Patents by Inventor Masafumi Hirata

Masafumi Hirata 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).

  • Publication number: 20240167577
    Abstract: A controller capable of improving the disappearance resistance of a synthetic resin coating of a diaphragm, and a vaporization supply device comprising the controller. The controller includes a body having an inflow passage and an outflow passage, a valve seat provided between the inflow passage and the outflow passage, a diaphragm capable of being seated on or separated from the valve seat, and an actuator for causing the diaphragm to be seated on and separated from the valve seat. The material of the valve seat is nickel-based, and the diaphragm is provided with a synthetic resin coating on a surface of a side to be brought into contact with the valve seat.
    Type: Application
    Filed: March 8, 2022
    Publication date: May 23, 2024
    Applicant: FUJIKIN INCORPORATED
    Inventors: Atsushi HIDAKA, Kazuteru TANAKA, Takatoshi NAKATANI, Kazuyuki MORISAKI, Masafumi KITANO, Kaoru HIRATA, Masaaki NAGASE, Kouji NISHINO, Nobukazu IKEDA
  • Patent number: 11976748
    Abstract: A diaphragm valve includes a body (3) having a flow path (2), a seat (4) formed in the flow path (2), a metal diaphragm (5) for opening and closing the flow path (2), a pair of clamping parts (6) and (7) for claiming peripheral edge portions of the metal diaphragm (5) to fix the metal diaphragm (5) to the body (3), and an actuator (8) for abutting the metal diaphragm (5) to the seat (4) or separating the metal diaphragm from the seat (4), wherein a fluorine resin coating is formed on a seat side surface (5a) of the metal diaphragm (5) at least in a contact region (B-A) with the seat (4) in a region (C) surrounded by a clamping region (D-C) between the seat side surface (5a) and one of the pair of clamping portions (6, 7), excluding the clamping region (D-C).
    Type: Grant
    Filed: June 12, 2020
    Date of Patent: May 7, 2024
    Assignee: FUJIKIN INCORPORATED
    Inventors: Kaoru Hirata, Masaaki Nagase, Atsushi Hidaka, Kazuyuki Morisaki, Keisuke Ideguchi, Kosuke Sugimoto, Masafumi Kitano, Kouji Nishino, Nobukazu Ikeda
  • Patent number: 11302719
    Abstract: A thin film transistor substrate includes: a plurality of gate signal lines extending in a first direction; a plurality of gate lead-out lines and a plurality of dummy gate lead-out lines extending in a second direction; a plurality of common lines extending in at least one of the first direction and the second direction in the pixel region; and a common electrode provided opposite to a pixel electrode and electrically connected to the plurality of common lines. The plurality of gate lead-out lines are connected to the gate signal lines at least at one point of a plurality of intersections between the plurality of gate signal lines and the plurality of gate lead-out lines, and the common potential is applied to the plurality of dummy gate lead-out lines.
    Type: Grant
    Filed: November 25, 2019
    Date of Patent: April 12, 2022
    Assignee: PANASONIC LIQUID CRYSTAL DISPLAY CO., LTD.
    Inventors: Yugo Takeda, Masafumi Hirata, Hiroaki Iwato
  • Patent number: 10989972
    Abstract: A liquid crystal display device includes: common electrodes that are opposed to pixel electrodes respectively; a detection circuit that detects a waveform of a common potential at the plurality of common electrodes; and a determination circuit that determines abnormality of the liquid crystal display device based on the waveform detected by the detection circuit. A plurality of pixels are divided into a plurality of segments, the common electrodes are provided corresponding to the plurality of segments, and the detection circuit detects the waveform of the common potential at each of the common electrodes when a predetermined data signal is input to at least one of data signal lines whiled a predetermined gate signal is input to at least one of gate signal lines.
    Type: Grant
    Filed: March 25, 2019
    Date of Patent: April 27, 2021
    Assignee: PANASONIC LIQUID CRYSTAL DISPLAY CO., LTD.
    Inventors: Masafumi Hirata, Masashi Kuno
  • Patent number: 10845650
    Abstract: A curved surface display comprises: a first substrate that is curved such that a portion located at a center in a first direction is convex or concave toward a display surface side compared with portions located at both ends in the first direction; a second substrate that is curved along the first substrate while disposed opposite the first substrate; and a sealing material that bonds the first substrate and the second substrate together. The sealing material includes a first sealing section extending in a second direction and a second sealing section extending in the first direction. A width of the first sealing section is larger than a width of the second sealing section.
