Patents by Inventor Takeshi Yamazaki

Takeshi Yamazaki 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: 12206450
    Abstract: A phase difference distribution estimation method includes: receiving an optical signal via a space and detecting a phase of the optical signal; calculating characteristic values related to characteristics of the atmosphere through which the optical signal propagates from the optical signal received in the receiving; estimating a phase difference distribution of an optical signal received after a certain period of time, on the basis of the characteristic values calculated in the calculating; and controlling a phase of an optical signal in the receiving on the basis of the phase difference distribution estimated in the estimating.
    Type: Grant
    Filed: June 23, 2020
    Date of Patent: January 21, 2025
    Assignee: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
    Inventors: Yohei Katayama, Kazumitsu Sakamoto, Kento Yoshizawa, Hiroyuki Fukumoto, Takuya Ohara, Takeshi Kinoshita, Etsushi Yamazaki, Takayuki Mizuno
  • Patent number: 12206458
    Abstract: A communication device includes: a light output unit for outputting light; a light splitting unit for splitting the light output by the light output unit into a plurality of split beams; and a plurality of spatial optical communication units provided in correspondence to the plurality of split beams, wherein the spatial optical communication units respectively transmit a corresponding split beam which is input from the light splitting unit to a partner communication device across space.
    Type: Grant
    Filed: June 24, 2020
    Date of Patent: January 21, 2025
    Assignee: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
    Inventors: Yohei Katayama, Kazumitsu Sakamoto, Kento Yoshizawa, Hiroyuki Fukumoto, Takuya Ohara, Takeshi Kinoshita, Etsushi Yamazaki, Takayuki Mizuno
  • Publication number: 20250023362
    Abstract: An electric vehicle and a system that easily recognize theft of a secondary battery of an electric vehicle typified by an electrically assisted bicycle and prevent the theft are provided. To prevent the theft of a secondary battery that can be detached from an electric vehicle typified by an electrically assisted bicycle or an electric motorcycle, mutual authentication between an electric vehicle body unit and a secondary battery unit is performed. The secondary battery unit at least includes a first memory portion storing first identification information, an authentication portion, and a wireless communication portion.
    Type: Application
    Filed: November 28, 2022
    Publication date: January 16, 2025
    Inventors: Takeshi OSADA, Tetsuya KAKEHATA, Yosuke TSUKAMOTO, Shigeru ONOYA, Noboru INOUE, Shunpei YAMAZAKI
  • Publication number: 20250014688
    Abstract: A method for machine learning aided modeling of two interacting structures may include: (a) receiving an input structure comprising an interaction region; (b) generating a plurality of candidate structures using a first differentiable machine learning model; (c) docking one or more candidate structures of the plurality of candidate structures at the interaction region of the input structure using a second differentiable machine learning model to predict a docking geometry; (d) ranking the one or more candidate structures of the plurality of candidate structures docked in (c) using a third differentiable machine learning model to predict a score; and (e) backpropagating the score to (i) the first differentiable machine learning model to update the plurality of candidate structures or (ii) the second differentiable machine learning model to update the docking geometry.
    Type: Application
    Filed: September 19, 2024
    Publication date: January 9, 2025
    Inventors: Kevin RYCZKO, Amit KADAN, Takeshi YAMAZAKI
  • Publication number: 20250003892
    Abstract: There is provided an X-ray inspection apparatus including: an X-ray inspection unit and an inspection processing unit that execute an image process on X-ray transmission image data in a plurality of energy regions to generate an inspection image and inspect an inspection object; a display panel for displaying an inspection result; a display image generation portion for executing an image process on the X-ray transmission image data in the plurality of energy regions to generate a display image as a candidate image in which an image brightness of the inspection object is visually different from an image brightness of the inspection image used in the inspection processing unit; and a display control portion for causing the display panel to display the inspection result and the display image different from the inspection image.
