Patents by Inventor Yutaka Takagi

Yutaka Takagi 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: 11882420
    Abstract: An audio signal synchronization control device of the present disclosure includes a host controller, a plurality of audio devices, a communication unit capable of performing broadcast communication for controlling the plurality of audio devices from the host controller, and a clock oscillator that supplies a master clock of the same source oscillation to the plurality of audio devices. The host controller performs broadcast communication with a plurality of audio devices using a synchronization address. Each of the plurality of audio devices includes a synchronization control unit that generates a synchronization reset signal in a case where broadcast communication is performed by a synchronization address, a clock reset control unit that generates a timing signal in response to the synchronization reset signal, and an audio signal processing unit that processes audio data in accordance with the timing signal.
    Type: Grant
    Filed: January 22, 2020
    Date of Patent: January 23, 2024
    Assignee: SONY SEMICONDUCTOR SOLUTIONS CORPORATION
    Inventors: Nobuo Namekawa, Yutaka Takagi
  • Publication number: 20240013407
    Abstract: An information processing apparatus comprises a first computation unit configured to obtain first features of an image of a tracking target, a second computation unit configured to obtain second features of an image of a search region, a third computation unit configured to obtain an inference tensor representing likelihoods that the tracking target is present at respective positions of the image of the search region, using the first features and the second features, and a fourth computation unit configured to obtain an inference map representing a position of the tracking target in the image of the search region, using the inference tensor.
    Type: Application
    Filed: June 21, 2023
    Publication date: January 11, 2024
    Inventors: Yutaka TAKAGI, Shunta TATE
  • Publication number: 20230255533
    Abstract: A monitoring device includes an emitting part that emits an ultrasonic wave, a reception part that receives a reflected wave, and a detection part. When the emitting part emits the ultrasonic wave to a bottom of bladder of a subject, the reception part receives a reflected wave from the bottom of bladder, the reflected wave being based on the ultrasonic wave from the emitting part. The detection part detects, based on a result of reception by the reception part, a predetermined movement of the bottom of bladder or an index indicating a moving state of the bottom of bladder.
    Type: Application
    Filed: March 4, 2022
    Publication date: August 17, 2023
    Applicant: NGK SPARK PLUG CO., LTD.
    Inventors: Hiroko HASEGAWA, Yutaka TAKAGI, Yoshiki TSUBOI, Norihiko NADANAMI
  • Publication number: 20230030547
    Abstract: A flying object according to the present technology includes: an airframe including a rotary wing part; a plurality of sensors each provided on a bottom side of the airframe, detecting an opposed surface, and measuring a distance from the surface; and a control device including an estimation unit that estimates an attitude of the airframe with respect to the surface on a basis of the distance at each position of the sensors obtained from the plurality of sensors.
    Type: Application
    Filed: January 7, 2020
    Publication date: February 2, 2023
    Inventors: Yutaka TAKAGI, Takeru SHIROTA
  • Publication number: 20220380032
    Abstract: To provide an aerial vehicle that can realize ease of operation during driving. An aerial vehicle according to the present technology includes: a vehicle body extending in a front-rear direction; a saddle section provided on an upper side of the vehicle body; a grip section provided on the front side of the saddle section in the vehicle body; and a rotary wing section which is provided in the vehicle body and which generates lift and/or thrust with respect to the vehicle body; wherein an operation section for performing operations pertaining to actions relating to ascent and/or propulsion of the vehicle body is provided in the grip section.
    Type: Application
    Filed: October 8, 2019
    Publication date: December 1, 2022
    Inventors: Yasuhiro ARAKAWA, Yutaka TAKAGI, Takafumi OBA, Takeru SHIROTA, Yuki TAKIZAWA, Hiroshi NAKANO
  • Publication number: 20220363374
    Abstract: To provide an aerial vehicle that can improve the driving feel and riding comfort of a rider. An aerial vehicle according to the present technology includes: a vehicle body extending in the front-rear direction; a saddle section provided on an upper side of the vehicle body; a motive power section provided on an underside of the vehicle body, at a position below the saddle section; and a rotary wing section which is provided at at least one of the front and rear of the motive power section, and which rotates by using the motive power section as a motive power source.