    Type: Grant
    Filed: August 7, 2018
    Date of Patent: November 24, 2020
    Assignee: Panasonic Liquid Crystal Display Co., Ltd.
    Inventors: Yoshiki Nakano, Akira Isikawa, Masafumi Hirata, Tsutomu Abe, Naotoshi Sumiya, Takeshi Aramaki, Masashi Kuno
  • Patent number: 10782581
    Abstract: A display device including a curved display surface. The display device comprises a first substrate bent in a first direction, a second substrate that is bent in the first direction, spacers disposed between the first substrate and the second substrate; and bases holding the spacers. The first substrate includes data lines and gate lines, the bases includes: a central base disposed on around a center in the first direction of the display surface; an end base disposed on around an end in the first direction of the display surface; and intermediate bases disposed between the central base and the end base in the first direction, and a width in the first direction of one of intermediate bases is larger than a width in the first direction of the central base.
    Type: Grant
    Filed: September 25, 2018
    Date of Patent: September 22, 2020
    Assignee: Panasonic Liquid Crystal Display Co., Ltd.
    Inventors: Masafumi Hirata, Hiroaki Goto
  • Publication number: 20200176481
    Abstract: A thin film transistor substrate includes: a plurality of gate signal lines extending in a first direction; a plurality of gate lead-out lines and a plurality of dummy gate lead-out lines extending in a second direction; a plurality of common lines extending in at least one of the first direction and the second direction in the pixel region; and a common electrode provided opposite to a pixel electrode and electrically connected to the plurality of common lines. The plurality of gate lead-out lines are connected to the gate signal lines at least at one point of a plurality of intersections between the plurality of gate signal lines and the plurality of gate lead-out lines, and the common potential is applied to the plurality of dummy gate lead-out lines.
    Type: Application
    Filed: November 25, 2019
    Publication date: June 4, 2020
    Inventors: Yugo TAKEDA, Masafumi HIRATA, Hiroaki IWATO
  • Patent number: 10643514
    Abstract: A display device comprises: inspection transistors electrically connected to signal lines respectively; an inspection wiring through which an inspection signal is supplied to the inspection transistors; and an abnormality determination unit that determines whether the display panel is abnormal. The signal line is electrically connected to a gate electrode of the inspection transistor, and the abnormality determination unit determines whether the display panel is abnormal based on a voltage level of the inspection signal outputted from a source electrode of the inspection transistor.
    Type: Grant
    Filed: August 8, 2018
    Date of Patent: May 5, 2020
    Assignee: Panasonic Liquid Crystal Display Co., Ltd.
    Inventors: Hiroaki Goto, Masafumi Hirata
  • Publication number: 20190371221
    Abstract: A display device comprising: source lines; gate lines; selection transistors in each of which a first conduction electrode is electrically connected to each of the gate lines; selection signal supply lines each electrically connected to the control electrode of at least two of the selection transistors; gate voltage supply lines each connected to the second conduction electrode of at least two of the selection transistors; a gate driver electrically connected to the selection signal supply lines and the gate voltage supply lines; failure detection transistors in each of which a control electrode is electrically connected to each of the gate lines; monitor input signal lines each electrically connected the first conduction electrode of at least two of the failure detection transistors; and monitor output signal lines each electrically connected to the second conduction electrode of at least two of the failure detection transistors.
    Type: Application
    Filed: August 16, 2019
    Publication date: December 5, 2019
    Inventors: Hiroaki GOTO, Masafumi HIRATA, Nagatoshi KURAHASHI, Yoshihisa OOISHI
  • Patent number: 10473983
    Abstract: A display panel has a variant external shape. The display panel includes a first substrate, a second substrate disposed opposite to the first substrate, liquid crystal sealed between the first substrate and the second substrate, a seal made of a photosetting material, the seal being provided outside a display region, the seal being used to seal the liquid crystal by bonding the first substrate and the second substrate together, and a metallic pattern provided in the first substrate or the second substrate, including a plurality of slits through which light with which the seal is irradiated passes. The plurality of slits are formed along the external shape of the display panel in at least a portion corresponding to a variant portion of the display panel.
