Patents by Inventor Akihisa Yokoyama

Akihisa Yokoyama 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: 20200382926
    Abstract: A data collection system includes a server device and at least one probe vehicle. The server device includes a storage unit configured to store a master map in which a necessity of data collection for each of a plurality of unit ranges included in a plurality of segments is represented by a binary value; and a server control unit configured to extract from the master map a segment corresponding to a position of the probe vehicle, and to transmit the segment to the probe vehicle as a partial map. The probe vehicle includes a data obtaining unit configured to obtain the data; and a vehicle control unit configured to identify a unit range requiring data collection based on the partial map received from the server device, and to transmit the data obtained in the unit range to the server device.
    Type: Application
    Filed: May 29, 2020
    Publication date: December 3, 2020
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Ryo NEYAMA, Akira YOSHIOKA, Jun KOREISHI, Akihisa YOKOYAMA
  • Patent number: 10358262
    Abstract: A shaft packaging body includes packaging material having: a partitioning frame forming a space for accommodating a shaft; a first lower side support member including a first lower notch conforming to a small-diameter side of a step between a center portion and one end portion of the shaft; a second lower side support member including a second lower notch conforming to a small-diameter side of a step between the center portion and another end portion of the shaft; a first upper side support member including a first upper notch conforming to the small-diameter side of the step between the center portion and the one end portion of the shaft; and a second upper side support member including a second upper notch conforming to the small-diameter side of the step between the center portion and the other end portion of the shaft.
    Type: Grant
    Filed: December 11, 2013
    Date of Patent: July 23, 2019
    Assignee: Mitsubishi Electric Corporation
    Inventors: Akihisa Yokoyama, Yusaku Miyamoto
  • Patent number: 10286801
    Abstract: The disclosure includes a system and method for providing charging services to mobile client devices. The system includes a processor and a memory storing instructions that, when executed, cause the system to: estimate a departure time of a future journey associated with a mobile client device; verify one or more electrical characteristics of a battery associated with the mobile client device; determine a target state of charge for the battery at the departure time; and determine a charge scheme to improve an operational life of the battery. The charge scheme has a combining charge cost that satisfies a charge objective of the mobile client device. The combining charge cost includes a weighted combination of a power cost and a battery degradation cost. The charge scheme is configured to charge the battery to achieve the target state of charge at the departure time.
    Type: Grant
    Filed: August 18, 2014
    Date of Patent: May 14, 2019
    Inventors: Takayuki Shimizu, Akihisa Yokoyama, Kunihiko Kumita, Tomoya Ohno
  • Patent number: 9880554
    Abstract: A misrecognition determination device is provided. The misrecognition determination device may be configured such that a plurality of traveling parameters that is used for driving control of a vehicle and is based on input data is calculated, a difference between each two of the plurality of traveling parameters is calculated, a weighting coefficient is calculated according to an orthogonality between each two pieces of input data in a traveling situation of the vehicle, and a determination is made whether misrecognition has occurred in a parameter group, which includes the plurality of traveling parameters, using the values each generated by multiplying the difference by the weighting coefficient.
    Type: Grant
    Filed: May 5, 2016
    Date of Patent: January 30, 2018
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Koji Taguchi, Masaaki Yamaoka, Tomoyuki Kuriyama, Akihisa Yokoyama
  • Patent number: 9789779
    Abstract: The disclosure includes a system and method for providing charging services to mobile client devices. The system includes a processor and a memory storing instructions that, when executed, cause the system to: receive demand response event data associated with a geographic region; determine a last-mile distribution network that includes a first endpoint in the geographic region, the first endpoint associated with a mobile client device; estimate one or more last-mile power usage factors describing power usage of a set of endpoints in the last-mile distribution network, the set of endpoints including the first endpoint associated with the mobile client device; and determine a charge schedule for the mobile client device based on the demand response event data and the one or more last-mile power usage factors.
    Type: Grant
    Filed: August 25, 2014
    Date of Patent: October 17, 2017
    Inventors: Takayuki Shimizu, Akihisa Yokoyama, Kunihiko Kumita, Tomoya Ohno
  • Patent number: 9714034
    Abstract: In a case where existence of a branch point in front of a vehicle is not recognized based on position information of the vehicle and map information, when a lane width variation is greater than or equal to a first threshold value larger than a second threshold value, a determination that the branch point exists is made by a determination unit of a vehicle control device. On the other hand, in a case where existence of the branch point is recognized based on the position information of the vehicle and the map information, when the lane width variation is greater than or equal to the second threshold value smaller than the first threshold value, a determination that the branch point exists is made by the determination unit.
    Type: Grant
    Filed: February 10, 2016
    Date of Patent: July 25, 2017
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Hirotada Otake, Tsuyoshi Shimizu, Hirohito Ide, Akihisa Yokoyama
  • Patent number: 9682637
    Abstract: The disclosure includes a system and method for providing charging services to mobile client devices. The system includes a processor and a memory storing instructions that, when executed, cause the system to: estimate a departure time for a mobile client device; determine a target state of charge at the departure time for a battery system in the mobile client device; determine one or more available charging periods and one or more demand response event periods; determine one or more amounts of power to be discharged from the battery system during the one or more demand response event periods; determine one or more charging time slots within the one or more available charging periods based on the target state of charge and the one or more amounts of power to be discharged; and charge the battery system using the one or more charging time slots.
