Patents by Inventor Tetsuya Asai

Tetsuya Asai 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).

  • Patent number: 11385334
    Abstract: An optical scanning device includes a supporting body 2; an optical waveguide composed of a single crystal having electro-optic effect and integrated with the supporting body directly or through a clad layer; a plurality of periodic domain inversion parts formed in the optical waveguide, the periodic domain inversion parts having periods different from each other; and a plurality of electrodes capable of applying voltages on the periodic domain inversion parts, respectively, to generate diffraction gratings in the periodic domain inversion parts, respectively. The clad layer is composed of a material having a refractive index lower than a refractive index of the single crystal forming the optical waveguide.
    Type: Grant
    Filed: January 2, 2019
    Date of Patent: July 12, 2022
    Assignee: NGK Insulators, Ltd.
    Inventors: Jungo Kondo, Naotake Okada, Tetsuya Ejiri, Keiichiro Asai, Shoichiro Yamaguchi
  • Publication number: 20220197240
    Abstract: A multi-axis control adjustment apparatus includes adjustment axis selection circuitry configured to select a plurality of target axes among a plurality of axes each of which represents a combination of a motor and a motor control device configured to control the motor according to a control parameter of the motor control device, adjustment operation execution circuitry configured to perform adjustment operations in each of which the control parameter is adjusted with respect to each of the plurality of target axes, and first control parameter setting circuitry configured to change, according to the adjustment operations, timing at which the control parameter is set with respect to each of the plurality of target axes.
    Type: Application
    Filed: November 17, 2021
    Publication date: June 23, 2022
    Applicant: KABUSHIKI KAISHA YASKAWA DENKI
    Inventors: Minoru KOGA, Isamu MATSUMURA, Junichi WATANABE, Toshinobu KIRA, Tetsuya ASAI
  • Patent number: 11247732
    Abstract: In a suspension support bracket including a bracket body including a suspension attachment portion configured such that a shock absorber of a suspension device of a vehicle is attached to the suspension attachment portion, the bracket body is constructed of a single metal plate, and thickness dimensions of a region of the suspension attachment portion of the bracket body and a periphery of the suspension attachment portion are larger than a thickness dimension of another region adjacent to the region of the suspension attachment portion and periphery of the suspension attachment portion.
    Type: Grant
    Filed: July 23, 2019
    Date of Patent: February 15, 2022
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Tetsuya Asai, Ryuichi Okumoto
  • Patent number: 11084531
    Abstract: A cross member includes a plate member. The plate member constitutes a portion of a vehicle body frame, extends in a vehicle width direction, and is formed of metal. The plate member is provided with a level difference portion on a first surface of the plate member, and a cut mark portion on a second surface of the plate member. The second surface is on the opposite side of the first surface of the plate member. The plate member is provided with a thick plate portion on a first side of the plate member in a direction in which the plate member extends, and a thin plate portion on a second side of the plate member in the direction in which the plate member extends, with the level difference portion interposed between the first and second sides.
    Type: Grant
    Filed: April 29, 2019
    Date of Patent: August 10, 2021
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Tetsuya Asai, Ryuichi Okumoto
  • Publication number: 20210221187
    Abstract: A first crossmember is divided into a right crossmember and a left crossmember. A right fastened portion of a towing hook is inserted into the right crossmember, and a bolt is fastened by being passed through a bolt insertion hole of the right crossmember and a bolt insertion hole of the right fastened portion of the towing hook. A left fastened portion of the towing hook is inserted into the left crossmember, and a bolt is fastened by being passed through a bolt insertion hole of the left crossmember and a bolt insertion hole of the left fastened portion of the towing hook. Hereby, the attachment strength of the towing hook can be secured sufficiently, and even in a case where an input at the time of towing of a vehicle is excessive, the towing can be performed successfully.
