Patents by Inventor Kazunori Watanabe

Kazunori Watanabe 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: 11905037
    Abstract: An aerial vehicle takeoff and landing system, an aerial vehicle takeoff and landing apparatus, and an aerial vehicle capable of reducing the influence of the ground effect and capable of taking off and landing smoothly even in a comparatively small and limited space. A pair of rails are arranged side by side with a gap therebetween, and are arranged with a space in an extension direction on at least an under side and one end side. An aerial vehicle has a suspension portion provided at an upper portion thereof so as to be inserted between the rails from the one end side. With the suspension portion is inserted between the rails, the aerial vehicle can be suspended at a predetermined landing position of the rails, and the aerial vehicle suspended at the landing position can take off.
    Type: Grant
    Filed: July 31, 2020
    Date of Patent: February 20, 2024
    Assignees: TOHOKU UNIVERSITY, NPO INTERNATIONAL RESCUE SYSTEM INSTITUTE
    Inventors: Kenjiro Tadakuma, Satoshi Tadokoro, Kazunori Ohno, Yoshito Okada, Masahiro Watanabe, Daiki Fujikura, Toshi Takamori
  • Publication number: 20240055941
    Abstract: A geared motor includes a synchronous reluctance motor whose maximum rotational speed is 20000 rpm to 45000 rpm and in which rare earth bonded magnets are embedded in a rotor, and a speed reducer which reduces the rotational speed of the synchronous reluctance motor to a rotational speed in a usage range while increasing torque to a predetermined range. When a radius of the rotor is represented by R (cm) and a length of the rotor in an axial direction is represented by L (cm), the rotor has a size which satisfies conditions of 2 cm?R?6 cm and 2 cm?L?25 cm.
    Type: Application
    Filed: December 6, 2021
    Publication date: February 15, 2024
    Applicant: AICHI STEEL CORPORATION
    Inventors: Aki WATARAI, Hiroaki HIRANO, Masahiro KAYANO, Tadashi FUJIMAKI, Choongsik KIM, Hayato WATANABE, Kazunori ITO, Kazuya ISHIDA
  • Publication number: 20240046857
    Abstract: The power consumption of a display device is reduced. The power consumption of a driver circuit in a display device is reduced. A pixel included in the display device includes a display element. The pixel is configured to have a function of retaining a first voltage corresponding to a first input pulse signal and a function of driving the display element with a third voltage obtained by addition of a second voltage corresponding to a second input pulse signal to the first voltage.
    Type: Application
    Filed: October 17, 2023
    Publication date: February 8, 2024
    Inventors: Shunpei YAMAZAKI, Kei TAKAHASHI, Susumu KAWASHIMA, Koji KUSUNOKI, Kazunori WATANABE
  • Publication number: 20240049543
    Abstract: A high-resolution display device with reduced display unevenness is provided. In the display device, a plurality of pixels are included over a substrate; each of the plurality of pixels includes a transistor and a light-emitting element; the light-emitting element includes a first electrode, an EL layer over the first electrode, and a second electrode over the EL layer; the first electrode is electrically connected to the transistor; in the plurality of pixels, the first electrodes in adjacent pixels are separated by an insulating layer; the second electrode includes a conductive material having light-transmitting property with respect to visible light; the second electrode of each of the plurality of pixels is shared; and light is emitted from the second electrode side. A wiring is included; in a plane view with respect to the substrate, the wiring is placed in a region where the EL layer is not placed; and the second electrode is placed over and in contact with the wiring.
    Type: Application
    Filed: December 14, 2021
    Publication date: February 8, 2024
    Inventors: Koji KUSUNOKI, Kazunori WATANABE, Satoshi YOSHIMOTO, Tomoaki ATSUMI, Daisuke KUBOTA, Naoto KUSUMOTO
  • Publication number: 20240045499
    Abstract: An information processing apparatus, during the operation of a vehicle, when there is a fellow passenger in the vehicle and a predetermined condition determined according to the load of the driving operation of a driver of the vehicle is not met, displays POI (Point of Interest) information on an in-vehicle display of the vehicle.
