Patents by Inventor Keisuke Takeuchi

Keisuke Takeuchi 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).

  • Publication number: 20220017514
    Abstract: The present invention provides a heterocyclic compound having an orexin type 2 receptor agonist activity. A compound represented by the formula (I): wherein each symbol is as described in the description, or a salt thereof has an orexin type 2 receptor agonist activity, and is useful as an agent for the prophylaxis or treatment of narcolepsy.
    Type: Application
    Filed: December 11, 2019
    Publication date: January 20, 2022
    Applicant: Takeda Pharmaceutical Company Limited
    Inventors: Yuichi KAJITA, Yuhei MIYANOHANA, Tatsuki KOIKE, Yasutaka HOASHI, Yasushi HATTORI, Norihito TOKUNAGA, Tsuneo ODA, Tohru MIYAZAKI, Dilhumar UYGHUR, Yoshiteru ITO, Kohei TAKEUCHI, Keisuke IMAMURA, Takahiro SUGIMOTO, Koichiro FUKUDA, Yasuhisa KOHARA, Rei OKAMOTO, Taiichi OHRA, Naoki MIYAMOTO, Yoshito TERAO, Masanori KAWASAKI
  • Publication number: 20200158531
    Abstract: In an automatic driving vehicle, traveling is continued in a case where a section in which a detailed map in which information required for automatic driving is recorded is not usable occurs during the traveling by the automatic driving. Automatic driving control means 100 for controlling automatic driving of a vehicle and map information holding means 601 for holding a detailed map including traveling lane information are provided. In a case where a section in which a detailed map newer than the detailed map held in the map information holding means 601 is not usable is in a traveling scheduled route, the automatic driving control means 100 continues to perform the automatic driving until a start point of the section is reached, using the detailed map held in the map information holding means 601.
    Type: Application
    Filed: April 6, 2018
    Publication date: May 21, 2020
    Applicant: Hitachi Automotive Systems, Ltd.
    Inventors: Keisuke TAKEUCHI, Takashi TSUTSUI
  • Patent number: 9656675
    Abstract: A vehicle control system for adjusting control characteristics governing behaviors of a vehicle in accordance with a driving preference of a driver. The vehicle control system is comprised of a shifting means that shifts a driving mode of the vehicle between a first mode in which a driving force to be generated is moderated and a second mode in which a driving force to be generated is larger than that generated under the first mode, upon exceedance of a predetermined threshold value by an index that is changed according to a change in a behavior of the vehicle resulting from an accelerating or a decelerating operation executed by the driver. The threshold value is set to a limit value of acceleration for human beings to sense a linear change in the acceleration from zero.
    Type: Grant
    Filed: August 29, 2011
    Date of Patent: May 23, 2017
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventors: Keisuke Takeuchi, Toshio Tanahashi, Yoshimitsu Agata, Tomohide Kawasaki, Shin Noumura
  • Patent number: 9630610
    Abstract: A driving force control system for a vehicle having a mechanism for changing an engine speed continuously. The driving force control system basically controls said mechanism in a manner such that the engine speed is adjusted to optimize fuel economy. The driving force control system is configured to determine an index representing a demand to enhance agility of behavior of the vehicle based on an actual behavior of the vehicle or an amount of operation carried out by a driver to cause said behavior. An upper limit value of the engine speed of the case in which a drive demand is increased is determined on the basis of the index, and the upper limit value is set to the higher value with an increase in the index representing the demand to enhance agility of behavior of the vehicle.
    Type: Grant
    Filed: September 27, 2011
    Date of Patent: April 25, 2017
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Keisuke Takeuchi, Takeshi Hayashi, Yoshimitsu Agata, Toshio Tanahashi, Shin Noumura, Kazuo Tsuruoka, Hiroki Kaneko, Tomoyuki Honda
  • Patent number: 9561801
    Abstract: A vehicle control system is configured to decrease a value of the index upon reduction in an absolute value of acceleration detected continuously during propulsion of the vehicle to fall below a predetermined value toward zero, as compared to that of a case in which the absolute value of the instant acceleration is larger than the predetermined value (steps S1 to 5). The acceleration includes at least any of an instant forward acceleration established by operating an accelerator, an instant longitudinal acceleration established by operating the accelerator or a brake, and an instant synthesized acceleration of the instant longitudinal acceleration and an instant lateral acceleration established by operating a steering wheel.
