Patents Assigned to Toyota Central Research and Development Laboratories, Inc.
  • Patent number: 9500785
    Abstract: A grating structure and a solar cell assembly. In one aspect, the grating structure suppresses the zero order transmission to near 0%. In another aspect, the solar cell assembly has improved absorption due to coupling with a grating structure.
    Type: Grant
    Filed: January 31, 2014
    Date of Patent: November 22, 2016
    Assignees: Toyota Motor Engineering & Manufacturing North America, Inc., The Trustees of the University of Pennsylvania, Toyota Central Research and Development Laboratories, Inc.
    Inventors: Hideo Iizuka, Nader Engheta, Yasuhiko Takeda
  • Publication number: 20140144506
    Abstract: A grating structure and a solar cell assembly. In one aspect, the grating structure suppresses the zero order transmission to near 0%. In another aspect, the solar cell assembly has improved absorption due to coupling with a grating structure.
    Type: Application
    Filed: January 31, 2014
    Publication date: May 29, 2014
    Applicants: Toyota Motor Engineering and Manufacturing North America, Inc., Toyota Central Research and Development Laboratories, Inc., The Trustees of the University of Pennsylvania
    Inventors: Hideo Iizuka, Nader Engheta, Yasuhiko Takeda
  • Patent number: 8675279
    Abstract: A grating structure and a solar cell assembly. In one aspect, the grating structure suppresses the zero order transmission to near 0%. In another aspect, the solar cell assembly has improved absorption due to coupling with a grating structure.
    Type: Grant
    Filed: December 15, 2009
    Date of Patent: March 18, 2014
    Assignees: Toyota Motor Engineering and Manufacturing North America, Inc., The Trustees of the University of Pennsylvania, Toyota Central Research and Development Laboratories, Inc.
    Inventors: Hideo Iizuki, Nader Engheta, Yasuhiko Takeda
  • Publication number: 20110139234
    Abstract: A grating structure and a solar cell assembly. In one aspect, the grating structure suppresses the zero order transmission to near 0%. In another aspect, the solar cell assembly has improved absorption due to coupling with a grating structure.
    Type: Application
    Filed: December 15, 2009
    Publication date: June 16, 2011
    Applicants: Toyota Motor Engineering and Manufacturing North America, Inc., The Trustees of the University of Pennsylvania Office of Research Services, Toyota Central Research and Development Laboratories, Inc.
    Inventors: Hideo Iizuka, Nader Engheta, Yasuhiko Takeda
  • Patent number: 4821188
    Abstract: In this vehicle height adjustment system, a plurality of actuator assemblies are provided, one corresponding to each one of the vehicle wheels and resiliently suspending it from the vehicle body. These actuator assemblies have pressure chambers, and each is adapted to increase or decrease the vehicle height at a location corresponding to its corresponding wheel as respective results of supplying or discharging of working fluid to or from its pressure chamber. Working fluid supply/discharge means are provided corresponding to the actuator assemblies and supply and discharge working fluid to and from their pressure chambers. Vehicle height detection means are provided for sensing the heights of the vehicle above the wheels. A means detects the rate of change of the steering angle of the vehicle.
    Type: Grant
    Filed: October 22, 1986
    Date of Patent: April 11, 1989
    Assignees: Toyota Jidosha Kabushiki Kaisha, Toyota Central Research and Development Laboratories, Inc.
    Inventors: Hiroyuki Ikemoto, Nobutaka Oowa, Yasuji Arai, Osamu Yasuike, Shunichi Doi
  • Patent number: 4821191
    Abstract: In this vehicle height adjustment system, a plurality of actuator assemblies are provided, one corresponding to each one of the vehicle wheels and resiliently suspending it from the vehicle body. These actuator assemblies have pressure chambers, and each is adapted to increase or decrease the vehicle height at a location corresponding to its corresponding wheel as respective results of supplying or discharging of working fluid to or from its pressure chamber. Working fluid supply/discharge means are provided corresponding to the actuator assemblies and supply and discharge working fluid to and from their pressure chambers. Wheel loading detection means are provided for sensing parameters representative of the loadings imposed by the vehicle body on the wheels, and vehicle height detection means are provided for sensing the heights of the vehicle above the wheels.