    Type: Application
    Filed: August 1, 2023
    Publication date: February 8, 2024
    Inventors: Kazunori WATANABE, Daisuke TANIZAKI
  • Publication number: 20240028680
    Abstract: A semiconductor device including a biometric recognition function and a touch sensor or near touch sensor function is provided. The semiconductor device includes a light-emitting device and an imaging device. The imaging device includes a gate driver circuit and m rows of pixels (m is an integer more than or equal to 2). The gate driver circuit includes a plurality of first register circuits and second register circuits whose number is less than that of the first register circuits. The first register circuits are connected with each other in series and the second register circuits are connected with each other in series. The gate driver circuit has a function of operating in the first mode and the second mode. In the first mode, the first register circuits are in the on state and the second register circuits are in the off state, and in the second mode, the second register circuits are in the on state and the first register circuits are in the off state.
    Type: Application
    Filed: August 24, 2023
    Publication date: January 25, 2024
    Inventors: Satoshi YOSHIMOTO, Susumu KAWASHIMA, Koji KUSUNOKI, Kazunori WATANABE
  • Publication number: 20240024912
    Abstract: A coating device comprises a die with a slit that is longer in a width direction and discharges a coating liquid to form a coating film on a substrate, a first flow path that supplies the coating liquid toward the die, a first manifold that is linked to the first flow path and holds the coating liquid that flows in from the first flow path, a plurality of second flow paths that are linked to the first manifold, a second manifold that is linked to the second flow paths and the slit, is longer in the width direction, and holds the coating liquid that flows in from the second flow paths, and an adjustment unit that is provided along at least one of the second flow paths and adjusts a flow of the coating liquid flowing through the at least one of the second flow paths.
    Type: Application
    Filed: August 18, 2021
    Publication date: January 25, 2024
    Inventors: Kazunori MAEDA, Kenji KITAJIMA, Atsushi WATANABE, Masashi MOTOI
  • Publication number: 20240021150
    Abstract: A novel display is provided. A display having a small change in chromaticity of a micro light-emitting diode in proportion to current density is provided. A display capable of reducing power consumption in the driver circuit when displaying a still image is provided. The display includes a plurality of pixels each including a display element and a microcontroller. The microcontroller includes a first transistor, a triangular wave generator circuit, a comparator, a switch, and a constant current circuit. The first transistor has a function of retaining a potential corresponding to data written to the pixel by being switched off. The triangular wave generator circuit has a function of generating a triangular wave signal. The comparator has a function of generating an output signal corresponding to the potential and the triangular wave signal.
    Type: Application
    Filed: September 26, 2023
    Publication date: January 18, 2024
    Inventors: Kei TAKAHASHI, Koji KUSUNOKI, Kazunori WATANABE, Susumu KAWASHIMA, Kouhei TOYOTAKA, Shunpei YAMAZAKI
  • Patent number: 11869417
    Abstract: The power consumption of a display device is reduced. The power consumption of a driver circuit in a display device is reduced. A pixel included in the display device includes a display element. The pixel is configured to have a function of retaining a first voltage corresponding to a first input pulse signal and a function of driving the display element with a third voltage obtained by addition of a second voltage corresponding to a second input pulse signal to the first voltage.
    Type: Grant
    Filed: October 28, 2022
    Date of Patent: January 9, 2024
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Shunpei Yamazaki, Kei Takahashi, Susumu Kawashima, Koji Kusunoki, Kazunori Watanabe
  • Patent number: 11869428
    Abstract: A display apparatus capable of image capturing with high sensitivity is provided. The display apparatus is configured to include first to third switches, a first transistor, a second transistor, and a light-emitting/receiving element. The first switch is electrically connected to a gate of the first transistor. The second switch is positioned between one of a source and a drain of the first transistor and one electrode of the light-emitting/receiving element. The third switch is positioned between the one electrode of the light-emitting/receiving element and a gate of the second transistor. The other of the source and the drain of the first transistor is supplied with a first potential. The other electrode of the light-emitting/receiving element is supplied with a second potential. The light-emitting/receiving element has a function of emitting light of a first color and a function of receiving light of a second color.
