Yasuhiro Yanagida, Yasuyuki Suzuki
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Publication number: 20140027228Abstract: A self-propelled cable relay truck includes: a power transmission relay unit to which a power supply side cable configured to perform power transmission between a power supply and the relay truck, and a work machine side cable configured to perform power transmission between an electric work machine and the relay truck are connected to perform relay of the power transmission between the power supply side cable and the work machine side cable; a travel device configured to perform traveling operation so as to be able to move the power transmission relay unit; and a movement control unit configured to perform movement control of the travel device.Type: ApplicationFiled: May 9, 2012Publication date: January 30, 2014Applicant: KOMATSU LTD.Inventors: Masanori Tojima, Koji Takeda, Kouichi Yamashita
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Publication number: 20140027013Abstract: An automatic supply system of a consumable material includes: an automatic supply device that automatically supplies a consumable material to a vehicle capable of being loaded with a cargo; and a control device that obtains loading information indicating whether or not the cargo is loaded on the vehicle, and is able to control an automatic supply of the consumable material to the vehicle based on the obtained loading information, wherein, when the control device determines that the cargo is loaded on the vehicle from the obtained loading information, the control device controls the automatic supply device not to perform the automatic supply of the consumable material to the vehicle.Type: ApplicationFiled: May 9, 2012Publication date: January 30, 2014Applicant: KOMATSU LTD.Inventors: Masanori Tojima, Kouichi Yamashita, Tsugio Sudou, Koji Takeda
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Publication number: 20100044690Abstract: An organic EL display device includes a first organic EL element which includes a first organic layer including a first light emission layer which emits the color of light in the first wavelength range and a hole blocking layer between a pixel electrode and a counter-electrode, a second organic EL element which includes a second organic layer including a second light emission layer which emits the color of light in the first wavelength range between a pixel electrode and the counter-electrode, the second organic EL element being thinner than the first organic EL element, and a third organic EL element which includes a third organic layer including the third light emission layer which emits the color of light in the first wavelength range between a pixel electrode and the counter-electrode, the third organic EL element being thicker than the first organic EL element.Type: ApplicationFiled: August 5, 2009Publication date: February 25, 2010Inventors: Satoshi OKUTANI, Kouichi Yamashita, Norihisa Maeda, Hirofumi Kubota, Masuyuki Oota, Takeshi Ikeda
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Publication number: 20080209999Abstract: There is provided a method for automatically measuring the takeoff/landing time of an aircraft which has been performed conventionally by human visual observation. Furthermore, there is provided an aircraft takeoff/landing management method using the method. An ACAS signal transmitted from an aircraft transponder is received and a vertical status code contained in the signal or a barometric altimeter indication value change is used to detect/measure a takeoff/landing time. Moreover, the signal is classified according to the aircraft unique identifier contained in the signal. Thus, takeoff/landing information on a plenty of aircraft can be acquired and managed.Type: ApplicationFiled: July 15, 2005Publication date: September 4, 2008Applicant: NITTOBO ACOUSTIC ENGINEERING CO., LTD.Inventors: Shinji Ohhashi, Kouichi Yamashita, Yoshio Tadahira
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Patent number: 7142048Abstract: A pop sound reduction circuit comprises a pulse width modulation amplifier configured to amplify a reference voltage to an intermediate amplitude of a pulse width modulated signal, a first switch configured to activate and deactivate the pulse width modulation amplifier, a buffer amplifier configured to generate a DC voltage equal to the reference voltage, a second switch configured to activate and deactivate the buffer amplifier, and a control circuit configured to close and open the first and second switches complementary, depending on a potential in a leading region of the reference voltage which rises from a time of turning-on of a power source as well as a potential in a trailing region of the reference voltage which falls from a time of turning-off of the power source.Type: GrantFiled: September 25, 2002Date of Patent: November 28, 2006Assignee: Kabushiki Kaisha ToshibaInventors: Kenichi Miyagaki, Kouichi Yamashita