    Type: Application
    Filed: June 25, 2024
    Publication date: January 2, 2025
    Inventors: Takeshi YAMAZAKI, Kengo ODA, Ryohei ISHIKAWA, Naoya SAITO
  • Patent number: 12176371
    Abstract: Distance measurement accuracy is improved. A light-receiving element according to an embodiment includes a semiconductor substrate, and lattice-shaped pixel separating parts that divide the semiconductor substrate into a plurality of pixel regions arranged in a matrix form, wherein each of the pixel regions includes: a first semiconductor region disposed on a first surface side in the semiconductor substrate; a second semiconductor region disposed on the first surface side in the semiconductor substrate separately from the first semiconductor region; and a first blocking region disposed between the first semiconductor region and the second semiconductor region on the first surface side in the semiconductor substrate and having a dielectric constant different from that of the semiconductor substrate.
    Type: Grant
    Filed: January 8, 2020
    Date of Patent: December 24, 2024
    Assignee: Sony Semiconductor Solutions Corporation
    Inventor: Takeshi Yamazaki
  • Patent number: 12159888
    Abstract: There is provided a light-receiving element that includes a semiconductor substrate, a light-shielding film provided on a first surface of the semiconductor substrate and having a lattice form in which openings are arrayed in a matrix form, a plurality of first semiconductor regions arrayed in a matrix form on a second surface opposite to the first surface of the semiconductor substrate, a plurality of second semiconductor regions provided in an adjacent region which is the second surface of the semiconductor substrate and interposes each of the first semiconductor regions in a column direction, and a wiring layer provided on the second surface of the semiconductor substrate and electrically connected to the first semiconductor regions. The first semiconductor region is located in a corresponding region with the light-shielding film and the first surface of the semiconductor substrate interposed therebetween.
    Type: Grant
    Filed: January 8, 2020
    Date of Patent: December 3, 2024
    Assignee: SONY SEMICONDCUTOR SOLUTIONS CORPORATION
    Inventor: Takeshi Yamazaki
  • Patent number: 12149845
    Abstract: The present technology relates to an image sensor, an imaging device, and a ranging device capable of performing imaging so that noise is reduced. A photoelectric conversion unit configured to perform photoelectric conversion; a charge accumulation unit configured to accumulate charges obtained by the photoelectric conversion unit; a transfer unit configured to transfer the charges from the photoelectric conversion unit to the charge accumulation unit; a reset unit configured to reset the charge accumulation unit; a reset voltage control unit configured to control a voltage to be applied to the reset unit; and an additional control unit configured to control addition of capacitance to the charge accumulation unit are included. The charge accumulation unit includes a plurality of regions. The present technology can be applied to, for example, an imaging device that captures an image and a ranging device that performs ranging.
    Type: Grant
    Filed: January 25, 2021
    Date of Patent: November 19, 2024
    Assignee: SONY SEMICONDUCTOR SOLUTIONS CORPORATION
    Inventors: Hideki Arai, Yusuke Otake, Takuro Murase, Takeshi Yamazaki, Taisuke Suwa
  • Patent number: 12117563
    Abstract: The present technology relates to a light receiving device and a distance measuring module capable of improving sensitivity. A light receiving device includes a pixel array unit in which pixels each having a first tap detecting charge photoelectrically converted by a photoelectric conversion unit and a second tap detecting charge photoelectrically converted by the photoelectric conversion unit are two-dimensionally arranged in a matrix. The first tap and the second tap each have a voltage application unit that applies a voltage, the pixel array unit has a groove portion formed by digging from a light incident surface side of a substrate to a predetermined depth, and the groove portion is arranged so as to overlap at least a part of the voltage application unit in plan view. The present technology can be applied to a distance measuring sensor or the like of the indirect ToF scheme, for example.