    Type: Application
    Filed: November 12, 2020
    Publication date: July 22, 2021
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventor: Tetsuya ASAI
  • Patent number: 10988180
    Abstract: A cab mount for attaching a frame to a body is provided to prevent a forcible movement of the body generated under the influence of vertical vibration of the frame. A first cab mount includes: a collar extending vertically; and an upper mount rubber and a lower mount rubber disposed to face in the upper-lower direction on an outer periphery of the collar. The collar is attached to a body of a vehicle by being inserted into an attachment hole of a ladder frame of the vehicle while a peripheral part of the attachment hole is positioned between the upper mount rubber and the lower mount rubber. The upper mount rubber is spaced apart from the ladder frame in the upper-lower direction by a first predetermined distance while the lower mount rubber is spaced apart from the ladder frame in the upper-lower direction by a second predetermined distance.
    Type: Grant
    Filed: May 7, 2019
    Date of Patent: April 27, 2021
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Tetsuya Asai, Sentaro Tasaka
  • Publication number: 20200125940
    Abstract: A neural network circuit is provided with which it is possible to significantly reduce the area occupied by the connection unit of an FC-type neural network circuit. An analog-type neural network circuit SS constituting a learning apparatus having a self-learning function and corresponding to a brain function, wherein the neural network SS comprises: a plurality (n) of input-side neurons NR; a plurality (m, and including cases when n=m) of output-side neurons NR; (n×m) connection units CN each connecting one input-side neuron NR and one output-side neuron NR; and a self-learning control unit C, the (n×m) connection units CN being constituted from connection units CN corresponding to only the positive weighting function as a brain function, and connection units CN corresponding to only the negative weighting function as the brain function.
    Type: Application
    Filed: February 13, 2018
    Publication date: April 23, 2020
    Applicant: NATIONAL UNIVERSITY CORPORATION HOKKAIDO UNIVERSITY
    Inventor: Tetsuya ASAI
  • Publication number: 20200079429
    Abstract: A crossmember and a manufacturing method for a crossmember is disclosed. The crossmember is made of a metal sheet having a given sectional shape, configures a part of a vehicle body frame, extends along a vehicle width direction, and has an engine mount attaching portion provided in a part of an upper plate portion. The crossmember has an upper crossmember that is made of a single metal sheet extending along the vehicle width direction, the upper crossmember having a larger thickness in a region including the engine mount attaching portion of the upper plate portion and a surrounding area of the engine mount attaching portion compared to a thickness of a remaining region.
    Type: Application
    Filed: August 6, 2019
    Publication date: March 12, 2020
    Applicant: Toyota Jidosha Kabushiki Kaisha
    Inventors: Tetsuya Asai, Ryuichi Okumoto
  • Publication number: 20200079435
    Abstract: In a suspension support bracket including a bracket body including a suspension attachment portion configured such that a shock absorber of a suspension device of a vehicle is attached to the suspension attachment portion, the bracket body is constructed of a single metal plate, and thickness dimensions of a region of the suspension attachment portion of the bracket body and a periphery of the suspension attachment portion are larger than a thickness dimension of another region adjacent to the region of the suspension attachment portion and periphery of the suspension attachment portion.
    Type: Application
    Filed: July 23, 2019
    Publication date: March 12, 2020
    Applicant: Toyota Jidosha Kabushiki Kaisha
    Inventors: Tetsuya Asai, Ryuichi Okumoto
  • Publication number: 20200023904
    Abstract: A cross member includes a plate member. The plate member constitutes a portion of a vehicle body frame, extends in a vehicle width direction, and is formed of metal. The plate member is provided with a level difference portion on a first surface of the plate member, and a cut mark portion on a second surface of the plate member. The second surface is on the opposite side of the first surface of the plate member. The plate member is provided with a thick plate portion on a first side of the plate member in a direction in which the plate member extends, and a thin plate portion on a second side of the plate member in the direction in which the plate member extends, with the level difference portion interposed between the first and second sides.
