Patents by Inventor Atsushi Ikematsu
Atsushi Ikematsu 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: 9487196Abstract: A motion control device for a vehicle, including a braking means for applying a brake torque to a wheel of the vehicle and maintaining a traveling stability of the vehicle by controlling the braking means, the motion control device for the vehicle, includes a steering angular velocity obtaining means for obtaining a steering angular velocity of the vehicle, a yaw angular acceleration obtaining means for obtaining a yaw angular acceleration of the vehicle, and a control means for controlling the brake torque on the basis of the steering angular velocity and the yaw angular acceleration.Type: GrantFiled: January 16, 2014Date of Patent: November 8, 2016Assignee: Advics Co., Ltd.Inventors: Yoshiyuki Yasui, Toshihisa Kato, Toshio Yasutake, Atsushi Ikematsu
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Patent number: 8892305Abstract: A motion control device for a vehicle, including a braking means for applying a brake torque to a wheel of the vehicle and maintaining a traveling stability of the vehicle by controlling the braking means, the motion control device for the vehicle, includes a steering angular velocity obtaining means for obtaining a steering angular velocity of the vehicle, a yaw angular acceleration obtaining means for obtaining a yaw angular acceleration of the vehicle, and a control means for controlling the brake torque on the basis of the steering angular velocity and the yaw angular acceleration.Type: GrantFiled: March 24, 2010Date of Patent: November 18, 2014Assignee: Advics Co., Ltd.Inventors: Yoshiyuki Yasui, Toshihisa Kato, Toshio Yasutake, Atsushi Ikematsu
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Publication number: 20140136070Abstract: A motion control device for a vehicle, including a braking means for applying a brake torque to a wheel of the vehicle and maintaining a traveling stability of the vehicle by controlling the braking means, the motion control device for the vehicle, includes a steering angular velocity obtaining means for obtaining a steering angular velocity of the vehicle, a yaw angular acceleration obtaining means for obtaining a yaw angular acceleration of the vehicle, and a control means for controlling the brake torque on the basis of the steering angular velocity and the yaw angular acceleration.Type: ApplicationFiled: January 16, 2014Publication date: May 15, 2014Applicant: ADVICS CO., LTD.Inventors: Yoshiyuki Yasui, Toshihisa Kato, Toshio Yasutake, Atsushi Ikematsu
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Patent number: 8444230Abstract: A vehicle motion control apparatus includes hydraulic pressure applying means for applying hydraulic pressure to a wheel cylinder side of any of plural solenoid valves, respectively arranged between a master cylinder and plural wheel cylinders, for the corresponding wheel cylinders even when an operator of the vehicle does not operate a brake operation member, motor controlling means for controlling an output of the electric motor to be reduced in accordance with a condition of a road surface when the hydraulic pressure is applied to the wheel cylinder, and valve controlling means for controlling the operation of the solenoid valve to increase an amount of the brake fluid flown by the operation of the solenoid valve before the output of the electric motor is reduced when the output of the electric motor is controlled to be reduced.Type: GrantFiled: February 5, 2008Date of Patent: May 21, 2013Assignee: Advics Co., Ltd.Inventors: Atsushi Ikematsu, Toshihisa Kato
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Patent number: 8155855Abstract: A vehicle motion control apparatus includes a motion controlling process operating a pump for supplying brake fluid between a pressure difference control valve and a pressure increasing control valve and controlling the pressure difference control valve and the pressure increasing control valve, thereby pressurizing the wheel cylinder of the wheel to be controlled, a control amount adjusting process reducing a control amount of a motor when a frictional coefficient of a road surface is small, a load judging process judging a load condition of the motor when determining to reduce the control amount of the motor, and a pressure difference controlling process reducing the pressure difference when the load of the motor is in a high load condition.Type: GrantFiled: January 30, 2008Date of Patent: April 10, 2012Assignee: Advics Co., Ltd.Inventors: Toshihisa Kato, Atsushi Ikematsu
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Patent number: 7987037Abstract: A vehicle motion control apparatus includes a first means applying a first braking force to an outer wheel, relative to a turning direction, for suppressing oversteer when the vehicle is judged to be skidding in vehicle turning movement, a second means obtaining a state of a driver's steering operation in the vehicle turning movement, a third means applying a second braking force, set to be smaller than the first braking force, to a wheel located at a horizontally opposite side of the outer wheel to which the first braking force is applied, when the state of the driver's steering operation is judged to be in a steering turning back state, in which a steering wheel is turned from a turning direction to a reverse direction of the turning direction, based on the state of the driver's steering operation obtained by the second means.Type: GrantFiled: March 11, 2008Date of Patent: July 26, 2011Assignee: Advics Co., Ltd.Inventors: Toshihisa Kato, Toshio Yasutake, Atsushi Ikematsu
