Patents by Inventor Shuji Kawaguchi

Shuji Kawaguchi 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: 20240121999
    Abstract: A multilayer body for an image display device includes a wiring substrate including a substrate having transparency, and a mesh wiring layer disposed on the substrate; and a dielectric layer stacked on the wiring substrate. The dielectric layer and the substrate have a total thickness of 50 ?m or more and 500 ?m or less.
    Type: Application
    Filed: April 4, 2022
    Publication date: April 11, 2024
    Applicant: DAI NIPPON PRINTING CO., LTD.
    Inventors: Keita IIMURA, Shuji KAWAGUCHI, Kazuki KINOSHITA, Hidetoshi IIOKA, Seiji TAKE
  • Publication number: 20230375833
    Abstract: A head mounted display includes a frame and a transparent display device mounted to the frame. The display device includes a first base substrate, a wiring board provided on the first base substrate, and a display unit provided between the first base substrate and the wiring board. The wiring board includes a substrate that has transparency, and a wiring pattern area that is arranged on the substrate and includes pieces of wiring.
    Type: Application
    Filed: October 8, 2021
    Publication date: November 23, 2023
    Applicant: DAI NIPPON PRINTING CO., LTD.
    Inventor: Shuji KAWAGUCHI
  • Publication number: 20230318203
    Abstract: A wiring board includes a substrate, a wiring pattern area arranged on the substrate and including pieces of wiring, and a plurality of dummy pattern areas arranged around the wiring pattern area and electrically independent of the wiring. An aperture ratio of a first dummy pattern area, which is located next to the wiring pattern area, is not lower than an aperture ratio of the wiring pattern area. In addition, an aperture ratio of a second dummy pattern area, which is located next to the first dummy pattern area and farther from the wiring pattern area than the first dummy pattern area is, is higher than the aperture ratio of the first dummy pattern area.
    Type: Application
    Filed: October 4, 2021
    Publication date: October 5, 2023
    Applicant: DAI NIPPON PRINTING CO., LTD.
    Inventors: Kazuki KINOSHITA, Keita IIMURA, Seiji TAKE, Shuji KAWAGUCHI, Masashi SAKAKI
  • Publication number: 20230253708
    Abstract: A wiring board (10) includes a substrate (11) and a mesh wiring layer (20) disposed on the substrate (11) and including a plurality of wiring lines (21, 22). The substrate (11) has a transmittance of 85% or more for light with a wavelength of 380 nm or more and 750 nm or less. Each of the wiring lines (21, 22) includes a metal layer (27) and a blackened layer (28) disposed on the metal layer (27). The blackened layer (28) has a thickness (T2) of 5 nm or more and 100 nm or less.
    Type: Application
    Filed: April 9, 2021
    Publication date: August 10, 2023
    Applicant: Dai Nippon Printing Co., Ltd.
    Inventors: Seiji TAKE, Shuji KAWAGUCHI, Chiaki HATSUTA
  • Publication number: 20230062683
    Abstract: A wiring board (10) includes a substrate (11) and a mesh wiring layer (20) disposed on the substrate (11) and including a plurality of wiring lines (21, 22). The substrate (11) has a transmittance of 85% or more for light with a wavelength of 400 nm or more and 700 nm or less. The wiring lines (21, 22) have a surface roughness Ra, and the surface roughness Ra is 100 nm or less.
    Type: Application
    Filed: April 28, 2021
    Publication date: March 2, 2023
    Applicant: Dai Nippon Printing Co., Ltd.
    Inventors: Seiji TAKE, Shuji KAWAGUCHI, Chiaki HATSUTA
  • Patent number: 11333802
    Abstract: A lens sheet and lens sheet unit include an imaging module and an imaging device which can be made thinner. A first lens sheet has light transmission parts having a unit lens shape, and light absorption parts disposed alternatively with the light transmission parts. A lens sheet unit, on the image sensor side of the first lens sheet, includes a second lens sheet. The second lens sheet has light transmission parts having a unit lens shape, and light absorption parts disposed alternatively with the light transmission parts. When viewed from the optical axis direction, the direction in which the light transmission parts are arranged and the direction in which the light transmission parts are arranged intersect at an angle. An imaging module and a camera are included with the above lens sheet and lens sheet unit.
