Patents by Inventor Yusuke Katagiri

Yusuke Katagiri 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: 11340484
    Abstract: A display device includes: a first display panel; a first flexible substrate on which a first driver IC outputting a driving signal to the first display panel is mounted; a second flexible substrate being apart from the first flexible substrate, at least a part of the second flexible substrate overlapping the first flexible substrate; and an insulating material disposed between the first flexible substrate and the second flexible substrate. The first flexible substrate is connected to the first display panel so that the first driver IC is on a side of the second flexible substrate. The insulating material is disposed between the first driver IC and the second flexible substrate.
    Type: Grant
    Filed: July 7, 2020
    Date of Patent: May 24, 2022
    Assignees: PANASONIC LIQUID CRYSTAL DISPLAY CO., LTD., PASONA KNOWLEDGE PARTNER INC.
    Inventors: Yusuke Katagiri, Masaki Tsubokura
  • Patent number: 11189549
    Abstract: A semiconductor device that is a surface mount-type device includes a nitride semiconductor chip including a silicon substrate having a first thermal expansion coefficient and an InxGayAl1-x-yN layer in contact with a surface of the silicon substrate, where 0?x?1, 0?y?1, 0?x+y?1; and a die pad including Cu and having a second thermal expansion coefficient that is greater than the first thermal expansion coefficient. A thickness of the nitride semiconductor chip is at least 0.2 mm, length L of the nitride semiconductor chip is at least 3.12 mm, and thickness tm of the die pad and length L of the nitride semiconductor chip satisfy tm?2.00×10?3×L2+0.173, tm being a thickness in mm and L being a length in mm.
    Type: Grant
    Filed: March 25, 2019
    Date of Patent: November 30, 2021
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Hidekazu Nakamura, Manabu Yanagihara, Tomohiko Nakamura, Yusuke Katagiri, Katsumi Otani, Takeshi Kawabata
  • Publication number: 20210183747
    Abstract: A semiconductor device that is a surface mount-type device includes a nitride semiconductor chip including a silicon substrate having a first thermal expansion coefficient and an InxGayAl1-x-yN layer in contact with a surface of the silicon substrate, where 0?x?1, 0?y?1, 0?x+y ?1; and a die pad including Cu and having a second thermal expansion coefficient that is greater than the first thermal expansion coefficient. A thickness of the nitride semiconductor chip is at least 0.2 mm, length L of the nitride semiconductor chip is at least 3.12 mm, and thickness tm of the die pad and length L of the nitride semiconductor chip satisfy tm ?2.00×10?3×L2+0.173, tm being a thickness in mm and L being a length in mm.
    Type: Application
    Filed: March 2, 2021
    Publication date: June 17, 2021
    Inventors: Hidekazu NAKAMURA, Manabu YANAGIHARA, Tomohiko NAKAMURA, Yusuke KATAGIRI, Katsumi OTANI, Takeshi KAWABATA
  • Patent number: 11036086
    Abstract: A display device includes: a display panel; a driver IC that outputs a driving signal to the display panel; a flexible substrate on which the driver IC is mounted; a first frame that supports the display panel from a side of a light source; and a second frame that supports the light source while being provided independently of the first frame. The first frame includes a metallic frame unit which is opposite to the driver IC from the side of the light source.
    Type: Grant
    Filed: August 28, 2019
    Date of Patent: June 15, 2021
    Assignees: Panasonic Liquid Crystal Display Co., Ltd., Pasona Knowledge Partner Inc.
    Inventors: Yusuke Katagiri, Masaki Tsubokura
  • Publication number: 20200333654
    Abstract: A display device includes: a first display panel; a first flexible substrate on which a first driver IC outputting a driving signal to the first display panel is mounted; a second flexible substrate being apart from the first flexible substrate, at least a part of the second flexible substrate overlapping the first flexible substrate; and an insulating material disposed between the first flexible substrate and the second flexible substrate. The first flexible substrate is connected to the first display panel so that the first driver IC is on a side of the second flexible substrate. The insulating material is disposed between the first driver IC and the second flexible substrate.