    Type: Grant
    Filed: July 11, 2013
    Date of Patent: February 7, 2017
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Keisuke Takeuchi, Masaki Suzuki, Toshio Tanahashi
  • Patent number: 9494091
    Abstract: A driving force control system for vehicle for controlling a target speed of an engine serving as a prime mover by selecting a control mode based on an index representing a driving preference of a driver. The control mode is selected from a first mode for operating the engine to achieve the target speed while optimizing a fuel economy, and a second mode for operating the engine to achieve the target speed at a speed lower than that achieved while optimizing the fuel economy. The driving force control system is configured to determine a lower limit speed of the engine based on the index provided that the second mode is selected, and to restrict a lower limit value of the target speed of the engine to the lower limit speed in case the target speed of the engine exceeds the lower limit speed under the second mode.
    Type: Grant
    Filed: September 20, 2011
    Date of Patent: November 15, 2016
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Keisuke Takeuchi, Kazuo Tsuruoka, Toshio Tanahashi, Yoshimitsu Agata, Hiroki Kaneko, Koji Tsurumura
  • Patent number: 9381896
    Abstract: A driving force control device of a vehicle is provided which is configured to calculate a required braking force on the basis of an amount of pressure applied to a brake operating mechanism, which is operated for deceleration by a driver, and to control a braking force of a power plant, which includes a drive source generating an accelerating force and a braking force, and a braking force of a braking mechanism, which generates a braking force with the operation of the braking operating mechanism, in cooperation so that the total braking force of the vehicle as a whole becomes the required braking force. The driving force control device is configured to detect acceleration information including a lateral acceleration of the vehicle and to control the braking force of the power plant on the basis of the detected acceleration information when the brake operating mechanism is operated.
    Type: Grant
    Filed: February 26, 2012
    Date of Patent: July 5, 2016
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Keisuke Takeuchi, Kazuo Tsuruoka, Toshio Tanahashi, Yoshimitsu Agata, Hiroki Kaneko, Yoji Kanehara
  • Publication number: 20160107649
    Abstract: A vehicle control system is configured to decrease a value of the index upon reduction in an absolute value of acceleration detected continuously during propulsion of the vehicle to fall below a predetermined value toward zero, as compared to that of a case in which the absolute value of the instant acceleration is larger than the predetermined value (steps S1 to 5). The acceleration includes at least any of an instant forward acceleration established by operating an accelerator, an instant longitudinal acceleration established by operating the accelerator or a brake, and an instant synthesized acceleration of the instant longitudinal acceleration and an instant lateral acceleration established by operating a steering wheel.
    Type: Application
    Filed: July 11, 2013
    Publication date: April 21, 2016
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Keisuke TAKEUCHI, Masaki SUZUKI, Toshio TANAHASHI
  • Publication number: 20150334042
    Abstract: Provided is a technique of finely performing congestion determination and congestion control on a cellular communication system employing a C-RAN architecture. An instruction is given to a control device to acquire location information of a terminal in a cell of a C-RAN using a first message between network nodes, acquire a congestion indicator of the cell of the C-RAN using a second message between the network nodes, determine the occurrence of congestion of the cell based on the congestion indicator, identify a terminal staying in a cell in which congestion is occurring based on the location information of the terminal, and limit a maximum usable bandwidth of the specified terminal.
    Type: Application
    Filed: May 15, 2015
    Publication date: November 19, 2015
    Inventors: Rintaro KATAYAMA, Yusuke SHOMURA, Keisuke TAKEUCHI, Hiroto NAKAGAWA
  • Patent number: 9114824
    Abstract: A steering system includes: a steering member that is provided on a vehicle and that is used for a steering operation; an actuator that assists the steering operation of the steering member; and a steering control device that executes returning operation assist control in which the actuator is controlled to assist a returning operation for returning the steering member to a neutral position, the returning operation corresponding to a turning operation for turning the steering member from the neutral position, and that determines a returning operation time at the time of executing the returning operation assist control on the basis of a steering operation amount of the steering member at the time of the turning operation.
