Patents by Inventor Kenshi Tada

Kenshi Tada 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: 11927189
    Abstract: In a compression unit, an upper compression unit suction tube is connected to an upper suction hole of an upper cylinder, and a lower compression unit suction tube is connected to a lower suction hole of a lower cylinder. In an accumulator shell of an accumulator vessel, an accumulator suction tube, an upper gas-liquid separation tube, and a lower gas-liquid separation tube penetrate a side wall of the accumulator shell, and are fixed by welding to a first through hole, a second through hole, and a third through hole of the accumulator shell, respectively. The upper gas-liquid separation tube is connected to the upper compression unit suction tube via an upper connecting tube outside the accumulator shell. The lower gas-liquid separation tube is connected to the lower compression unit suction tube via a lower connecting tube outside the accumulator shell.
    Type: Grant
    Filed: September 29, 2021
    Date of Patent: March 12, 2024
    Assignee: FUJITSU GENERAL LIMITED
    Inventors: Kenshi Ueda, Naoya Morozumi, Naoto Tada
  • Patent number: 11740734
    Abstract: A detection device includes: a first electrode extending in a first direction along a detection face; a plurality of second electrodes extending in a second direction along the detection face, and facing the first electrode; a signal output circuit configured to output a signal to the first electrode; a detection circuit that detects capacitance generated between the first electrode and the second electrodes in accordance with the signal; and a force-sensing element configured to detect force applied to the detection face. A plurality of first electrode blocks each including a plurality of the first electrodes are arranged in the second direction. The signal output circuit is switched between a first mode of outputting the signal to the first electrode blocks at different times and a second mode of outputting the signal to some of the first electrodes and starts operation on the second mode when the force is detected.
    Type: Grant
    Filed: August 26, 2021
    Date of Patent: August 29, 2023
    Assignee: Japan Display Inc.
    Inventor: Kenshi Tada
  • Patent number: 11430250
    Abstract: According to one embodiment, a sensor includes a panel. The panel includes a cell having a detection surface and a non-detection surface, and a support substrate formed of resin and bonded to the non-detection surface of the cell. The cell includes an insulating substrate formed of resin and having a first surface and a second surface, a first protective layer facing the second surface of the insulating substrate, and a sensor electrode disposed between the insulating substrate and the first protective layer. A thickness of the support substrate is greater than a thickness of the insulating substrate, and is greater than a thickness of the first protective layer.
    Type: Grant
    Filed: December 1, 2020
    Date of Patent: August 30, 2022
    Assignee: Japan Display Inc.
    Inventor: Kenshi Tada
  • Publication number: 20210383094
    Abstract: A detection device includes: a first electrode extending in a first direction along a detection face; a plurality of second electrodes extending in a second direction along the detection face, and facing the first electrode; a signal output circuit configured to output a signal to the first electrode; a detection circuit that detects capacitance generated between the first electrode and the second electrodes in accordance with the signal; and a force-sensing element configured to detect force applied to the detection face. A plurality of first electrode blocks each including a plurality of the first electrodes are arranged in the second direction. The signal output circuit is switched between a first mode of outputting the signal to the first electrode blocks at different times and a second mode of outputting the signal to some of the first electrodes and starts operation on the second mode when the force is detected.
    Type: Application
    Filed: August 26, 2021
    Publication date: December 9, 2021
    Inventor: Kenshi TADA
  • Publication number: 20210081637
    Abstract: According to one embodiment, a sensor includes a panel. The panel includes a cell having a detection surface and a non-detection surface, and a support substrate formed of resin and bonded to the non-detection surface of the cell. The cell includes an insulating substrate formed of resin and having a first surface and a second surface, a first protective layer facing the second surface of the insulating substrate, and a sensor electrode disposed between the insulating substrate and the first protective layer. A thickness of the support substrate is greater than a thickness of the insulating substrate, and is greater than a thickness of the first protective layer.
    Type: Application
    Filed: December 1, 2020
    Publication date: March 18, 2021
    Inventor: Kenshi TADA
  • Patent number: 10606432
    Abstract: The present invention simultaneously detects a location of an electric conductor and pressure that is applied by the electric conductor. A touch panel (1) includes a plurality of sensing electrodes (2) that extend in a first direction for detecting a touch location based on an electrostatic capacitance; and pressure detecting electrodes (4) each of which extends in the first direction and is provided between adjacent two of the plurality of sensing electrodes (2). Each of the pressure detecting electrodes (4) has a width smaller than that of each of the sensing electrodes (2) and has resistance that changes in response to applied pressure.