    Type: Application
    Filed: April 29, 2019
    Publication date: January 23, 2020
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Tetsuya ASAI, Ryuichi OKUMOTO
  • Publication number: 20190344831
    Abstract: A cab mount for attaching a frame to a body is provided to prevent a forcible movement of the body generated under the influence of vertical vibration of the frame. A first cab mount includes: a collar extending vertically; and an upper mount rubber and a lower mount rubber disposed to face in the upper-lower direction on an outer periphery of the collar. The collar is attached to a body of a vehicle by being inserted into an attachment hole of a ladder frame of the vehicle while a peripheral part of the attachment hole is positioned between the upper mount rubber and the lower mount rubber. The upper mount rubber is spaced apart from the ladder frame in the upper-lower direction by a first predetermined distance while the lower mount rubber is spaced apart from the ladder frame in the upper-lower direction by a second predetermined distance.
    Type: Application
    Filed: May 7, 2019
    Publication date: November 14, 2019
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Tetsuya ASAI, Sentaro Tasaka
  • Patent number: 10321046
    Abstract: The present invention is to provide an imaging apparatus superior in operability and visibility at the time of setting and adjusting functions thereof. The apparatus includes GUI screen image generating means for generating a GUI screen image for operating the imaging apparatus to display the GUI screen image on image display means; operating means for operating the GUI screen image displayed on the image display means; controlling means for controlling the imaging apparatus in accordance with the operation of the GUI screen image by the operating means; storing means for storing hierarchy type main menu information; menu generating means; and menu editing means capable of editing the unique menu information generated by the menu generating means.
    Type: Grant
    Filed: July 19, 2016
    Date of Patent: June 11, 2019
    Assignee: Sony Corporation
    Inventors: Isao Sasaki, Riuzou Nagatsuka, Emi Arakawa, Tetsuya Asai, Masaki Mikamo, Takashi Nunomaki, Hisashi Ohashi, Kenji Tsushio, Mayumi Kamiya, Kenji Yoshida, Takeshi Harada, Keiki Fukuda
  • Patent number: 9944324
    Abstract: The present invention provides a vehicle frame structure including: a pair of right and left side rails; a cross member that bridges the side rails in the vehicle width direction; a bumper reinforcement that is placed on the front side of the side rails; load bearing portions that are disposed at vehicle width direction outer side surfaces of the side rails; curved portions that are disposed in the bumper reinforcement, curve toward the vehicle rear side heading outward in the vehicle width direction in sections of the bumper reinforcement at the vehicle width direction outer sides of the side rails; and projecting portions that are secured to rear surfaces of the curved portions of the bumper reinforcement, that project toward the vehicle rear side, that are placed with gaps between them and the load bearing portions.
    Type: Grant
    Filed: June 2, 2016
    Date of Patent: April 17, 2018
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventor: Tetsuya Asai
  • Publication number: 20170036699
    Abstract: The present invention provides a vehicle frame structure including: a pair of right and left side rails; a cross member that bridges the side rails in the vehicle width direction; a bumper reinforcement that is placed on the front side of the side rails; load bearing portions that are disposed at vehicle width direction outer side surfaces of the side rails; curved portions that are disposed in the bumper reinforcement, curve toward the vehicle rear side heading outward in the vehicle width direction in sections of the bumper reinforcement at the vehicle width direction outer sides of the side rails; and projecting portions that are secured to rear surfaces of the curved portions of the bumper reinforcement, that project toward the vehicle rear side, that are placed with gaps between them and the load bearing portions.
    Type: Application
    Filed: June 2, 2016
    Publication date: February 9, 2017
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventor: Tetsuya ASAI
  • Publication number: 20170019586
    Abstract: The present invention is to provide an imaging apparatus superior in operability and visibility at the time of setting and adjusting functions thereof. The apparatus includes GUI screen image generating means for generating a GUI screen image for operating the imaging apparatus to display the GUI screen image on image display means; operating means for operating the GUI screen image displayed on the image display means; controlling means for controlling the imaging apparatus in accordance with the operation of the GUI screen image by the operating means; storing means for storing hierarchy type main menu information; menu generating means; and menu editing means capable of editing the unique menu information generated by the menu generating means.