    Type: Grant
    Filed: April 4, 2014
    Date of Patent: June 20, 2017
    Inventors: Takayuki Shimizu, Akihisa Yokoyama, Atsushi Kawakubo
  • Patent number: 9582950
    Abstract: The disclosure includes a system and method for charging a target object wirelessly. The system includes a processor and a memory storing instructions that when executed cause the system to: receive data describing a code from a target object, the code being stored on a tagging device and configured to be read wirelessly by a reading device associated with the target object; verify the code; determine that a location associated with the target object satisfies a safe charging range responsive to the verification of the code, the verification of the code indicating a charging distance between a power transmitter and a power receiver associated with the target object satisfies a safe charging distance; and instruct the power transmitter to wirelessly transmit power to the power receiver associated with the target object responsive to determining that the location of the target object satisfies the safe charging range.
    Type: Grant
    Filed: March 25, 2013
    Date of Patent: February 28, 2017
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Takayuki Shimizu, Akihisa Yokoyama, Atsushi Kawakubo
  • Publication number: 20160327948
    Abstract: A misrecognition determination device is provided. The misrecognition determination device may be configured such that a plurality of traveling parameters that is used for driving control of a vehicle and is based on input data is calculated, a difference between each two of the plurality of traveling parameters is calculated, a weighting coefficient is calculated according to an orthogonality between each two pieces of input data in a traveling situation of the vehicle, and a determination is made whether misrecognition has occurred in a parameter group, which includes the plurality of traveling parameters, using the values each generated by multiplying the difference by the weighting coefficient.
    Type: Application
    Filed: May 5, 2016
    Publication date: November 10, 2016
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Koji TAGUCHI, Masaaki YAMAOKA, Tomoyuki KURIYAMA, Akihisa YOKOYAMA
  • Publication number: 20160272203
    Abstract: In a case where existence of a branch point in front of a vehicle is not recognized based on position information of the vehicle and map information, when a lane width variation is greater than or equal to a first threshold value larger than a second threshold value, a determination that the branch point exists is made by a determination unit of a vehicle control device. On the other hand, in a case where existence of the branch point is recognized based on the position information of the vehicle and the map information, when the lane width variation is greater than or equal to the second threshold value smaller than the first threshold value, a determination that the branch point exists is made by the determination unit.
    Type: Application
    Filed: February 10, 2016
    Publication date: September 22, 2016
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Hirotada OTAKE, Tsuyoshi SHIMIZU, Hirohito IDE, Akihisa YOKOYAMA
  • Publication number: 20160264296
    Abstract: A shaft packaging body includes packaging material having: a partitioning frame forming a space for accommodating a shaft; a first lower side support member including a first lower notch conforming to a small-diameter side of a step between a center portion and one end portion of the shaft; a second lower side support member including a second lower notch conforming to a small-diameter side of a step between the center portion and another end portion of the shaft; a first upper side support member including a first upper notch conforming to the small-diameter side of the step between the center portion and the one end portion of the shaft; and a second upper side support member including a second upper notch conforming to the small-diameter side of the step between the center portion and the other end portion of the shaft.
    Type: Application
    Filed: December 11, 2013
    Publication date: September 15, 2016
    Applicant: Mitsubishi Electric Corporation
    Inventors: Akihisa YOKOYAMA, Yusaku MIYAMOTO
  • Patent number: 9315108
    Abstract: The disclosure includes a system and method for performing one or more vehicle functions associated with a vehicle. The system includes a processor and a memory storing instructions that, when executed, cause the system to: receive sensor data indicating that a vehicle has arrived at a destination location; determine a synchronized arrival time describing when the vehicle arrived at the destination location, the synchronized arrival time determined based in part on the sensor data; and determine one or more vehicle functions associated with the vehicle based in part on the synchronized arrival time.
    Type: Grant
    Filed: July 8, 2014
    Date of Patent: April 19, 2016
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventors: Akihisa Yokoyama, Takayuki Shimizu, Kunihiko Kumita, Tomoya Ohno
  • Patent number: 9307027
    Abstract: A system and method for managing smart grid communication is disclosed. The system includes a communication module, a discovery module, a translation module and a smart grid module. The communication module receives data initiating smart grid communication between a utility server and a communication node. The discovery module identifies a server protocol used by the utility server to communicate with the communication node. The discovery module identifies a node protocol used by the communication node to communicate with the utility server. The node protocol is incompatible with the server protocol. The translation module performs a protocol translation between the server protocol and the node protocol. The smart grid module handles the smart grid communication between the utility server and the communication node using the protocol translation.