    Type: Grant
    Filed: December 10, 2020
    Date of Patent: January 9, 2024
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Susumu Kawashima, Koji Kusunoki, Kazunori Watanabe
  • Publication number: 20230418096
    Abstract: A supporting body is provided that is able to select a form of support to a display unit in accordance with a user's purpose or preference, an installation environment, or the like. The supporting body supports a display unit including a display section, a first mounting section, and a second mounting section to cause the display unit to stand on a placement surface in a first direction. The display section has a display surface that spreads in each of the first direction and a second direction, and the first mounting section and the second mounting section are disposed side by side in the first direction. The supporting body includes a first supporting unit that is formed detachably on the first mounting section, and a second supporting unit that is formed detachably on the second mounting section.
    Type: Application
    Filed: September 29, 2021
    Publication date: December 28, 2023
    Applicant: Sony Group Corporation
    Inventors: Kazunori Kawaguchi, Atsushi Tokumi, Masayasu Watanabe, Toshiaki Takahashi, Hiroaki Yokota, Takahiro Naito
  • Publication number: 20230412935
    Abstract: A semiconductor device capable of performing authentication in a short time can be provided. The semiconductor device includes a light-emitting unit and an imaging unit. The imaging unit includes a row driver circuit, and the row driver circuit includes first to m latch circuits (m is an integer greater than or equal to 2) and first to m register circuits. A first start pulse signal is input to a first latch circuit and second start pulse signals are input to first to m latch circuits. Scan signals output from the first to (m?1)-th register circuits are input to the second to m-th latch circuits, respectively. The first latch circuit has a function of outputting one of the first start pulse signal and the second start pulse signal to the first register circuit on the basis of data held, and the second to m-th latch circuits have a function of outputting one of the scan signal and the second start pulse signal to the second to m-th register circuits on the basis of data held.
    Type: Application
    Filed: October 26, 2021
    Publication date: December 21, 2023
    Inventors: Kazunori WATANABE, Satoshi YOSHIMOTO, Koji KUSUNOKI, Susumu KAWASHIMA, Motoharu SAITO
  • Patent number: 11842705
    Abstract: A display apparatus with low-power consumption is provided. The display apparatus includes an inverter circuit and a pixel having a function of adding data, and the inverter circuit has a function of inverting data supplied from a source driver. The inverter circuit has a function of inverting data supplied from a source driver. The pixel has a function of adding data supplied from the source driver and the inverter circuit. Accordingly, the pixel can generate a voltage several times higher than the output voltage of the source driver and can supply the voltage to a display device. With such a structure, the output voltage of the source driver can be lowered, so that a display apparatus with low power consumption can be achieved.
    Type: Grant
    Filed: June 21, 2022
    Date of Patent: December 12, 2023
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Susumu Kawashima, Koji Kusunoki, Kazunori Watanabe, Naoto Kusumoto
  • Publication number: 20230395036
    Abstract: A display apparatus with low power consumption is provided. The display apparatus includes a circuit for boosting a signal voltage output from a gate driver. The signal voltage from the gate driver can be boosted and then supplied to a pixel, which is suitable for driving a display device with a high threshold voltage. Furthermore, by utilizing a boosting function, output of the gate driver can be reduced, and power consumption can also be reduced. By combination with a pixel having a boosting function of image data, a display apparatus with lower power consumption can be achieved.
    Type: Application
    Filed: August 18, 2023
    Publication date: December 7, 2023
    Inventors: Kazunori WATANABE, Koji KUSUNOKI
  • Publication number: 20230395022
    Abstract: One embodiment of the present invention relates to a common semiconductor apparatus for driving two different circuits. The semiconductor apparatus is capable of switching a plurality of signal potentials and sequentially outputting the plurality of signal potentials to the outside. The semiconductor apparatus can make one of two different circuits arranged in a matrix operate in all the rows and can make the other circuit operate in all the rows or only in a specific row. For example, in the case where the semiconductor apparatus is applied to a row driver that drives pixels of a display device in which sensor elements are incorporated, the operation of display elements in pixels in all the rows and the operation of sensor elements in pixels in all the rows or in the specific row can be switched.
