Patents by Inventor Koji Murata
Koji Murata 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).
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Publication number: 20230236448Abstract: Provided is a liquid crystal display device that can switch between the privacy mode and the public mode and achieve a high contrast ratio even during display in the privacy mode. The liquid crystal display panel includes: a liquid crystal panel; and a control circuit. The active matrix substrate sequentially includes a first substrate, a first electrode, a first insulating layer, and second electrodes each including a first linear electrode. The color filter substrate includes a second substrate, a black matrix, a color filter layer, a third electrode, and a fourth electrode which is disposed between the black matrix and the third electrode and to which constant voltage is applied. The third electrode includes second linear electrodes and overlaps a portion of the black matrix in a plan view. The control circuit switches between application of driving voltage and application of constant voltage to the third electrode.Type: ApplicationFiled: January 13, 2023Publication date: July 27, 2023Inventors: Koji MURATA, Hiroshi TSUCHIYA, Shinpei HIGASHIDA, Takahiro SASAKI, Takashi SATOH, Shinji SHIMADA
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Publication number: 20230227285Abstract: A sheet folding device includes a sheet conveyance path, first and second side plates, a first folding roller pair, a first folding guide, and a guide drive mechanism. The first folding guide is reciprocatable between a folding position and a retracted position, and includes a guide main body and first and second arms provided respectively at both ends of the guide main body. The guide drive mechanism includes a drive source provided on the first side plate, a first drive transmission portion that transmits a drive force of the drive source to the first arm, a second drive transmission portion that transmits the drive force to the second arm, and a drive coupling portion that couples the first drive transmission portion to the second drive transmission portion and transmits the drive force from the first drive transmission portion to the second drive transmission portion.Type: ApplicationFiled: January 12, 2023Publication date: July 20, 2023Applicant: KYOCERA Document Solutions Inc.Inventors: Tadahisa KISHIMOTO, Koji MURATA
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Patent number: 11698556Abstract: The liquid crystal display device includes a liquid crystal panel, the liquid crystal panel including sub-pixels and including an active matrix substrate and a counter substrate, the active matrix substrate including a gate line, a first electrode, and a second electrode, the counter substrate including a third electrode, each of the sub-pixels being provided with an optical opening, the third electrode including a linear electrode extending along the gate line, a distance between the linear electrode and the optical opening being less than D/4 and a width of the linear electrode being D/4 or less, wherein a distance between two optical openings adjacent in the direction perpendicular to the extending direction of the gate line is defined as D.Type: GrantFiled: April 7, 2022Date of Patent: July 11, 2023Assignee: SHARP DISPLAY TECHNOLOGY CORPORATIONInventors: Koji Murata, Kosuke Nagata, Kazutoshi Kida, Kazutaka Hanaoka, Shinji Shimada, Yasuhiro Haseba
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Publication number: 20230213798Abstract: The liquid crystal display device of the present invention includes an active matrix substrate including a first electrode, a first insulating layer, and second electrodes including a first linear electrode; a color filter substrate including a black matrix, a color filter layer, a third electrode including second linear electrodes, and a fourth electrode which is a floating electrode. The third electrode and the fourth electrode are disposed between the black matrix and the liquid crystal layer. The second linear electrodes extend in a second direction and each overlap a portion of the black matrix extending in the second direction. The fourth electrode is disposed between the second linear electrodes and overlaps the black matrix in a plan view. The control circuit switches between application of driving voltage and application of constant voltage to the third electrode.Type: ApplicationFiled: January 3, 2023Publication date: July 6, 2023Inventors: Koji MURATA, Hiroshi TSUCHIYA, Shinpei HIGASHIDA, Takahiro SASAKI, Takashi SATOH, Shinji SHIMADA
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Publication number: 20230202793Abstract: A post-processing apparatus (1) includes a first conveyance path (41), a first processing part (55), a second conveyance path (95) and a merging conveyance path (97), and the first processing part (55) includes a conveying rollers pair (80) including a first roller (81) and a second roller (83) conveying the sheet along a first direction; a first folding rollers pair (84) including the first roller (81) and a third roller (85) forming a first nip, conveying the sheet along a second direction and performing a folding processing along a first fold line; a second folding rollers pair (86) including the third roller (85) and a fourth roller (87) forming a second nip, conveying the sheet along a third direction and performing a folding processing along a second fold line; a first folding guide (89) movable to the first nip; and a second folding guide (91) movable to the second nip.Type: ApplicationFiled: May 19, 2021Publication date: June 29, 2023Applicant: KYOCERA Document Solutions Inc.Inventors: Tadahisa KISHIMOTO, Yoshiaki TASHIRO, Koji MURATA, Masahiko MIYAZAKI
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Publication number: 20230205010Abstract: Provided is a liquid crystal display element capable of switching between a transparent state and a scattering state and of reducing or preventing a decrease in luminance in the scattering state. The liquid crystal display element includes a liquid crystal panel containing a polymer-dispersed liquid crystal containing a polymer network and a liquid crystal component, and a light source module including a light source adjacent to the liquid crystal panel and a mirror configured to reflect light emitted from the light source toward the liquid crystal panel.Type: ApplicationFiled: December 27, 2022Publication date: June 29, 2023Inventors: Tomonori YOSHIDA, Yasuhiro HASEBA, Kimiaki NAKAMURA, Koji MURATA