    Type: Application
    Filed: July 7, 2020
    Publication date: October 22, 2020
    Inventors: Yusuke KATAGIRI, Masaki TSUBOKURA
  • Patent number: 10739627
    Abstract: A display device includes: a first display panel; a first flexible substrate on which a first driver IC outputting a driving signal to the first display panel is mounted; a second flexible substrate being apart from the first flexible substrate, at least a part of the second flexible substrate overlapping the first flexible substrate; and an insulating material disposed between the first flexible substrate and the second flexible substrate. The first flexible substrate is connected to the first display panel so that the first driver IC is on a side of the second flexible substrate. The insulating material is disposed between the first driver IC and the second flexible substrate.
    Type: Grant
    Filed: March 21, 2018
    Date of Patent: August 11, 2020
    Assignees: PANASONIC LIQUID CRYSTAL DISPLAY CO., LTD., PASONA KNOWLEDGE PARTNER INC.
    Inventors: Yusuke Katagiri, Masaki Tsubokura
  • Patent number: 10718966
    Abstract: A liquid crystal display device comprises: a first display panel including a first liquid crystal cell and a pair of first polarizing plates sandwiching the first liquid crystal cell; a second display panel including a second liquid crystal cell and a pair of second polarizing plates sandwiching the second liquid crystal cell; and a bonding member bonding one of the pair of first polarizing plates of the first display panel and one of the pair of second polarizing plates of the second display panel together. An end of the bonding member is located inside an end of the first polarizing plate and an end of the second polarizing plate.
    Type: Grant
    Filed: July 31, 2018
    Date of Patent: July 21, 2020
    Assignees: PANASONIC LIQUID CRYSTAL DISPLAY CO., LTD., PASONA KNOWLEDGE PARTNER INC.
    Inventors: Takao Imaoku, Kazuhiko Tsuda, Ikuko Imajo, Yusuke Katagiri
  • Publication number: 20190384116
    Abstract: A display device includes: a display panel; a driver IC that outputs a driving signal to the display panel; a flexible substrate on which the driver IC is mounted; a first frame that supports the display panel from a side of a light source; and a second frame that supports the light source while being provided independently of the first frame. The first frame includes a metallic frame unit which is opposite to the driver IC from the side of the light source.
    Type: Application
    Filed: August 28, 2019
    Publication date: December 19, 2019
    Inventors: Yusuke KATAGIRI, Masaki TSUBOKURA
  • Patent number: 10437102
    Abstract: A display device includes: a display panel; a driver IC that outputs a driving signal to the display panel; a flexible substrate on which the driver IC is mounted; a first frame that supports the display panel from a side of a light source; and a second frame that supports the light source while being provided independently of the first frame. The first frame includes a metallic frame unit which is opposite to the driver IC from the side of the light source.
    Type: Grant
    Filed: July 12, 2017
    Date of Patent: October 8, 2019
    Assignee: Panasonic Liquid Crystal Display Co., Ltd.
    Inventors: Yusuke Katagiri, Masaki Tsubokura
  • Patent number: 10401681
    Abstract: A heat sink that is configured to be disposed between a rear frame and a rear cover of an electronic display device. The heat sink includes a base plate, a mount plate spaced apart from the base plate, and a plurality of fins. The base plate is configured to be coupled to the rear frame. The mount plate is configured to be coupled to the rear cover. An electronic display device includes a rear frame, a rear cover, and the heat sink. The base plate of the heat sink is coupled to the rear frame and the mount plate of the heat sink is coupled to the rear cover.
    Type: Grant
    Filed: November 27, 2018
    Date of Patent: September 3, 2019
    Assignee: PANASONIC LIQUID CRYSTAL DISPLAY CO., LTD.