    Type: Grant
    Filed: July 3, 2012
    Date of Patent: August 25, 2015
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Keisuke Takeuchi, Yoji Kanehara, Toshio Tanahashi, Yoshimitsu Agata, Tomohide Kawasaki
  • Patent number: 9113424
    Abstract: When a femto cell base station detects an intense uplink interference, the femto cell base station autonomously extends the femto cell so as to raise a probability that a mobile terminal around the original femto cell may be connected to the femto cell base station. If the mobile terminal connects to the femto cell base station, the uplink interference is reduced and total throughput is improved. Additionally, if a resultant effect of interference reduction is low, the femto cell base station returns the mobile terminal, which is connected to the femto cell base station due to the extension of the femto cell, to the original connection destination. If an evaluative criterion meets a predetermined condition, the femto cell base station restores the extended femto cell to the original size. These actions prevent degradation of performance caused by concentration of the connections of mobile terminals to the femto cell base station.
    Type: Grant
    Filed: August 22, 2014
    Date of Patent: August 18, 2015
    Assignee: Hitachi, Ltd.
    Inventors: Keisuke Takeuchi, Rintaro Katayama
  • Patent number: 9081652
    Abstract: A vehicle control system includes: an acceleration acquisition unit that detects or estimates an acceleration of a vehicle; and a control unit that is configured to change a running characteristic, which includes at least any one of a driving force characteristic, shift characteristic, steering characteristic and suspension characteristic of the vehicle, on the basis of the acceleration, wherein the control unit is configured to relatively delay a change of the running characteristic for decreasing quickness of behavior of the vehicle with respect to a change of the running characteristic for increasing quickness of behavior of the vehicle, and is configured to limit a change of the running characteristic when a jerk, which is a time differential value of the acceleration, is larger than a limit determination threshold as compared with when the jerk is smaller than or equal to the limit determination threshold.
    Type: Grant
    Filed: September 13, 2011
    Date of Patent: July 14, 2015
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Keisuke Takeuchi, Yoji Kanehara, Toshio Tanahashi, Yoshimitsu Agata, Tomohide Kawasaki, Shin Noumura
  • Patent number: 9074544
    Abstract: In a vehicle control apparatus that changes the travel characteristic of a vehicle on the basis of a change of the acceleration of the vehicle, when the travel characteristic is to be changed because the acceleration has changed, the amount of change of the travel characteristic to be changed is adjusted on the basis of the pre-change travel characteristic that is present immediately prior to the change of the acceleration.
    Type: Grant
    Filed: September 12, 2011
    Date of Patent: July 7, 2015
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Shin Noumura, Ken Koibuchi, Kaiji Itabashi, Toshio Tanahashi, Keisuke Takeuchi
  • Patent number: 9067604
    Abstract: In a control device for a vehicle that controls a revolution speed of a drive power source or a gear ratio of a transmission coupled to an output side of the drive power source in the vehicle equipped with the drive power source and the transmission, the control device is configured to determine an index that is based on a running state of the vehicle, and to control a required revolution speed of the drive power source or a required gear ratio for the transmission on the basis of the index.
    Type: Grant
    Filed: August 17, 2010
    Date of Patent: June 30, 2015
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Shin Noumura, Kaiji Itabashi, Ken Koibuchi, Toshio Tanahashi, Keisuke Takeuchi, Hiroyuki Hanamura, Yoji Takanami, Norimi Asahara
  • Publication number: 20150127200
    Abstract: A driving force control system for a vehicle having a mechanism for changing an engine speed continuously. The driving force control system basically controls said mechanism in a manner such that the engine speed is adjusted to optimize fuel economy. The driving force control system is configured to determine an index representing a demand to enhance agility of behavior of the vehicle based on an actual behavior of the vehicle or an amount of operation carried out by a driver to cause said behavior. An upper limit value of the engine speed of the case in which a drive demand is increased is determined on the basis of the index, and the upper limit value is set to the higher value with an increase in the index representing the demand to enhance agility of behavior of the vehicle.