    Type: Grant
    Filed: November 20, 2017
    Date of Patent: November 12, 2019
    Assignee: Panasonic Liquid Crystal Display Co., Ltd.
    Inventors: Masafumi Hirata, Nagatoshi Kurahashi
  • Publication number: 20190302558
    Abstract: A liquid crystal display device includes: common electrodes that are opposed to pixel electrodes respectively; a detection circuit that detects a waveform of a common potential at the plurality of common electrodes; and a determination circuit that determines abnormality of the liquid crystal display device based on the waveform detected by the detection circuit. A plurality of pixels are divided into a plurality of segments, the common electrodes are provided corresponding to the plurality of segments, and the detection circuit detects the waveform of the common potential at each of the common electrodes when a predetermined data signal is input to at least one of data signal lines whiled a predetermined gate signal is input to at least one of gate signal lines.
    Type: Application
    Filed: March 25, 2019
    Publication date: October 3, 2019
    Inventors: Masafumi HIRATA, Masashi KUNO
  • Patent number: 10416490
    Abstract: A curved display comprises a first substrate 100 and a second substrate 200 that are disposed opposite to each other and both curved along the first direction. The first substrate includes data lines 11 and gate lines 12. The second substrate includes light transmission parts 202 and a light shielding part 203. The light shielding part includes first light shielding portions 203b extending in the first direction and second light shielding portions 203a extending in a second direction. The second light shielding portions include a central light shielding portion a5, a first end light shielding portion al disposed on one end side in the first direction, and a middle light shielding portion disposed therebetween. A width in the first direction of the middle light shielding portion is greater than or equal to that of the central light shielding portion and the first end light shielding portion.
    Type: Grant
    Filed: July 31, 2018
    Date of Patent: September 17, 2019
    Assignee: Panasonic Liquid Crystal Display Co., Ltd.
    Inventors: Masafumi Hirata, Hiroaki Goto, Takeshi Aramaki, Masashi Kuno
  • Patent number: 10223950
    Abstract: Provided is a display panel, including: a display region having an anomaly shape; a plurality of first test transistors; a plurality of second test transistors; and test control signal supply wiring through which a control signal for turning on or off the first and second test transistors is to be supplied, in which first test transistors connected to gate lines crossing an anomaly part of the anomaly shape and second test transistors connected to data lines crossing the anomaly part are arranged in other patterns than a straight line, and in which the test control signal supply wiring includes first test control signal supply wiring, which is connected to control electrodes of the plurality of first test transistors, and second test control signal supply wiring, which is branched out from the first test control signal supply wiring and is connected to control electrodes of the plurality of second test transistors.
    Type: Grant
    Filed: May 18, 2016
    Date of Patent: March 5, 2019
    Assignee: Panasonic Liquid Crystal Display Co., Ltd.
    Inventor: Masafumi Hirata
  • Publication number: 20190025623
    Abstract: A display device including a curved display surface. The display device comprises a first substrate bent in a first direction, a second substrate that is bent in the first direction, spacers disposed between the first substrate and the second substrate; and bases holding the spacers. The first substrate includes data lines and gate lines, the bases includes: a central base disposed on around a center in the first direction of the display surface; an end base disposed on around an end in the first direction of the display surface; and intermediate bases disposed between the central base and the end base in the first direction, and a width in the first direction of one of intermediate bases is larger than a width in the first direction of the central base.
    Type: Application
    Filed: September 25, 2018
    Publication date: January 24, 2019
    Inventors: Masafumi HIRATA, Hiroaki GOTO
  • Publication number: 20180350285
    Abstract: A display device comprises: inspection transistors electrically connected to signal lines respectively; an inspection wiring through which an inspection signal is supplied to the inspection transistors; and an abnormality determination unit that determines whether the display panel is abnormal. The signal line is electrically connected to a gate electrode of the inspection transistor, and the abnormality determination unit determines whether the display panel is abnormal based on a voltage level of the inspection signal outputted from a source electrode of the inspection transistor.
    Type: Application
    Filed: August 8, 2018
    Publication date: December 6, 2018
    Inventors: Hiroaki GOTO, Masafumi HIRATA
  • Publication number: 20180348557
    Abstract: A curved surface display comprises: a first substrate that is curved such that a portion located at a center in a first direction is convex or concave toward a display surface side compared with portions located at both ends in the first direction; a second substrate that is curved along the first substrate while disposed opposite the first substrate; and a sealing material that bonds the first substrate and the second substrate together. The sealing material includes a first sealing section extending in a second direction and a second sealing section extending in the first direction. A width of the first sealing section is larger than a width of the second sealing section.