    Type: Grant
    Filed: September 5, 2016
    Date of Patent: May 17, 2022
    Assignee: DAI NIPPON PRINTING CO., LTD.
    Inventors: Kazuki Bando, Tianyi Sun, Fumihiro Arakawa, Shuji Kawaguchi
  • Patent number: 11333675
    Abstract: A sample analyzer comprises a container setting part on which a liquid container is to be set, a liquid supplying part configured to supply a liquid to the liquid container, an aspiration tube configured to aspirate a sample or a reagent, a movement mechanism configured to move the aspiration tube, a liquid surface sensor configured to detect contact of the aspiration tube with a liquid surface, and a controller configured to execute an aspiration tube adjustment operation. The aspiration tube adjustment operation comprises supplying the liquid to the liquid container by the liquid supplying part, lowering the aspiration tube by the movement mechanism toward the liquid container set on the container setting part, and obtaining information regarding a position in a height direction of the aspiration tube at a time when the aspiration tube has come into contact with the liquid surface.
    Type: Grant
    Filed: May 13, 2019
    Date of Patent: May 17, 2022
    Assignee: SYSMEX CORPORATION
    Inventors: Miyuki Yamada, Shuji Kawaguchi, Hiroshi Kurono
  • Patent number: 10797643
    Abstract: An oscillation circuit has a charge-discharge type oscillation unit that performs an oscillation operation at an oscillating frequency that is in accordance with a control current value, and a control current generation unit that generates the control current. The control current generation unit includes a reference voltage generation circuit that generates a reference voltage that has a first temperature characteristic, a temperature characteristic slope correction circuit that corrects a slope of a temperature characteristic of a reference voltage in accordance with first correction information and generates an output voltage that has a second temperature characteristic, and a voltage-current conversion circuit that converts the output voltage of the temperature characteristic slope correction circuit into the control voltage, and that corrects the control current value in accordance with second correction information.
    Type: Grant
    Filed: December 26, 2018
    Date of Patent: October 6, 2020
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Toshikazu Kuwano, Takahiro Kikuchi, Sachiyuki Abe, Shuji Kawaguchi
  • Patent number: 10714243
    Abstract: Provided is a variable resistance circuit in which the resistance value of the variable resistance circuit can be accurately adjusted, by reducing the error in the change amount of the resistance value of the variable resistance circuit due to the on-resistances of switch circuits even if the switch circuits that each bypass a resistor included in a ladder resistor circuit are switched between an OFF state and an ON state. This variable resistance circuit includes: a ladder resistor circuit including a plurality of resistors; a first switch circuit connected in series to one end of one resistor of the plurality of resistors; and a second switch circuit connected in parallel to a series circuit of the one resistor and the first switch circuit. When one of the first and second switch circuits is turned on, the other of the first and second switch circuits is turned off.
    Type: Grant
    Filed: February 25, 2019
    Date of Patent: July 14, 2020
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Takahiro Kikuchi, Toshikazu Kuwano, Sachiyuki Abe, Shuji Kawaguchi
  • Publication number: 20190367983
    Abstract: The present invention provides an HLA gene amplification primer set containing a primer consisting of each base sequence shown in SEQ ID NO: 1-16. It also provides a highly efficient and highly uniform sequencing method using the primer set.
    Type: Application
    Filed: February 9, 2018
    Publication date: December 5, 2019
    Inventors: Fumihiko Matsuda, Shuji Kawaguchi, Masakazu Shimizu, Koichiro Higasa
  • Publication number: 20190267972
    Abstract: Provided is a variable resistance circuit in which the resistance value of the variable resistance circuit can be accurately adjusted, by reducing the error in the change amount of the resistance value of the variable resistance circuit due to the on-resistances of switch circuits even if the switch circuits that each bypass a resistor included in a ladder resistor circuit are switched between an OFF state and an ON state. This variable resistance circuit includes: a ladder resistor circuit including a plurality of resistors; a first switch circuit connected in series to one end of one resistor of the plurality of resistors; and a second switch circuit connected in parallel to a series circuit of the one resistor and the first switch circuit. When one of the first and second switch circuits is turned on, the other of the first and second switch circuits is turned off.