    Type: Grant
    Filed: March 16, 2020
    Date of Patent: October 15, 2024
    Assignee: SONY SEMICONDUCTOR SOLUTIONS CORPORATION
    Inventors: Ryota Watanabe, Takeshi Yamazaki, Sangman Han
  • Publication number: 20240212959
    Abstract: The input device includes: a plurality of capacitive buttons that are provided side by side; a capacitance detection circuit configured to detect capacitance values of a pair of sensor electrodes in the plurality of capacitive buttons; and an input determination circuit configured to, when the capacitance value detected by the capacitance detection circuit in a first button of the plurality of capacitive buttons exceeds a first threshold, accept an input operation to the first button in a case where the capacitance value detected by the capacitance detection circuit in a second button adjacent to the first button is smaller than a second threshold, and not to accept the input operation to the first button in a case where the capacitance value detected by the capacitance detection circuit in the second button is equal to or larger than the second threshold.
    Type: Application
    Filed: May 6, 2021
    Publication date: June 27, 2024
    Applicant: Mitsubishi Electric Corporation
    Inventors: Takuya INOUE, Takeshi YAMAZAKI, Tae ORITA, Takeshi ONO
  • Publication number: 20240195415
    Abstract: A capacitive button capable of improving tolerance to electrostatic discharge is provided. The capacitive button includes: a pair of sensor electrodes which are provided side by side; a floating electrode which is arranged on a front side of the pair of sensor electrodes via an insulating layer; and a ground electrode which is arranged so as to surround the floating electrode, and is grounded without being electrically connected with the pair of sensor electrodes and the floating electrode. By providing the configuration, the tolerance to the electrostatic discharge of the capacitive button can be improved.
    Type: Application
    Filed: May 6, 2021
    Publication date: June 13, 2024
    Applicant: Mitsubishi Electric Corporation
    Inventors: Takuya INOUE, Takeshi YAMAZAKI, Tae ORITA, Takeshi ONO
  • Publication number: 20240072798
    Abstract: A capacitive button capable of improving tolerance to electrostatic discharge is provided. The capacitive button includes: a pair of sensor electrodes which are provided side by side; a floating electrode which is arranged on a front side of the pair of sensor electrodes via an insulating layer; and a ground electrode which is arranged so as to surround the floating electrode, and is grounded without being electrically connected with the pair of sensor electrodes and the floating electrode. By providing the configuration, the tolerance to the electrostatic discharge of the capacitive button can be improved.
    Type: Application
    Filed: November 8, 2023
    Publication date: February 29, 2024
    Applicant: Mitsubishi Electric Corporation
    Inventors: Takuya INOUE, Takeshi YAMAZAKI, Tae ORITA, Takeshi ONO
  • Publication number: 20240068961
    Abstract: An X-ray inspection apparatus includes: a transportation unit that transports an object through an inspection area; an X-ray generation source; an X-ray detection unit; an image data generation unit that generates image data from an output of the X-ray detection unit; a good or not determination unit that performs quality inspection of the object based on the generated image data and a predetermined criterion; and a control unit that controls the inspection, wherein the control unit switches between an inspection mode and a calibration mode in which calibration data for bringing into uniformity the brightness of the image is generated. The control unit includes a calibration data generation unit that generates calibration data based on image data generated before and after a calibration member is inspected in the calibration mode, and a correction unit that corrects the image data of the object, based on the calibration data.
    Type: Application
    Filed: January 6, 2022
    Publication date: February 29, 2024
    Inventors: Takeshi YAMAZAKI, Takashi KANAI
  • Publication number: 20240010782
    Abstract: Provided are a curable composition, a cured product thereof, and an adhesive. The curable composition contains a blocked isocyanate prepolymer (A) formed from a polyol compound (a1), a polyisocyanate compound (a2), and a blocking agent (a3) as essential raw materials, an epoxy resin (B), and a curing agent (C). The blocking agent (a3) contains a phenol compound having a hydrocarbon group having 12 or more carbon atoms. The curable composition has excellent adhesive properties and resistance to humidity and heat, and can be suitably used for an adhesive and the like.