    Type: Grant
    Filed: October 22, 1986
    Date of Patent: April 11, 1989
    Assignees: Toyota Jidosha Kabushiki Kaisha, Toyota Central Research and Development Laboratories, Inc.
    Inventors: Hiroyuki Ikemoto, Yasuji Arai, Osamu Yasuike, Nobutaka Oowa, Shunichi Doi
  • Patent number: 4809176
    Abstract: In this system for vehicle roll control, a plurality of duty radio controlled actuator assemblies are provided, one corresponding to each one of the vehicle wheels, and resiliently suspended from the vehicle body. These actuator assemblies have pressure chambers, and each is adapted to increase or decrease the vehicle height at a location corresponding to its corresponding vehicle wheel as a result of the supplying or discharging of working fluid to or from its pressure chamber. Working fluid supplying and discharging means supply working fluid to and discharge working fluid from the pressure chambers of the actuator assemblies. The system further includes means for sensing the road speed of the vehicle, and means for sensing the steering angle of the vehicle. Vehicle height detection means are also provided for sensing the heights of the vehicle above the vehicle wheels.
    Type: Grant
    Filed: October 22, 1986
    Date of Patent: February 28, 1989
    Assignees: Toyota Jidosha Kabushiki Kaisha, Toyota Central Research and Development Laboratories, Inc.
    Inventors: Nobutaka Oowa, Yasuji Arai, Osamu Yasuike, Hiroyuki Ikemoto, Shunichi Doi
  • Patent number: 4797823
    Abstract: In this roll control system, suspension means are provided for resiliently suspending the vehicle wheels with variable hardness/softness characteristics, each suspension means including an actuator with a pressure chamber which increases or decreases wheel suspension height according to the supply or discharge of working fluid. Working fluid supply/discharge means are provided for the actuators, to supply and discharge working fluid to and from actuator pressure chambers. The road speed, the steering angle, and the actual body roll angle are detected. Means for computing and control computes a steady state vehicle body roll angle .phi..sub..infin. from the vehicle speed and steering angle, advances the phase of a signal indicative of .phi..sub..infin. to compute a compensating roll angle value .PHI..sub..infin., and then computes a difference value .phi. based upon a desired roll angle .phi..sub.a, .PHI..sub..infin., and the actual roll angle .phi..sub.t, according to the equation:.phi.=.phi..sub.a -(k1.PHI..
    Type: Grant
    Filed: October 21, 1986
    Date of Patent: January 10, 1989
    Assignees: Toyota Jidosha Kabushiki Kaisha, Toyota Central Research & Development Laboratories, Inc.
    Inventors: Hiroyuki Ikemoto, Nobutaka Oowa, Yasutaka Hayashi, Shunichi Doi
  • Patent number: 4693493
    Abstract: In this system for vehicle roll control, a plurality of actuator assemblies are provided, one corresponding to each one of the vehicle wheels and resiliently suspending it from the vehicle body. These actuator assemblies have pressure chambers, and each is adapted to increase or decrease the vehicle height at a location corresponding to its corresponding vehicle wheel as respective results of supplying or discharging of working fluid to or from its pressure chamber. A plurality of working fluid supplying and discharging valves are provided corresponding to the actuator assemblies and serve to supply working fluid to the working fluid chambers and to discharge working fluid from the working fluid chambers. A vehicle speed detector senses the road speed of the vehicle, and a steering angle detector senses the steering angle of the vehicle. A control computer computes a steady state roll angle .phi..sub..infin.
    Type: Grant
    Filed: October 21, 1986
    Date of Patent: September 15, 1987
    Assignees: Toyota Jidosha Kabushiki Kaisha, Toyota Central Research & Development Laboratories, Inc.
    Inventors: Hiroyuki Ikemoto, Nobutaka Oowa, Yasutaka Hayashi, Shunichi Doi