    Type: Application
    Filed: February 25, 2019
    Publication date: August 29, 2019
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Takahiro KIKUCHI, Toshikazu KUWANO, Sachiyuki ABE, Shuji KAWAGUCHI
  • Publication number: 20190265265
    Abstract: A sample analyzer comprises a container setting part on which a liquid container is to be set, a liquid supplying part configured to supply a liquid to the liquid container, an aspiration tube configured to aspirate a sample or a reagent, a movement mechanism configured to move the aspiration tube, a liquid surface sensor configured to detect contact of the aspiration tube with a liquid surface, and a controller configured to execute an aspiration tube adjustment operation. The aspiration tube adjustment operation comprises supplying the liquid to the liquid container by the liquid supplying part, lowering the aspiration tube by the movement mechanism toward the liquid container set on the container setting part, and obtaining information regarding a position in a height direction of the aspiration tube at a time when the aspiration tube has come into contact with the liquid surface.
    Type: Application
    Filed: May 13, 2019
    Publication date: August 29, 2019
    Inventors: Miyuki YAMADA, Shuji KAWAGUCHI, Hiroshi KURONO
  • Publication number: 20190199287
    Abstract: An oscillation circuit has a charge-discharge type oscillation unit that performs an oscillation operation at an oscillating frequency that is in accordance with a control current value, and a control current generation unit that generates the control current. The control current generation unit includes a reference voltage generation circuit that generates a reference voltage that has a first temperature characteristic, a temperature characteristic slope correction circuit that corrects a slope of a temperature characteristic of a reference voltage in accordance with first correction information and generates an output voltage that has a second temperature characteristic, and a voltage-current conversion circuit that converts the output voltage of the temperature characteristic slope correction circuit into the control voltage, and that corrects the control current value in accordance with second correction information.
    Type: Application
    Filed: December 26, 2018
    Publication date: June 27, 2019
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Toshikazu KUWANO, Takahiro KIKUCHI, Sachiyuki ABE, Shuji KAWAGUCHI
  • Publication number: 20180313982
    Abstract: A lens sheet and lens sheet unit include an imaging module and an imaging device which can be made thinner. A first lens sheet has light transmission parts having a unit lens shape, and light absorption parts disposed alternatively with the light transmission parts. A lens sheet unit, on the image sensor side of the first lens sheet, includes a second lens sheet. The second lens sheet has light transmission parts having a unit lens shape, and light absorption parts disposed alternatively with the light transmission parts. When viewed from the optical axis direction, the direction in which the light transmission parts are arranged and the direction in which the light transmission parts are arranged intersect at an angle. An imaging module and a camera are included with the above lens sheet and lens sheet unit.
    Type: Application
    Filed: September 5, 2016
    Publication date: November 1, 2018
    Applicant: DAI NIPPON PRINTING CO., LTD.
    Inventors: Kazuki BANDO, Tianyi SUN, Fumihiro ARAKAWA, Shuji KAWAGUCHI
  • Publication number: 20170176485
    Abstract: A sample analyzer comprises a container setting part on which a liquid container is to be set, a liquid supplying part configured to supply a liquid to the liquid container, an aspiration tube configured to aspirate a sample or a reagent, a movement mechanism configured to move the aspiration tube, a liquid surface sensor configured to detect contact of the aspiration tube with a liquid surface, and a controller configured to execute an aspiration tube adjustment operation. The aspiration tube adjustment operation comprises supplying the liquid to the liquid container by the liquid supplying part, lowering the aspiration tube by the movement mechanism toward the liquid container set on the container setting part, and obtaining information regarding a position in a height direction of the aspiration tube at a time when the aspiration tube has come into contact with the liquid surface.
    Type: Application
    Filed: March 9, 2017
    Publication date: June 22, 2017
    Inventors: Miyuki YAMADA, Shuji KAWAGUCHI, Hiroshi KURONO
  • Patent number: 9625482
    Abstract: A sample analyzer comprises a container setting part on which a liquid container is to be set, a liquid supplying part configured to supply a liquid to the liquid container, an aspiration tube configured to aspirate a sample or a reagent, a movement mechanism configured to move the aspiration tube, a liquid surface sensor configured to detect contact of the aspiration tube with a liquid surface, and a controller configured to execute an aspiration tube adjustment operation. The aspiration tube adjustment operation comprises supplying the liquid to the liquid container by the liquid supplying part, lowering the aspiration tube by the movement mechanism toward the liquid container set on the container setting part, and obtaining information regarding a position in a height direction of the aspiration tube at a time when the aspiration tube has come into contact with the liquid surface.