    Type: Application
    Filed: October 14, 2021
    Publication date: January 11, 2024
    Applicant: DIC Corporation
    Inventors: Ryosuke Ozawa, Hajime Suganuma, Takeshi Yamazaki
  • Publication number: 20230367050
    Abstract: A near-infrared cut filter is provided which has extremely low incident angle dependence and excellent oblique incidence characteristics. The near-infrared cut filter comprises a transparent substrate having a thickness of 0.16 to 0.26 mm and an average transmittance in a wavelength range of 800 to 1100 nm of 1% or less, and a resin layer formed at least one main surface of the transparent substrate and configured to absorb light of a specific wavelength.
    Type: Application
    Filed: July 12, 2023
    Publication date: November 16, 2023
    Applicant: HOYA CORPORATION
    Inventors: Haruna IMAI, Takeshi YAMAZAKI
  • Publication number: 20230252620
    Abstract: To improve accuracy of inspecting a quality state of an inspection object. An inspection device 1 includes: an image storage unit 21 that captures a plurality of images having different input channels for an inspection object W under an imaging condition corresponding to each input channel, and stores multiple inspection images obtained by the capturing and combining the plurality of images of the inspection object W; and a determination unit 24 that obtains a defective quality degree for the multiple inspection images stored in the image storage unit 21 based on a learned model 22 created in advance by learning using an image having a same imaging condition as the multiple inspection images, and determines a quality state of the inspection object W by comparison between the defective quality degree and a preset threshold.
    Type: Application
    Filed: January 27, 2023
    Publication date: August 10, 2023
    Inventors: Koetsu TSUNODA, Takeshi YAMAZAKI
  • Publication number: 20230252621
    Abstract: To improve accuracy of inspecting a quality state of an inspection object. An inspection device 1 includes: an image storage unit 21 that stores, as pseudo RGB images, three inspection images for an inspection object W, which have different transmission characteristics and are obtained by capturing a predetermined type of the inspection object W; and a determination unit 24 that obtains a defective quality degree for the pseudo RGB image stored in the image storage unit 21 based on a learned model 22 created in advance by learning using an image having a same format as the pseudo RGB image, and determines a quality state of the inspection object W by comparison between the defective quality degree and a preset threshold.
    Type: Application
    Filed: January 31, 2023
    Publication date: August 10, 2023
    Inventors: Koetsu TSUNODA, Takeshi YAMAZAKI
  • Patent number: 11675116
    Abstract: Provided is a near-infrared cut-off filter having excellent oblique incidence characteristics due to extremely low dependence on the angle of incidence, and a low transmittance in a wavelength region of 1000 nm or more. More particularly, the near-infrared cut-off filter includes a transparent substrate that is formed of glass containing iron atoms and has a half-value wavelength of greater than 630 nm on a long wavelength side of a transmittance curve and an average transmittance of 1% or less in a wavelength region of 1000 to 1200 nm; and a resin layer formed on at least one main surface of the transparent substrate to absorb light of a specific wavelength.
    Type: Grant
    Filed: December 2, 2020
    Date of Patent: June 13, 2023
    Assignee: HOYA CORPORATION
    Inventor: Takeshi Yamazaki
  • Patent number: 11602641
    Abstract: A light treatment system includes: a probe configured to be inserted into a bladder, the probe including an optical fiber configured to propagate light, and a light emitter that is provided at a distal end of the optical fiber, the light emitter being configured to emit the light; and a balloon catheter into which the probe is inserted, the balloon catheter being configured to be inserted into the bladder, the balloon catheter including a distal end portion that is to be dilated in the bladder, a wall configured to divide inside of the distal end portion into two regions, and a reflector configured to reflect the light emitted by the light emitter, the reflector being provided on a surface of the wall, the surface facing a region of the two regions, the region being where the light emitter is positioned.
    Type: Grant
    Filed: March 1, 2021
    Date of Patent: March 14, 2023
    Assignee: OLYMPUS CORPORATION
    Inventors: Toshiaki Suzuki, Takeshi Yamazaki, Koji Matsumoto
  • Patent number: D979367
    Type: Grant
    Filed: September 8, 2020
    Date of Patent: February 28, 2023
    Assignee: MAKITA CORPORATION
    Inventors: Wataru Suzuki, Takeshi Yamazaki, Katsumi Okouchi