    Type: Application
    Filed: October 8, 2019
    Publication date: November 17, 2022
    Inventors: Yasuhiro ARAKAWA, Yutaka TAKAGI, Takafumi OBA, Takeru SHIROTA, Shuhei KOMATSU
  • Publication number: 20220150631
    Abstract: An audio signal synchronization control device of the present disclosure includes a host controller, a plurality of audio devices, a communication unit capable of performing broadcast communication for controlling the plurality of audio devices from the host controller, and a clock oscillator that supplies a master clock of the same source oscillation to the plurality of audio devices. The host controller performs broadcast communication with a plurality of audio devices using a synchronization address. Each of the plurality of audio devices includes a synchronization control unit that generates a synchronization reset signal in a case where broadcast communication is performed by a synchronization address, a clock reset control unit that generates a timing signal in response to the synchronization reset signal, and an audio signal processing unit that processes audio data in accordance with the timing signal.
    Type: Application
    Filed: January 22, 2020
    Publication date: May 12, 2022
    Inventors: NOBUO NAMEKAWA, YUTAKA TAKAGI
  • Patent number: 10591953
    Abstract: The present disclosure relates to a signal processing apparatus and method that enables to reduce required power. In the signal processing apparatus, a RTC of a main chip and a RTC of a power supply chip are synchronized before power supply of the main chip is stopped, and the RTC of the main chip is synchronized with the time of the RTC of the power supply chip after the power supply of the main chip is restored. In this way, the RTC uses continuous time information before and after the stop. The present disclosure is capable of being applied to, for example, a GPS module in which a digital circuit includes a plurality of chips.
    Type: Grant
    Filed: May 20, 2016
    Date of Patent: March 17, 2020
    Assignee: SONY SEMICONDUCTOR SOLUTIONS CORPORATION
    Inventors: Sotaro Ohara, Katsuyuki Tanaka, Katsumi Takaoka, Keita Izumi, Suguru Houchi, Gaku Hidai, Yutaka Takagi, Hideki Takahashi, Hideki Awata, Yasushi Katayama, Naoki Yoshimochi, Toshimasa Shimizu
  • Patent number: 10470300
    Abstract: A glass panel for a wiring board, includes a first surface and a second surface, the second surface being opposite to the first surface; and an alignment mark constituted by a plurality of through holes each penetrating the glass panel from the first surface to the second surface, at least one of the plurality of through holes being configured such that a first diameter “t1” of a first opening at the first surface, a second diameter “t2” of a second opening at the second surface, and a minimum diameter “t3” between the first surface and the second surface satisfy t1>t3 and also t2>t3.
    Type: Grant
    Filed: July 24, 2018
    Date of Patent: November 5, 2019
    Assignee: AGC Inc.
    Inventors: Toshitake Seki, Yutaka Takagi, Toshikazu Horio, Atsuhiko Sugimoto
  • Patent number: 10246152
    Abstract: A displacement manipulated variable determination section 53 in a control device 40 for a mobile robot 1 determines, for each of contacting portions 13, 23 of a plurality of movable links 3, 4, a displacement manipulated variable for making a desired position and/or posture of the contacting portion 13 or 23 displaced, by integrating, under a predetermined condition, a deviation between an observed value of an actual contact reaction force acting from an external object and a desired value thereof. The control device 40 controls an actuator 41 that drives a corresponding joint, in accordance with the displacement manipulated variable determined and a reference operational goal for the mobile robot 1.
    Type: Grant
    Filed: October 27, 2016
    Date of Patent: April 2, 2019
    Assignee: HONDA MOTOR CO., LTD.
    Inventors: Yutaka Takagi, Chiaki Tanaka, Tomoki Watabe, Hiroyuki Kaneko, Masao Kanazawa
  • Publication number: 20180210487
    Abstract: The present disclosure relates to a signal processing apparatus and method that enables to reduce required power. In the signal processing apparatus, a RTC of a main chip and a RTC of a power supply chip are synchronized before power supply of the main chip is stopped, and the RTC of the main chip is synchronized with the time of the RTC of the power supply chip after the power supply of the main chip is restored. In this way, the RTC uses continuous time information before and after the stop. The present disclosure is capable of being applied to, for example, a GPS module in which a digital circuit includes a plurality of chips.