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Publication number: 20100268420Abstract: A motion control device for a vehicle, including a braking means for applying a brake torque to a wheel of the vehicle and maintaining a traveling stability of the vehicle by controlling the braking means, the motion control device for the vehicle, includes a steering angular velocity obtaining means for obtaining a steering angular velocity of the vehicle, a yaw angular acceleration obtaining means for obtaining a yaw angular acceleration of the vehicle, and a control means for controlling the brake torque on the basis of the steering angular velocity and the yaw angular acceleration.Type: ApplicationFiled: March 24, 2010Publication date: October 21, 2010Applicant: ADVICS CO., LTD.Inventors: Yoshiyuki YASUI, Toshihisa Kato, Toshio Yasutake, Atsushi Ikematsu
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Publication number: 20080300764Abstract: A vehicle motion control apparatus includes a first means applying a first braking force to an outer wheel, relative to a turning direction, for suppressing oversteer when the vehicle is judged to be skidding in vehicle turning movement, a second means obtaining a state of a driver's steering operation in the vehicle turning movement, a third means applying a second braking force, set to be smaller than the first braking force, to a wheel located at a horizontally opposite side of the outer wheel to which the first braking force is applied, when the state of the driver's steering operation is judged to be in a steering turning back state, in which a steering wheel is turned from a turning direction to a reverse direction of the turning direction, based on the state of the driver's steering operation obtained by the second means.Type: ApplicationFiled: March 11, 2008Publication date: December 4, 2008Inventors: Toshihisa Kato, Toshio Yasutake, Atsushi Ikematsu
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Publication number: 20080207391Abstract: A vehicle motion control apparatus includes hydraulic pressure applying means for applying hydraulic pressure to a wheel cylinder side of any of plural solenoid valves, respectively arranged between a master cylinder and plural wheel cylinders, for the corresponding wheel cylinders even when an operator of the vehicle does not operate a brake operation member, motor controlling means for controlling an output of the electric motor to be reduced in accordance with a condition of a road surface when the hydraulic pressure is applied to the wheel cylinder, and valve controlling means for controlling the operation of the solenoid valve to increase an amount of the brake fluid flown by the operation of the solenoid valve before the output of the electric motor is reduced when the output of the electric motor is controlled to be reduced.Type: ApplicationFiled: February 5, 2008Publication date: August 28, 2008Inventors: Atsushi IKEMATSU, Toshihisa KATO
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Publication number: 20080201052Abstract: A vehicle motion control apparatus includes a motion controlling process operating a pump for supplying brake fluid between a pressure difference control valve and a pressure increasing control valve and controlling the pressure difference control valve and the pressure increasing control valve, thereby pressurizing the wheel cylinder of the wheel to be controlled, a control amount adjusting process reducing a control amount of a motor when a frictional coefficient of a road surface is small, a load judging process judging a load condition of the motor when determining to reduce the control amount of the motor, and a pressure difference controlling process reducing the pressure difference when the load of the motor is in a high load condition.Type: ApplicationFiled: January 30, 2008Publication date: August 21, 2008Inventors: Toshihisa KATO, Atsushi Ikematsu
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Patent number: 7335054Abstract: A wiring connector having a connector housing made of an insulator and a plurality of stages of terminal rows provided in the connector housing. The plurality of stages of terminal rows includes a first terminal row and a second terminal row and the first and second terminal rows each comprise a plurality of terminals. The base of the first terminal row is attached to the base of said second terminal row and a new connection terminal formed at a turndown.Type: GrantFiled: December 8, 2005Date of Patent: February 26, 2008Assignee: Honda Motor Co., Ltd.Inventors: Yoshihiro Nakazawa, Koji Kano, Atsushi Ikematsu, Kenichi Tamakoshi, Keishi Takayama
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Publication number: 20060128185Abstract: A wiring connector having a connector housing made of an insulator and a plurality of stages of terminal rows provided in the connector housing. The plurality of stages of terminal rows includes a first terminal row and a second terminal row and the first and second terminal rows each comprise a plurality of terminals. The base of the first terminal row is attached to the base of said second terminal row and a new connection terminal formed at a turndown.Type: ApplicationFiled: December 8, 2005Publication date: June 15, 2006Applicant: HONDA MOTOR CO., LTD.Inventors: Yoshihiro Nakazawa, Koji Kano, Atsushi Ikematsu, Kenichi Tamakoshi, Keishi Takayama