    Type: Application
    Filed: September 27, 2011
    Publication date: May 7, 2015
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Keisuke Takeuchi, Takeshi Hayashi, Yoshimitsu Agata, Toshio Tanahashi, Shin Noumura, Kazuo Tsuruoka, Hiroki Kaneko, Tomoyuki Honda
  • Patent number: 9002578
    Abstract: A vehicle control system configured to judge a vehicle behavior or a driving preference of a driver based on acceleration of the vehicle including at least longitudinal acceleration. An acceleration value used in the judgment is obtained on the basis of a weighted detection value of the actual longitudinal acceleration of the vehicle, and a weighted parameter which is varied by an operation to increase a driving force of the vehicle executed by the driver. A weight on the parameter is reduced in case a weight on the detection value of the longitudinal acceleration is increased, and the weight on the parameter is increased in case the weight on the detection value of the longitudinal acceleration is reduced.
    Type: Grant
    Filed: July 20, 2011
    Date of Patent: April 7, 2015
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventors: Shin Noumura, Kaiji Itabashi, Toshio Tanahashi, Keisuke Takeuchi, Yoshimitsu Agata, Tomohide Kawasaki
  • Patent number: 8972087
    Abstract: A vehicle control system includes: a controller that configured to obtain an index on the basis of a running condition of a vehicle and that configured to vary a running characteristic of the vehicle on the basis of the index, wherein the controller is configured to relatively delay a variation in the index in response to a variation in the running condition when the variation in the index decreases quickness of a behavior of the vehicle as compared with when the variation in the index increases the quickness of the behavior of the vehicle, and to correct the running characteristic on the basis of the index so that energy efficiency of a driving force source of the vehicle varies within a predetermined range depending on control over power output from the driving force source.
    Type: Grant
    Filed: September 14, 2011
    Date of Patent: March 3, 2015
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventors: Keisuke Takeuchi, Toshio Tanahashi, Yoshimitsu Agata, Ken Koibuchi, Kaiji Itabashi, Shin Noumura
  • Patent number: 8954232
    Abstract: A vehicle control system includes a control portion configured to determine a single parameter based on a running condition of a vehicle, and determine control amounts for a plurality of actuators provided in the vehicle based on the parameter. A relation of the control amount for each of the plurality of actuators to the parameter is predetermined. The control portion is configured to, when the parameter is determined, determine the control amounts for the respective actuators based on the parameter, and control the actuators based on the determined control amounts.
    Type: Grant
    Filed: August 29, 2011
    Date of Patent: February 10, 2015
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventors: Keisuke Takeuchi, Youji Kanehara, Toshio Tanahashi, Yoshimitsu Agata, Tomohide Kawasaki, Ken Koibuchi, Kaiji Itabashi, Shin Noumura
  • Publication number: 20150039198
    Abstract: A driving force control device of a vehicle is provided which is configured to calculate a required braking force on the basis of an amount of pressure applied to a brake operating mechanism, which is operated for deceleration by a driver, and to control a braking force of a power plant, which includes a drive source generating an accelerating force and a braking force, and a braking force of a braking mechanism, which generates a braking force with the operation of the braking operating mechanism, in cooperation so that the total braking force of the vehicle as a whole becomes the required braking force. The driving force control device is configured to detect acceleration information including a lateral acceleration of the vehicle and to control the braking force of the power plant on the basis of the detected acceleration information when the brake operating mechanism is operated.
    Type: Application
    Filed: February 26, 2012
    Publication date: February 5, 2015
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Keisuke Takeuchi, Kazuo Tsuruoka, Toshio Tanahashi, Yoshimitsu Agata, Hiroki Kaneko, Yoji Kanehara
  • Patent number: 8930085
    Abstract: A control system for a vehicle, includes: a controller that is configured to obtain an index on the basis of a running condition of the vehicle, to vary a running characteristic of the vehicle on the basis of the index, and to vary details output from an effect producing device, which applies a stimulus to at least part of five senses of a driver of the vehicle, on the basis of the index, wherein when a variation in the running characteristic because of a variation in the index decreases, quickness of a behavior of the vehicle, the variation in the index in response to a variation in the running condition is relatively delayed, as compared with when the variation in the running characteristic because of the variation in the index increases quickness of the behavior of the vehicle.
    Type: Grant
    Filed: September 1, 2011
    Date of Patent: January 6, 2015
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventors: Keisuke Takeuchi, Toshio Tanahashi, Shinichi Sano, Yoshimitsu Agata, Toshihiro Yamazaki, Shin Noumura