    Type: Grant
    Filed: January 15, 2013
    Date of Patent: April 5, 2016
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Takayuki Shimizu, Akihisa Yokoyama, Kazuma Sato, Kunihiko Kumita
  • Patent number: 9306412
    Abstract: A system and method for controlling charging for a vehicle is disclosed. The system comprises a statistical analyzer, an estimation module and a determination module. The statistical analyzer analyzes a set of data describing utility rate information and one or more behaviors of the vehicle. The estimation module estimates one or more tendency parameters based at least in part on the analyzing. The determination module determines a charging setting based at least in part on the one or more tendency parameters. The charging setting comprises one or more of a target charging battery state of charge (SoC), a charging start time and a charging end time.
    Type: Grant
    Filed: March 30, 2012
    Date of Patent: April 5, 2016
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventors: Akihisa Yokoyama, Kunihiko Kumita
  • Publication number: 20160052413
    Abstract: The disclosure includes a system and method for providing charging services to mobile client devices. The system includes a processor and a memory storing instructions that, when executed, cause the system to: receive demand response event data associated with a geographic region; determine a last-mile distribution network that includes a first endpoint in the geographic region, the first endpoint associated with a mobile client device; estimate one or more last-mile power usage factors describing power usage of a set of endpoints in the last-mile distribution network, the set of endpoints including the first endpoint associated with the mobile client device; and determine a charge schedule for the mobile client device based on the demand response event data and the one or more last-mile power usage factors.
    Type: Application
    Filed: August 25, 2014
    Publication date: February 25, 2016
    Inventors: Takayuki Shimizu, Akihisa Yokoyama, Kunihiko Kumita, Tomoya Ohno
  • Publication number: 20160047862
    Abstract: The disclosure includes a system and method for providing charging services to mobile client devices. The system includes a processor and a memory storing instructions that, when executed, cause the system to: estimate a departure time of a future journey associated with a mobile client device; verify one or more electrical characteristics of a battery associated with the mobile client device; determine a target state of charge for the battery at the departure time; and determine a charge scheme to improve an operational life of the battery. The charge scheme has a combining charge cost that satisfies a charge objective of the mobile client device. The combining charge cost includes a weighted combination of a power cost and a battery degradation cost. The charge scheme is configured to charge the battery to achieve the target state of charge at the departure time.
    Type: Application
    Filed: August 18, 2014
    Publication date: February 18, 2016
    Inventors: Takayuki SHIMIZU, Akihisa Yokoyama
  • Publication number: 20160009188
    Abstract: The disclosure includes a system and method for performing one or more vehicle functions associated with a vehicle. The system includes a processor and a memory storing instructions that, when executed, cause the system to: receive sensor data indicating that a vehicle has arrived at a destination location; determine a synchronized arrival time describing when the vehicle arrived at the destination location, the synchronized arrival time determined based in part on the sensor data; and determine one or more vehicle functions associated with the vehicle based in part on the synchronized arrival time.
    Type: Application
    Filed: July 8, 2014
    Publication date: January 14, 2016
    Inventors: Akihisa YOKOYAMA, Takayuki SHIMIZU, Kunihiko KUMITA, Tomoya OHNO
  • Publication number: 20150283912
    Abstract: The disclosure includes a system and method for providing charging services to mobile client devices. The system includes a processor and a memory storing instructions that, when executed, cause the system to: estimate a departure time for a mobile client device; determine a target state of charge at the departure time for a battery system in the mobile client device; determine one or more available charging periods and one or more demand response event periods; determine one or more amounts of power to be discharged from the battery system during the one or more demand response event periods; determine one or more charging time slots within the one or more available charging periods based on the target state of charge and the one or more amounts of power to be discharged; and charge the battery system using the one or more charging time slots.
    Type: Application
    Filed: April 4, 2014
    Publication date: October 8, 2015
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Takayuki SHIMIZU, Akihisa YOKOYAMA, Atsushi KAWAKUBO
  • Patent number: 8958986
    Abstract: A parking assistance apparatus includes a display unit that displays an image of a scene behind a host vehicle. At least when the host vehicle moves forward or when the host vehicle is stopped, the display unit displays an indication including a plurality of kinds of trajectories along which the host vehicle is able to back up from a point at which the host vehicle is currently positioned, in a manner such that the indication is superimposed on the image of the scene behind the host vehicle.
    Type: Grant
    Filed: June 28, 2011
    Date of Patent: February 17, 2015
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventors: Kazunori Kagawa, Yuka Sobue, Satoru Niwa, Shin Tanaka, Akihisa Yokoyama, Kazuhiro Morimoto, Junichi Wakita, Chika Yoshioka, Yu Hiei, Ryuji Okamura
  • Patent number: 8938022
    Abstract: A system and method for realizing distributed interference alignment is disclosed. The system comprises a retrieving module, a determination module and a precoding module. The retrieving module retrieves source data. The determination module generates data describing one or more requirements for one or more associated Interference Alignment (IA) groups. The precoding module calculates a precoding vector based at least in part on the data describing the one or more requirements for the one or more associated IA groups. The precoding module is communicatively coupled to the retrieving module to receive the source data. The precoding module generates a transmission signal based at least in part on the precoding vector and the source data.
    Type: Grant
    Filed: November 11, 2011
    Date of Patent: January 20, 2015
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventor: Akihisa Yokoyama