    Type: Application
    Filed: August 7, 2018
    Publication date: December 6, 2018
    Inventors: Yoshiki NAKANO, Akira ISIKAWA, Masafumi HIRATA, Tsutomu ABE, Naotoshi SUMIYA, Takeshi ARAMAKI, Masashi KUNO
  • Publication number: 20180335663
    Abstract: A curved display comprises a first substrate 100 and a second substrate 200 that are disposed opposite to each other and both curved along the first direction. The first substrate includes data lines 11 and gate lines 12. The second substrate includes light transmission parts 202 and a light shielding part 203. The light shielding part includes first light shielding portions 203b extending in the first direction and second light shielding portions 203a extending in a second direction. The second light shielding portions include a central light shielding portion a5, a first end light shielding portion al disposed on one end side in the first direction, and a middle light shielding portion disposed therebetween. A width in the first direction of the middle light shielding portion is greater than or equal to that of the central light shielding portion and the first end light shielding portion.
    Type: Application
    Filed: July 31, 2018
    Publication date: November 22, 2018
    Inventors: Masafumi HIRATA, Hiroaki GOTO, Takeshi ARAMAKI, Masashi KUNO
  • Patent number: 10128276
    Abstract: A display panel includes selection transistors connected to ends of gate lines, first inspection transistors connected to data lines, second inspection transistors provided in each group, a first conductive electrode of each of second inspection transistors being connected to the control electrode of each of the selection transistors, inspection selection signal supply wirings connected to a second conductive electrode of each of second inspection transistors, each of inspection selection signal supply wirings supplying a control signal for turning on or off the second inspection transistor; and an inspection control signal supply wiring connected to a control electrode of each of first inspection transistors and a control electrode of each of the second inspection transistors, the inspection control signal supply wiring supplying a control signal for turning on or off the first and second inspection transistors. The selection transistors and the second inspection transistors are arranged in a display region.
    Type: Grant
    Filed: November 21, 2017
    Date of Patent: November 13, 2018
    Assignee: Panasonic Liquid Crystal Display Co., Ltd.
    Inventors: Nobuyuki Seto, Nagatoshi Kurahashi, Daisuke Kanemoto, Masafumi Hirata, Norimichi Shirai
  • Patent number: 10061153
    Abstract: A curved display comprises a first substrate 100 and a second substrate 200 that are disposed opposite to each other and both curved along the first direction. The first substrate includes data lines 11 and gate lines 12. The second substrate includes light transmission parts 202 and a light shielding part 203. The light shielding part includes first light shielding portions 203b extending in the first direction and second light shielding portions 203a extending in a second direction. The second light shielding portions include a central light shielding portion a5, a first end light shielding portion a1 disposed on one end side in the first direction, and a middle light shielding portion disposed therebetween. A width in the first direction of the middle light shielding portion is greater than or equal to that of the central light shielding portion and the first end light shielding portion.
    Type: Grant
    Filed: March 6, 2017
    Date of Patent: August 28, 2018
    Assignee: Panasonic Liquid Crystal Display Co., Ltd.
    Inventors: Masafumi Hirata, Hiroaki Goto, Takeshi Aramaki, Masashi Kuno
  • Publication number: 20180122828
    Abstract: A display panel includes selection transistors connected to ends of gate lines, first inspection transistors connected to data lines, second inspection transistors provided in each group, a first conductive electrode of each of second inspection transistors being connected to the control electrode of each of the selection transistors, inspection selection signal supply wirings connected to a second conductive electrode of each of second inspection transistors, each of inspection selection signal supply wirings supplying a control signal for turning on or off the second inspection transistor; and an inspection control signal supply wiring connected to a control electrode of each of first inspection transistors and a control electrode of each of the second inspection transistors, the inspection control signal supply wiring supplying a control signal for turning on or off the first and second inspection transistors. The selection transistors and the second inspection transistors are arranged in a display region.
    Type: Application
    Filed: November 21, 2017
    Publication date: May 3, 2018
    Inventors: Nobuyuki Seto, Nagatoshi Kurahashi, Daisuke Kanemoto, Masafumi Hirata, Norimichi Shirai