    Inventor: Yusuke Katagiri
  • Publication number: 20190221503
    Abstract: A semiconductor device that is a surface mount-type device includes a nitride semiconductor chip including a silicon substrate having a first thermal expansion coefficient and an InxGayAl1-x-yN layer in contact with a surface of the silicon substrate, where 0?x?1, 0?y?1, 0?x+y?1; and a die pad including Cu and having a second thermal expansion coefficient that is greater than the first thermal expansion coefficient. A thickness of the nitride semiconductor chip is at least 0.2 mm, length L of the nitride semiconductor chip is at least 3.12 mm, and thickness tm of the die pad and length L of the nitride semiconductor chip satisfy tm?2.00×10?3×L2+0.173, tm being a thickness in mm and L being a length in mm.
    Type: Application
    Filed: March 25, 2019
    Publication date: July 18, 2019
    Inventors: Hidekazu NAKAMURA, Manabu YANAGIHARA, Tomohiko NAKAMURA, Yusuke KATAGIRI, Katsumi OTANI, Takeshi KAWABATA
  • Patent number: 10290827
    Abstract: A display device, in which a plurality of display panels overlap each other and an image is displayed on each of the display panels, comprises a first frame supporting the plurality of display panels. The first frame includes a frame-shaped frame unit on which the plurality of display panels are placed, and a plurality of spacers attached to the frame unit. The plurality of spacers include at least one reference spacer fixed to the frame unit and at least one position adjustment spacer adjustably attached to the frame unit. An outer peripheral end of each of the plurality of display panels is fixed while pushed against the reference spacer and the position adjustment spacer.
    Type: Grant
    Filed: July 12, 2017
    Date of Patent: May 14, 2019
    Assignee: PANASONIC LIQUID CRYSTAL DISPLAY CO., LTD.
    Inventors: Yusuke Katagiri, Masaki Tsubokura
  • Publication number: 20190041684
    Abstract: A liquid crystal display device comprises: a first display panel including a first liquid crystal cell and a pair of first polarizing plates sandwiching the first liquid crystal cell; a second display panel including a second liquid crystal cell and a pair of second polarizing plates sandwiching the second liquid crystal cell; and a bonding member bonding one of the pair of first polarizing plates of the first display panel and one of the pair of second polarizing plates of the second display panel together. An end of the bonding member is located inside an end of the first polarizing plate and an end of the second polarizing plate.
    Type: Application
    Filed: July 31, 2018
    Publication date: February 7, 2019
    Inventors: Takao IMAOKU, Kazuhiko TSUDA, Ikuko IMAJO, Yusuke KATAGIRI
  • Publication number: 20180275445
    Abstract: A display device includes: a first display panel; a first flexible substrate on which a first driver IC outputting a driving signal to the first display panel is mounted; a second flexible substrate being apart from the first flexible substrate, at least a part of the second flexible substrate overlapping the first flexible substrate; and an insulating material disposed between the first flexible substrate and the second flexible substrate. The first flexible substrate is connected to the first display panel so that the first driver IC is on a side of the second flexible substrate. The insulating material is disposed between the first driver IC and the second flexible substrate.
    Type: Application
    Filed: March 21, 2018
    Publication date: September 27, 2018
    Inventors: Yusuke KATAGIRI, Masaki TSUBOKURA
  • Patent number: 9895985
    Abstract: A charging inlet lid structure of a vehicle includes a normal charging inlet and a quick charging inlet in a recess portion for charging, and a first lid and a second lid for the recess portion. One of the normal charging inlet and the quick charging inlet is provided at one side of the recess portion and the other of the normal charging inlet and the quick charging inlet is provided at the other side of the recess portion. The first lid and the second lid are provided so as to slide from totally closed positions where the first lid and the second lid totally close the recess portion in directions in which the first lid and the second lid move away from each other and can be opened and closed independently of each other.