    Type: Application
    Filed: May 20, 2016
    Publication date: July 26, 2018
    Inventors: SOTARO OHARA, KATSUYUKI TANAKA, KATSUMI TAKAOKA, KEITA IZUMI, SUGURU HOUCHI, GAKU HIDAI, YUTAKA TAKAGI, HIDEKI TAKAHASHI, HIDEKI AWATA, YASUSHI KATAYAMA, NAOKI YOSHIMOCHI, TOSHIMASA SHIMIZU
  • Patent number: 9862095
    Abstract: The present invention provides a control device for a mobile robot. While a mobile robot 1 is in a predetermined motion state, if a load evaluation amount, which is either the magnitude of a load detected on a particular joint or an estimated temperature value of a joint actuator for driving the joint, exceeds a predetermined threshold value, then a desired displacement amount of each joint of the mobile robot 1 is determined with a requirement that the load evaluation amount remains to be the threshold value or less, and the joint actuator is controlled on the basis of the determined desired displacement amount.
    Type: Grant
    Filed: July 17, 2015
    Date of Patent: January 9, 2018
    Assignee: HONDA MOTOR CO., LTD.
    Inventors: Yutaka Takagi, Chiaki Tanaka
  • Patent number: 9859683
    Abstract: A DFB laser element includes an active layer 4 having a multiple quantum well structure including a plurality of well layers 4B having different thicknesses, a diffraction grating layer 6 that is optically coupled to the active layer 4, and a pair of cladding layers with the active layer 4 and the diffraction grating layer 6 interposed therebetween. An effective refractive index of the diffraction grating layer 6 is high, and a thickness of the well layer 4B increases as a distance from the diffraction grating layer 6 increases. In this structure, it is possible to reduce dependence on temperature when the DFB semiconductor laser element is miniaturized.
    Type: Grant
    Filed: January 4, 2017
    Date of Patent: January 2, 2018
    Assignee: HAMAMATSU PHOTONICS K.K.
    Inventors: Masahiro Hitaka, Yutaka Takagi, Takahiro Sugiyama
  • Publication number: 20170201069
    Abstract: A DFB laser element includes an active layer 4 having a multiple quantum well structure including a plurality of well layers 4B having different thicknesses, a diffraction grating layer 6 that is optically coupled to the active layer 4, and a pair of cladding layers with the active layer 4 and the diffraction grating layer 6 interposed therebetween. An effective refractive index of the diffraction grating layer 6 is high, and a thickness of the well layer 4B increases as a distance from the diffraction grating layer 6 increases. In this structure, it is possible to reduce dependence on temperature when the DFB semiconductor laser element is miniaturized.
    Type: Application
    Filed: January 4, 2017
    Publication date: July 13, 2017
    Applicant: HAMAMATSU PHOTONICS K.K.
    Inventors: Masahiro HITAKA, Yutaka TAKAGI, Takahiro SUGIYAMA
  • Publication number: 20170183047
    Abstract: A displacement manipulated variable determination section 53 in a control device 40 for a mobile robot 1 determines, for each of contacting portions 13, 23 of a plurality of movable links 3, 4, a displacement manipulated variable for making a desired position and/or posture of the contacting portion 13 or 23 displaced, by integrating, under a predetermined condition, a deviation between an observed value of an actual contact reaction force acting from an external object and a desired value thereof. The control device 40 controls an actuator 41 that drives a corresponding joint, in accordance with the displacement manipulated variable determined and a reference operational goal for the mobile robot 1.