    Type: Grant
    Filed: December 19, 2013
    Date of Patent: April 18, 2017
    Assignee: SYSMEX CORPORATION
    Inventors: Miyuki Yamada, Shuji Kawaguchi, Hiroshi Kurono
  • Publication number: 20140178251
    Abstract: A sample analyzer comprises a container setting part on which a liquid container is to be set, a liquid supplying part configured to supply a liquid to the liquid container, an aspiration tube configured to aspirate a sample or a reagent, a movement mechanism configured to move the aspiration tube, a liquid surface sensor configured to detect contact of the aspiration tube with a liquid surface, and a controller configured to execute an aspiration tube adjustment operation. The aspiration tube adjustment operation comprises supplying the liquid to the liquid container by the liquid supplying part, lowering the aspiration tube by the movement mechanism toward the liquid container set on the container setting part, and obtaining information regarding a position in a height direction of the aspiration tube at a time when the aspiration tube has come into contact with the liquid surface.
    Type: Application
    Filed: December 19, 2013
    Publication date: June 26, 2014
    Applicant: Sysmex Corporation
    Inventors: Miyuki YAMADA, Shuji KAWAGUCHI, Hiroshi KURONO
  • Patent number: 7986541
    Abstract: An integrated circuit device has a display memory which stores data for at least one frame displayed in a display panel which has a plurality of scan lines and a plurality of data lines, the display memory includes a plurality of RAM blocks, each of the RAM blocks including a plurality of wordlines, a plurality of bitlines, a plurality of memory cells, and a wordline control circuit, each of the RAM blocks is disposed along a first direction in which the bitlines extend, each of the memory cells has a short side and a long side, the bitlines are formed along a direction in which the long side of the memory cell extends, and the wordlines are formed along a direction in which the short side of the memory cell extends.
    Type: Grant
    Filed: November 10, 2005
    Date of Patent: July 26, 2011
    Assignee: Seiko Epson Corporation
    Inventors: Satoru Kodaira, Noboru Itomi, Shuji Kawaguchi, Takashi Kumagai, Junichi Karasawa, Satoru Ito
  • Patent number: 7859928
    Abstract: An integrated circuit device having a display memory which stores data for at least one frame from among image information displayed in a display panel which has a plurality of scan lines and a plurality of data lines, the display memory including a plurality of wordlines, a plurality of bitlines, a plurality of memory cells, and a wordline control circuit; and the wordline control circuit selecting an identical wordline N times (N is an integer larger than one) from among the wordlines in one horizontal scan period of the display panel.
    Type: Grant
    Filed: December 2, 2008
    Date of Patent: December 28, 2010
    Assignee: Seiko Epson Corporation
    Inventors: Satoru Kodaira, Noboru Itomi, Shuji Kawaguchi, Takashi Kumagai, Junichi Karasawa, Satoru Ito
  • Patent number: 7782694
    Abstract: An integrated circuit device includes a display memory and a data read control circuit. The data read control circuit controls data reading so that data of pixels corresponding to a plurality of signal lines is read out by N-time reading in one horizontal scan period of a display panel (N is an integer larger than 1). The display memory includes a plurality of sense amplifier cells respectively connected with a plurality of bitlines. L sense amplifier cells (L is an integer larger than 1) respectively connected with the bitlines of L memory cells adjacent in a first direction (wordline direction) in which wordlines extend are disposed along a second direction (bitline direction) in which the bitlines extend.
    Type: Grant
    Filed: June 30, 2006
    Date of Patent: August 24, 2010
    Assignee: Seiko Epson Corporation
    Inventors: Satoru Kodaira, Noboru Itomi, Shuji Kawaguchi, Takashi Kumagai, Junichi Karasawa, Satoru Ito, Masahiko Moriguchi, Kazuhiro Maekawa