    Type: Application
    Filed: October 18, 2021
    Publication date: December 7, 2023
    Inventors: Satoshi YOSHIMOTO, Koji KUSUNOKI, Kazunori WATANABE, Susumu KAWASHIMA
  • Patent number: 11837607
    Abstract: A display device includes a liquid crystal element, a transistor, a scan line, and a signal line. The liquid crystal element includes a pixel electrode, a liquid crystal layer, and a common electrode. The scan line and the signal line are each electrically connected to the transistor. The scan line and the signal line each include a metal layer. The transistor is electrically connected to the pixel electrode. A semiconductor layer of the transistor includes a stack of a first metal oxide layer and a second metal oxide layer. The first metal oxide layer includes a region with lower crystallinity than the second metal oxide layer. The transistor includes a first region connected to the pixel electrode. The pixel electrode, the common electrode, and the first region are each configured to transmit visible light. Visible light passes through the first region and the liquid crystal element and exits from the display device.
    Type: Grant
    Filed: September 14, 2022
    Date of Patent: December 5, 2023
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Shunpei Yamazaki, Kenichi Okazaki, Daisuke Kurosaki, Yasutaka Nakazawa, Kazunori Watanabe, Koji Kusunoki
  • Publication number: 20230376076
    Abstract: To increase the detection sensitivity of a touch panel, provide a thin touch panel, provide a foldable touch panel, or provide a lightweight touch panel. A display element and a capacitor forming a touch sensor are provided between a pair of substrates. Preferably, a pair of conductive layers forming the capacitor each have an opening. The opening and the display element are provided to overlap each other. A light-blocking layer is provided between a substrate on the display surface side and the pair of conductive layers forming the capacitor.
    Type: Application
    Filed: April 19, 2023
    Publication date: November 23, 2023
    Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.
    Inventors: Koji KUSUNOKI, Hiroyuki MIYAKE, Kazunori WATANABE
  • Patent number: 11825220
    Abstract: An imaging device including a miniaturized pixel is provided. A pixel is provided with a photoelectric conversion element, a first transistor, a second transistor, and a capacitor. One electrode of the photoelectric conversion element is electrically connected to one of a source and a drain of the first transistor. The other of the source and the drain of the first transistor is electrically connected to a gate of the second transistor. The gate of the second transistor is electrically connected to one electrode of the capacitor. In a first period, a first potential is supplied to the other electrode of the capacitor and the first transistor is set in an on state so that imaging data corresponding to illuminance of light delivered to the photoelectric conversion element is written to the pixel. Furthermore, in a second period, a second potential is supplied to the other electrode of the capacitor so that the imaging data is read from the pixel.
    Type: Grant
    Filed: July 24, 2019
    Date of Patent: November 21, 2023
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Kazunori Watanabe, Susumu Kawashima
  • Patent number: 11823614
    Abstract: A novel display device where a light-emitting element is turned on by a triangle wave is provided. One embodiment of the present invention is a method for driving a display device including a first pixel, a second pixel, a first wiring, a second wiring, and a third wiring. The first wiring is electrically connected to the first pixel and the second pixel. The second wiring and the third wiring are electrically connected to the first pixel and the second pixel, respectively. At a first time, the first pixel reaches the maximum luminance corresponding to first display data and the second pixel reaches the maximum luminance corresponding to second display data. The first pixel and the second pixel are initialized at a second time different from the first time by input of a reset signal to the first wiring to stop light emission.
    Type: Grant
    Filed: May 9, 2019
    Date of Patent: November 21, 2023
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Kazunori Watanabe, Kei Takahashi, Koji Kusunoki, Takahiro Fukutome
  • Publication number: 20230370041
    Abstract: An acoustic wave device is provided that includes a support substrate, a piezoelectric layer on the support substrate, a first electrode and a second electrode on the piezoelectric layer in a lamination direction of the support substrate and the piezoelectric layer, the first and the second electrodes are opposed in a first direction that intersects with the lamination direction; and a space that defines either a cavity in a portion of the support substrate or an air gap between the support substrate and the piezoelectric layer. A portion of each of the first and the second electrodes overlaps the space in a plan view in the lamination direction. A first roughness of a major surface of the support substrate, opposite from the piezoelectric layer, is greater than a second roughness of a major surface of the piezoelectric layer on which the first and second electrodes are located.
    Type: Application
    Filed: July 25, 2023
    Publication date: November 16, 2023
    Inventors: Kazunori INOUE, Yuta ISHII, Munehisa WATANABE, Ventsislav YANTCHEV, Patrick TURNER, Bryant GARCIA