    Type: Application
    Filed: July 19, 2016
    Publication date: January 19, 2017
    Inventors: Isao Sasaki, Riuzou Nagatsuka, Emi Arakawa, Tetsuya Asai, Masaki Mikamo, Takashi Nunomaki, Hisashi Ohashi, Kenji Tsushio, Mayumi Kamiya, Kenji Yoshida, Takeshi Harada, Keiki Fukuda
  • Patent number: 9483036
    Abstract: This disclosure discloses a motor control apparatus including a current conversion part, a voltage control part, a current detection part, and a phase compensation part. The current conversion part generates a voltage command on the basis of a current deviation between a current command and an estimated current. The voltage control part controls an output voltage to a motor. The current detection part detects a motor current. The phase compensation part inputs the detected motor current and the voltage command and outputs, as the estimated current, the motor current in which a delay in phase of the motor current relative to the current command has been compensated.
    Type: Grant
    Filed: March 25, 2015
    Date of Patent: November 1, 2016
    Assignee: KABUSHIKI KAISHA YASKAWA DENKI
    Inventors: Yasuhiko Kaku, Tetsuya Asai
  • Patent number: 9471047
    Abstract: This disclosure discloses a motor control apparatus including a current conversion part, a voltage control part, a current detection part, and a current estimation part. The current conversion part generates a voltage command on the basis of a current deviation between a current command and an estimated current. The voltage control part controls an output voltage to a motor. The current detection part detects a motor current. The current estimation part inputs the detected motor current and the voltage command and outputs the motor current in which an influence by a disturbance has been compensated for as the estimated current.
    Type: Grant
    Filed: March 25, 2015
    Date of Patent: October 18, 2016
    Assignee: KABUSHIKI KAISHA YASKAWA DENKI
    Inventors: Yasuhiko Kaku, Tetsuya Asai
  • Patent number: 9426355
    Abstract: An imaging apparatus generates a GUI screen image for operating the imaging apparatus. A controller controls the generation of the GUI screen image upon detecting a predetermined operation.
    Type: Grant
    Filed: July 2, 2012
    Date of Patent: August 23, 2016
    Assignee: Sony Corporation
    Inventors: Isao Sasaki, Riuzou Nagatsuka, Emi Arakawa, Tetsuya Asai, Masaki Mikamo, Takashi Nunomaki, Hisashi Ohashi, Kenji Tsushio, Mayumi Kamiya, Kenji Yoshida, Takeshi Harada, Keiki Fukuda
  • Publication number: 20150198934
    Abstract: This disclosure discloses a motor control apparatus including a current conversion part, a voltage control part, a current detection part, and a current estimation part. The current conversion part generates a voltage command on the basis of a current deviation between a current command and an estimated current. The voltage control part controls an output voltage to a motor. The current detection part detects a motor current. The current estimation part inputs the detected motor current and the voltage command and outputs the motor current in which an influence by a disturbance has been compensated for as the estimated current.
    Type: Application
    Filed: March 25, 2015
    Publication date: July 16, 2015
    Applicant: KABUSHIKI KAISHA YASKAWA DENKI
    Inventors: Yasuhiko KAKU, Tetsuya ASAI
  • Publication number: 20150198935
    Abstract: This disclosure discloses a motor control apparatus including a current conversion part, a voltage control part, a current detection part, and a phase compensation part. The current conversion part generates a voltage command on the basis of a current deviation between a current command and an estimated current. The voltage control part controls an output voltage to a motor. The current detection part detects a motor current. The phase compensation part inputs the detected motor current and the voltage command and outputs, as the estimated current, the motor current in which a delay in phase of the motor current relative to the current command has been compensated.
    Type: Application
    Filed: March 25, 2015
    Publication date: July 16, 2015
    Applicant: KABUSHIKI KAISHA YASKAWA DENKI
    Inventors: Yasuhiko KAKU, Tetsuya ASAI