    Type: Grant
    Filed: August 30, 2017
    Date of Patent: March 31, 2020
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Takenori Maruyama, Yasuhiro Sugita, Kazutoshi Kida, Shinji Yamagishi, Kenshi Tada, Jean Mugiraneza, Hidetsugu Kawamori
  • Patent number: 10564460
    Abstract: A liquid crystal display device includes an array board, a CF board, detection electrodes, drive electrodes, and position detection lines. The array board includes TFTs in a display area and a display circuit that includes at least monolithic circuits in a non-display area. The CF board is opposed to the array board with a gap. The detection electrodes are arranged on an outer surface of the CF board in the display area to extend along the first direction. The drive electrodes are arranged on an inner surface of the CF board in the display area to extend along the second direction. The position detection lines are arranged on the inner surface of the CF board in the non-display area for transmitting signals to the drive electrodes. The position detection lines are arranged to overlap the monolithic circuits.
    Type: Grant
    Filed: November 20, 2015
    Date of Patent: February 18, 2020
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Kenshi Tada, Hiroyuki Ogawa, Kazutoshi Kida, Shinji Yamagishi, Takenori Maruyama, Jean Mugiraneza
  • Publication number: 20190317641
    Abstract: The present invention simultaneously detects a location of an electric conductor and pressure that is applied by the electric conductor. A touch panel (1) includes a plurality of sensing electrodes (2) that extend in a first direction for detecting a touch location based on an electrostatic capacitance; and pressure detecting electrodes (4) each of which extends in the first direction and is provided between adjacent two of the plurality of sensing electrodes (2). Each of the pressure detecting electrodes (4) has a width smaller than that of each of the sensing electrodes (2) and has resistance that changes in response to applied pressure.
    Type: Application
    Filed: August 30, 2017
    Publication date: October 17, 2019
    Applicant: SHARP KABUSHIKI KAISHA
    Inventors: TAKENORI MARUYAMA, YASUHIRO SUGITA, KAZUTOSHI KIDA, SHINJI YAMAGISHI, KENSHI TADA, JEAN MUGIRANEZA, HIDETSUGU KAWAMORI
  • Patent number: 10386964
    Abstract: A crystal display device 10 includes TFTs, pixel electrodes, common electrodes, an array board, a CF board, detection electrodes, drive electrodes , a driver, a row control circuit, and a touch controller. The detection electrodes are included in the CF board. The drive electrodes are included in the CF board. The driver and the row control circuit are included in a display driver portion for supplying scan signals and data signals to the TFTs for display driving. The touch controller supplies drive signals to the drive electrodes and detects position detection signals output by the detection electrodes to perform position detection control. The touch controller supplies the drive signals to the drive electrodes to drive the drive electrodes in a scan writing period in which the scan signals are supplied to the TFTs by at least the row control circuit in the display driver portion to drive the TFTs.
    Type: Grant
    Filed: November 20, 2015
    Date of Patent: August 20, 2019
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Kazutoshi Kida, Kenshi Tada, Yasuhiro Sugita, Hiroyuki Ogawa, Takenori Maruyama
  • Publication number: 20190102038
    Abstract: A detection apparatus includes a substrate, a plurality of first electrodes provided on the substrate, and a first electrode selection circuit provided on the substrate and including a first selection circuit configured to provide a first selection signal having a phase determined for each of the plurality of first electrodes and a second selection circuit configured to provide a second selection signal having a phase determined for each of first electrode blocks including the plurality of first electrodes.
    Type: Application
    Filed: September 20, 2018
    Publication date: April 4, 2019
    Inventors: Toshinori UEHARA, Hayato KURASAWA, Takanori TSUNASHIMA, Kenshi TADA
  • Patent number: 10216306
    Abstract: A touch panel-equipped display device includes at least: a display control unit to supply a scan signal and a data signal to a display control element; and a touch position detection control unit to supply a drive signal to a drive electrode, and to detect a position detection signal from a detection electrode to detect a touch position. The display control unit supplies the data signal sequentially to a plurality of display control elements connected respectively to a plurality of pixel electrodes constituting one display pixel. The touch position detection control unit starts supplying the drive signal, in a period that is within a scan write period during which the scan signal is supplied to the display control element and is other than a period during which the data signal is supplied to the display control element corresponding to a color highest in luminosity of a plurality of colors.