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Publication number: 20230192437Abstract: A sheet folding device includes a sheet conveyance path, a first folding conveyance path, a first folding roller pair, a first folding guide, and a conveyance roller. The first folding roller pair is composed of a first roller and a second roller forming a first folding nip by being brought into pressure contact with an upstream side of the first roller. The first folding guide is movable between a folding position at which it approaches the first folding nip, guiding a to-be-folded part of a sheet to the first folding nip, and a retracted position at which it is away from the first folding nip. The conveyance roller forms, together with the second roller, a first assist roller pair that conveys the sheet along the sheet conveyance path. The first folding guide has a pivot fulcrum on a downstream side relative to the first folding nip in the conveyance direction.Type: ApplicationFiled: December 15, 2022Publication date: June 22, 2023Applicant: KYOCERA Document Solutions Inc.Inventors: Tadahisa KISHIMOTO, Koji MURATA
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Publication number: 20230129697Abstract: Provided are a liquid crystal panel capable of achieving a small light-shielding angle in a narrow viewing angle mode and a display device including the liquid crystal panel. The liquid crystal panel sequentially includes: a first polarizing plate with a first absorption axis; a first substrate including a first electrode; a liquid crystal layer containing liquid crystal molecules; and a second substrate including a second electrode, wherein in a plan view, a director of the liquid crystal molecules with no voltage applied and the first absorption axis form an angle ? of not smaller than 5° and not greater than 20° or not smaller than 65° and not greater than 80°.Type: ApplicationFiled: October 14, 2022Publication date: April 27, 2023Inventors: Koji MURATA, Junichi MASUDA, Shugo YAGI, Hiroshi TSUCHIYA, Takashi SATOH, Shinji SHIMADA
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Publication number: 20230101325Abstract: The liquid crystal panel of the present invention sequentially includes: a first substrate including a first electrode; a first alignment film; a liquid crystal layer containing liquid crystal molecules having a positive anisotropy of dielectric constant; a second alignment film; and a second substrate including a second electrode, the liquid crystal molecules being homogeneously aligned with no voltage applied between the first electrode and the second electrode, a polar anchoring energy 2EA and an azimuthal anchoring energy 2EB of the second alignment film being smaller than a polar anchoring energy 1EA and an azimuthal anchoring energy 1EB of the first alignment film, respectively, the polar anchoring energy 2EA of the second alignment film being not greater than the azimuthal anchoring energy 2EB of the second alignment film.Type: ApplicationFiled: August 5, 2022Publication date: March 30, 2023Inventors: Koji MURATA, Hiroshi TSUCHIYA, Takashi SATOH, Shinji SHIMADA
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Publication number: 20230088682Abstract: A terminal film for a power storage device configured to cover an outer peripheral surface of a part of a metal terminal of the power storage device composed of a power storage device main body and the metal terminal electrically connected to the power storage device main body. The terminal film contains a hydrogen sulfide developer that changes color upon reacting with hydrogen sulfide. The hydrogen sulfide developer contains at least one element selected from the group consisting of, for example, copper, lead, silver, manganese, nickel, cobalt, tin and cadmium.Type: ApplicationFiled: October 19, 2022Publication date: March 23, 2023Applicant: TOPPAN INC.Inventor: Koji MURATA
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Patent number: 11567380Abstract: Provided is a liquid crystal display device including: an active matrix substrate including a first substrate, and a first electrode and a second electrode that are stacked via a first insulating layer or that face each other on the first substrate, the second electrode being disposed for each sub-pixel; and a counter substrate sequentially including a second substrate, a third electrode including linear electrode portions, a second insulating layer, and a fourth electrode including linear electrode portions, an extending direction of the linear electrode portions of the third electrode intersecting an extending direction of the linear electrode portions of the fourth electrode in a plan view; and a control circuit being configured to switch between application of an alternating voltage and application of a constant voltage to the third electrode and/or the fourth electrode.Type: GrantFiled: November 29, 2021Date of Patent: January 31, 2023Assignee: SHARP KABUSHIKI KAISHAInventors: Koji Murata, Hidefumi Yoshida
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Publication number: 20230024383Abstract: Provided is a liquid crystal display device capable of switching between a transparent state and a scattering state, reducing or preventing a decrease in transmittance in the transparent state, and reducing or preventing a decrease in luminance in the panel central portion in the scattering state. The liquid crystal display device includes, sequentially from its viewing surface side toward its back surface side: a first liquid crystal panel; a light source; and a second liquid crystal panel, the first liquid crystal panel including a polymer dispersed liquid crystal containing a polymer network and liquid crystal components, the light source being configured to irradiate a back surface side main surface of the first liquid crystal panel with light from an oblique direction.Type: ApplicationFiled: June 29, 2022Publication date: January 26, 2023Inventors: Koji MURATA, Yasuhiro HASEBA, Kazutaka HANAOKA, Kimiaki NAKAMURA, Mariko HONDA, Atsuko KANASHIMA, Tadashi HASEGAWA, Shinji SHIMADA