    Type: Application
    Filed: October 27, 2016
    Publication date: June 29, 2017
    Inventors: Yutaka Takagi, Chiaki Tanaka, Tomoki Watabe, Hiroyuki Kaneko, Masao Kanazawa
  • Patent number: 9356864
    Abstract: It is provided a packet transfer apparatus comprising: a packet reception part; a packet transmission part; a packet generation part for generating an own-apparatus-originated packet serving as a packet for instructing a predetermined operation and outputting the own-apparatus-originated packet; a packet search part for determining a content of flow control and searching for an output circuit; a search memory for storing the content of the flow control and information for identifying the output circuit outputting the packet; and a packet transfer processing part. The packet reception part determines whether the received packet is the own-apparatus-originated packet; and outputs a self-origination flag indicating a result of the determining and header information of the received packet to the packet search part. The packet search part determines the content of the flow control for the received packet by referring to the search memory based on the self-origination flag and the header information.
    Type: Grant
    Filed: April 28, 2014
    Date of Patent: May 31, 2016
    Assignee: ALAXALA NETWORKS CORPORATION
    Inventors: Kentaro Sugawara, Yuichi Ishikawa, Yutaka Takagi, Takao Nara
  • Publication number: 20160082591
    Abstract: The present invention provides a control device for a mobile robot. While a mobile robot 1 is in a predetermined motion state, if a load evaluation amount, which is either the magnitude of a load detected on a particular joint or an estimated temperature value of a joint actuator for driving the joint, exceeds a predetermined threshold value, then a desired displacement amount of each joint of the mobile robot 1 is determined with a requirement that the load evaluation amount remains to be the threshold value or less, and the joint actuator is controlled on the basis of the determined desired displacement amount.
    Type: Application
    Filed: July 17, 2015
    Publication date: March 24, 2016
    Inventors: Yutaka Takagi, Chiaki Tanaka
  • Publication number: 20150043582
    Abstract: It is provided a packet transfer apparatus comprising: a packet reception part; a packet transmission part; a packet generation part for generating an own-apparatus-originated packet serving as a packet for instructing a predetermined operation and outputting the own-apparatus-originated packet; a packet search part for determining a content of flow control and searching for an output circuit; a search memory for storing the content of the flow control and information for identifying the output circuit outputting the packet; and a packet transfer processing part. The packet reception part determines whether the received packet is the own-apparatus-originated packet; and outputs a self-origination flag indicating a result of the determining and header information of the received packet to the packet search part. The packet search part determines the content of the flow control for the received packet by referring to the search memory based on the self-origination flag and the header information.
    Type: Application
    Filed: April 28, 2014
    Publication date: February 12, 2015
    Applicant: ALAXALA Networks Corporation
    Inventors: Kentaro SUGAWARA, Yuichi ISHIKAWA, Yutaka TAKAGI, Takao NARA
  • Patent number: 8490600
    Abstract: The present invention provides a common rail formed by bonding a common rail body and a common rail holder which has a pressing surface and a convex bonding surface, by means of a heat pressure bonding process and a liquid phase diffusion bonding process, wherein the height H of the convex bonding surface satisfies 1 ?m?H?50 ?m, and the common rail holder includes a deformation introducing portion in which an area of a cross-section parallel to the pressing surface is smaller than the area of the pressing surface.
    Type: Grant
    Filed: October 13, 2010
    Date of Patent: July 23, 2013
    Assignees: Nippon Steel & Sumitomo Metal Corporation, Fukujukogyo Co., Ltd.
    Inventors: Ryuichi Honma, Ryuji Uemori, Yasushi Hasegawa, Yutaka Takagi
  • Publication number: 20110239989
    Abstract: The present invention provides a common rail formed by bonding a common rail body and a common rail holder which has a pressing surface and a convex bonding surface, by means of a heat pressure bonding process and a liquid phase diffusion bonding process, wherein the height H of the convex bonding surface satisfies 1 ?m?H?50 ?m, and the common rail holder includes a deformation introducing portion in which an area of a cross-section parallel to the pressing surface is smaller than the area of the pressing surface.
    Type: Application
    Filed: October 13, 2010
    Publication date: October 6, 2011
    Inventors: Ryuichi Honma, Ryuji Uemori, Yasushi Hasegawa, Yutaka Takagi