    Type: Grant
    Filed: November 18, 2015
    Date of Patent: February 20, 2018
    Assignees: MITSUBISHI JIDOSHA KOGYO KABUSHIKI KAISHA, MITSUBISHI JIDOSHA ENGINEERING KABUSHIKI KAISHA
    Inventors: Akira Takahashi, Yusuke Katagiri
  • Publication number: 20180017825
    Abstract: A display device includes: a display panel; a driver IC that outputs a driving signal to the display panel; a flexible substrate on which the driver IC is mounted; a first frame that supports the display panel from a side of a light source; and a second frame that supports the light source while being provided independently of the first frame. The first frame includes a metallic frame unit which is opposite to the driver IC from the side of the light source.
    Type: Application
    Filed: July 12, 2017
    Publication date: January 18, 2018
    Inventors: Yusuke KATAGIRI, Masaki TSUBOKURA
  • Publication number: 20180019435
    Abstract: A display device, in which a plurality of display panels overlap each other and an image is displayed on each of the display panels, comprises a first frame supporting the plurality of display panels. The first frame includes a frame-shaped frame unit on which the plurality of display panels are placed, and a plurality of spacers attached to the frame unit. The plurality of spacers include at least one reference spacer fixed to the frame unit and at least one position adjustment spacer adjustably attached to the frame unit. An outer peripheral end of each of the plurality of display panels is fixed while pushed against the reference spacer and the position adjustment spacer.
    Type: Application
    Filed: July 12, 2017
    Publication date: January 18, 2018
    Inventors: Yusuke KATAGIRI, Masaki TSUBOKURA
  • Patent number: 9625775
    Abstract: A display device includes: a TFT substrate including: a display region including a plurality of pixels; a plurality of source drivers arranged and aligned in a first direction along the display region; and a plurality of gate drivers arranged and aligned in a second direction along the display region; a printed board including a timing controller for controlling the plurality of source drivers and the plurality of gate drivers; and a plurality of flexible boards for connecting the TFT substrate and the printed board to each other, in which the plurality of flexible boards include a plurality of first flexible boards that extend obliquely to one side with respect to the second direction, and a plurality of second flexible boards that extend obliquely to another side with respect to the second direction.
    Type: Grant
    Filed: November 18, 2013
    Date of Patent: April 18, 2017
    Assignee: Panasonic Liquid Crystal Display Co., Ltd
    Inventors: Yusuke Katagiri, Masaki Tsubokura
  • Patent number: 9497143
    Abstract: A method and a system for providing a messenger on-air service using an official account include providing an interface for creating and managing an event using an official account, and creating an event chat room in which a plurality of users sharing a relationship with an event creator participate based on a request of the event creator through the interface.
    Type: Grant
    Filed: April 2, 2013
    Date of Patent: November 15, 2016
    Assignee: LINE CORPORATION
    Inventors: Hyuk Chung, Ryuichi Kumai, Donghyun Kim, Minbo Bae, Youngsu Ko, Yusuke Katagiri, Teppei Daito, Yusuke Ota
  • Publication number: 20160178952
    Abstract: A display device includes: a TFT substrate including: a display region including a plurality of pixels; a plurality of source drivers arranged and aligned in a first direction along the display region; and a plurality of gate drivers arranged and aligned in a second direction along the display region; a printed board including a timing controller for controlling the plurality of source drivers and the plurality of gate drivers; and a plurality of flexible boards for connecting the TFT substrate and the printed board to each other, in which the plurality of flexible boards include a plurality of first flexible boards that extend obliquely to one side with respect to the second direction, and a plurality of second flexible boards that extend obliquely to another side with respect to the second direction.
    Type: Application
    Filed: November 18, 2013
    Publication date: June 23, 2016
    Applicant: PANASONIC LIQUID CRYSTAL DISPLAY CO., LTD,
    Inventors: Yusuke KATAGIRI, Masaki TSUBOKURA