    Type: Grant
    Filed: July 6, 2016
    Date of Patent: February 26, 2019
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Kazutoshi Kida, Kenshi Tada, Takenori Maruyama, Hideki Shioe, Yutaka Ishida, Takashi Saitoh, Kazuyoshi Maeda, Hideo Hosorogi, Kohji Michibayashi
  • Patent number: 10203808
    Abstract: A touch panel pattern TPP includes detection electrodes 38, driving electrodes 39, floating electrodes 45, and reference width floating electrode 48, a smallest width floating electrode 49, and an intermediate width floating electrode 50 that are included in the floating electrodes 45. The smallest width floating electrode 49 is disposed at an end-side one of the floating electrodes 45 with respect to a second direction and has a smallest width. The intermediate width floating electrode 50 is disposed closer to the end-side one than the reference width floating electrode 48 is and closer to a middle than the smallest width floating electrode 49 is and has a width FW2 smaller than that of the reference width floating electrode 48 and larger than that of the smallest width floating electrode 49.
    Type: Grant
    Filed: June 3, 2016
    Date of Patent: February 12, 2019
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Takenori Maruyama, Hiroyuki Ogawa, Kazutoshi Kida, Kenshi Tada, Shinji Yamagishi
  • Patent number: 10198126
    Abstract: A touchscreen pattern includes detection electrodes, drive electrodes, floating electrodes, and wide detection electrodes. The detection electrodes extend along a first direction and are arranged along a second direction perpendicular to the first direction. The drive electrodes extend along the second direction and are arranged along the first direction to overlap the detection electrodes in a plan view. The drive electrodes and the detection electrodes form capacitors. The floating electrodes are arranged adjacent to the detection electrodes 38, respectively, in the plan view and to overlap the drive electrodes in the plan view. The floating electrodes and the adjacent detection electrodes form capacitors. The floating electrodes and the overlapping drive electrodes form capacitors. The wide detection electrodes are arranged at the outermost with respect to the second direction. The wide detection electrodes have a width larger than a width of the detection electrodes closer to the middle.
    Type: Grant
    Filed: November 20, 2015
    Date of Patent: February 5, 2019
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Takenori Maruyama, Kazutoshi Kida, Kenshi Tada, Hiroyuki Ogawa
  • Patent number: 10126859
    Abstract: A touch panel includes: a first substrate; a second substrate disposed on a viewer side of the first substrate; a liquid crystal layer provided between the first substrate and the second substrate; a plurality of pixel electrodes and a common electrode for applying a voltage to the liquid crystal layer; and a plurality of detection electrodes and a plurality of driving electrodes for a touch sensor. The first substrate includes: a first transparent substrate; and the plurality of pixel electrodes, which are formed on the liquid crystal layer side of the first transparent substrate. The second substrate includes: a second transparent substrate; and the plurality of driving electrodes and the plurality of detection electrodes formed on the liquid crystal layer side of the second transparent substrate. The touch panel does not include a conductive layer on the viewer side of the second transparent substrate.
    Type: Grant
    Filed: February 19, 2015
    Date of Patent: November 13, 2018
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Yasuhiro Sugita, Kenshi Tada, Hiroyuki Ogawa, Shinji Yamagishi, Jean Mugiraneza, Koichi Miyachi, Hidefumi Yoshida, Mitsuhiro Murata, Kohhei Tanaka
  • Publication number: 20180321530
    Abstract: A liquid crystal display device includes an array board, a CF board, detection electrodes, drive electrodes, and position detection lines. The array board includes TFTs in a display area and a display circuit that includes at least monolithic circuits in a non-display area. The CF board is opposed to the array board with a gap. The detection electrodes are arranged on an outer surface of the CF board in the display area to extend along the first direction. The drive electrodes are arranged on an inner surface of the CF board in the display area to extend along the second direction. The position detection lines are arranged on the inner surface of the CF board in the non-display area for transmitting signals to the drive electrodes. The position detection lines are arranged to overlap the monolithic circuits.
    Type: Application
    Filed: November 20, 2015
    Publication date: November 8, 2018
    Inventors: KENSHI TADA, HIROYUKI OGAWA, KAZUTOSHI KIDA, SHINJI YAMAGISHI, TAKENORI MARUYAMA, JEAN MUGIRANEZA
  • Patent number: 10078239
    Abstract: Provided is a sensor-equipped display device (1) that includes: a first substrate (20a); a second substrate (20b) opposed to the first substrate (20a); a liquid crystal layer (LC); a plurality of first lines (15) extending in a first direction in a pixel area (AA); second lines extending in a second direction that is different from the first direction; pixel switching elements that are provided for pixels, respectively, and are connected to the first lines and the second lines; a plurality of sensor electrodes (SE, DL) provided at positions that overlap the pixel area on at least one of the first substrate and the second substrate, for detecting the contact or approach of the object; and a plurality of sensor lead-out lines that are provided in parallel to the first lines or the second lines in the pixel area on the first substrate, and are connected to the sensor electrodes, respectively.
    Type: Grant
    Filed: April 27, 2015
    Date of Patent: September 18, 2018
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Yasuhiro Sugita, Kohhei Tanaka, Takeshi Noma, Takayuki Nishiyama, Ryo Yonebayashi, Kenshi Tada, Shinji Yamagishi, Jean Mugiraneza
  • Publication number: 20180196562
    Abstract: A touch panel-equipped display device includes at least: a display control unit to supply a scan signal and a data signal to a display control element; and a touch position detection control unit to supply a drive signal to a drive electrode, and to detect a position detection signal from a detection electrode to detect a touch position. The display control unit supplies the data signal sequentially to a plurality of display control elements connected respectively to a plurality of pixel electrodes constituting one display pixel. The touch position detection control unit starts supplying the drive signal, in a period that is within a scan write period during which the scan signal is supplied to the display control element and is other than a period during which the data signal is supplied to the display control element corresponding to a color highest in luminosity of a plurality of colors.
    Type: Application
    Filed: July 6, 2016
    Publication date: July 12, 2018
    Inventors: KAZUTOSHI KIDA, KENSHI TADA, TAKENORI MARUYAMA, HIDEKI SHIOE, YUTAKA ISHIDA, TAKASHI SAITOH, KAZUYOSHI MAEDA, HIDEO HOSOROGI, KOHJI MICHIBAYASHI
  • Publication number: 20180136785
    Abstract: A touch panel pattern TPP includes detection electrodes 38, driving electrodes 39, floating electrodes 45, and reference width floating electrode 48, a smallest width floating electrode 49, and an intermediate width floating electrode 50 that are included in the floating electrodes 45. The smallest width floating electrode 49 is disposed at an end-side one of the floating electrodes 45 with respect to a second direction and has a smallest width. The intermediate width floating electrode 50 is disposed closer to the end-side one than the reference width floating electrode 48 is and closer to a middle than the smallest width floating electrode 49 is and has a width FW2 smaller than that of the reference width floating electrode 48 and larger than that of the smallest width floating electrode 49.
    Type: Application
    Filed: June 3, 2016
    Publication date: May 17, 2018
    Applicant: SHARP KABUSHIKI KAISHA
    Inventors: TAKENORI MARUYAMA, HIROYUKI OGAWA, KAZUTOSHI KIDA, KENSHI TADA, SHINJI YAMAGISHI
  • Publication number: 20180136502
    Abstract: Provided is a touch-sensor-equipped liquid crystal display device in which touch sensors have an improved response speed, with the degradation of image quality being suppressed.
    Type: Application
    Filed: March 31, 2016
    Publication date: May 17, 2018
    Applicant: Sharp Kabushiki Kaisha
    Inventors: JEAN MUGIRANEZA, HIROYUKI OGAWA, KAZUTOSHI KIDA, KENSHI TADA, SHINJI YAMAGISHI
  • Patent number: 9870111
    Abstract: A touchscreen panel according to an embodiment of the present invention includes a transparent substrate (101); a first electrically conductive layer (12) supported on the transparent substrate, the first electrically conductive layer including a plurality of sensing electrodes (12S) extending along a first direction; and a second electrically conductive layer (14) including a plurality of driving electrodes (14D) extending along a second direction intersecting the first direction, the plurality of driving electrodes being electrically insulated from the plurality of sensing electrodes. The plurality of sensing electrodes and the plurality of driving electrodes define a sensor array region (10A), the sensor array region including a plurality of sensor portions (10S) arranged in a matrix array. The first electrically conductive layer further includes a plurality of lead lines (12Dt) extending essentially in parallel to the first direction within the sensor array region.
    Type: Grant
    Filed: August 22, 2014
    Date of Patent: January 16, 2018
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Yasuhiro Sugita, Hiroyuki Ogawa, Kenshi Tada, Yuuichi Kanbayashi, Shinji Yamagishi