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Patent number: 11560286Abstract: A sheet folding device includes a folding rollers pair, a folding blade and a sheet guide. The folding rollers pair causes a sheet to pass through a first nip area to fold the sheet. The folding blade includes a blade portion and a pair of arm portions. The blade portion is selectively disposed in a folding position where the blade portion pushes a folded portion of the sheet into the first nip area and in a retracting position where the blade portion is retracted from the folding position. The pair of arm portions couples both end portions of the blade portion with the pivot shaft. The sheet guide can be passed between the pair of arm portions. Between the blade portion and the sheet guide, a retreating path in which a part of the sheet is retreated when the folded portion is pushed into the first nip area.Type: GrantFiled: September 16, 2021Date of Patent: January 24, 2023Assignee: KYOCERA Document Solutions Inc.Inventors: Koji Murata, Tadahisa Kishimoto
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Patent number: 11550177Abstract: Provided is a liquid crystal display device including: a liquid crystal panel; and a control circuit. The liquid crystal panel sequentially includes an active matrix substrate, a first alignment film, a liquid crystal layer containing liquid crystal molecules having a negative anisotropy of dielectric constant, a second alignment film aligning the liquid crystal molecules at an angle of 10° or greater and 30° or smaller, and a counter substrate. The active matrix substrate includes a first substrate, and a first electrode and a second electrode that are stacked via a first insulating layer or that face each other on the first substrate. The counter substrate sequentially includes a second substrate, a third electrode, a second insulating layer, and a fourth electrode. The control circuit is configured to switch between application of alternating voltage and application of constant voltage to the third and/or fourth electrode according to a display mode.Type: GrantFiled: November 10, 2021Date of Patent: January 10, 2023Assignee: SHARP KABUSHIKI KAISHAInventors: Koji Murata, Hidefumi Yoshida
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Publication number: 20230004031Abstract: The display device includes a liquid crystal panel including a polymer dispersed liquid crystal (PDLC) layer and a light source, the PDLC layer containing a polymer network and liquid crystal components dispersed in the polymer network, the light source being apart from the liquid crystal panel with an air layer, and configured to emit light toward the liquid crystal panel from an oblique direction, the end portion and the central portion of the PDLC layer each having, in the scattering state, an angle dependence which changes a transmittance of light to be emitted from a front surface based on an angle at which light is incident on a back surface of the PDLC layer, with the angle dependence of the end portion being different from the angle dependence of the central portion, the light source irradiating the end portion and the central portion with light at different angles.Type: ApplicationFiled: June 7, 2022Publication date: January 5, 2023Inventors: Koji MURATA, Kazutaka HANAOKA, Kimiaki NAKAMURA, Atsuko KANASHIMA, Mariko HONDA, Shinji SHIMADA
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Publication number: 20220399570Abstract: A packaging material for solid-state batteries according to one aspect of the present disclosure contains sulfide-based solid electrolytes, including at least a substrate layer, a barrier layer, and a sealant layer in this order, in which at least one of the layers constituting the packaging material contains a color developer that changes color when reacting with hydrogen sulfide.Type: ApplicationFiled: August 19, 2022Publication date: December 15, 2022Applicant: TOPPAN INC.Inventor: Koji MURATA
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Patent number: 11506945Abstract: A liquid crystal display device includes: a liquid crystal panel including an active matrix substrate, a liquid crystal layer, and a color filter substrate in a stated order, the active matrix substrate including a first substrate, and a first electrode and second electrodes stacked with an insulating layer in between, the second electrodes arranged in the respective sub-pixels, the color filter substrate including a second substrate, a color filter, and a third electrode, either the first electrode or the second electrodes arranged with electrical connection over the sub-pixels, each of the sub-pixels provided with an optical opening, the third electrode not superimposed with at least a portion of each of the optical openings in a plan view and arranged with electrical connection, a control circuit configured to switch between application of alternating voltage and application of constant voltage to the third electrode.Type: GrantFiled: October 22, 2020Date of Patent: November 22, 2022Assignee: SHARP KABUSHIKI KAISHAInventors: Koji Murata, Hidefumi Yoshida
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Patent number: 11508327Abstract: Provided is a liquid crystal display device including: a liquid crystal panel including display units for displaying an image using a veil-view function; and a control circuit. The display units each include a pair of sub-pixels including a first sub-pixel and a second sub-pixel. The liquid crystal panel sequentially includes an active matrix substrate, a first alignment film, a liquid crystal layer containing liquid crystal molecules, a second alignment film, and a counter substrate. The active matrix substrate includes first and second electrodes that are stacked via a first insulating layer or that face each other on the first substrate. At least one of the first or second electrode is disposed for each first sub-pixel and for each second sub-pixel. The counter substrate includes a third electrode. The control circuit is configured to switch between application of alternating voltage and application of constant voltage to the third electrode.Type: GrantFiled: November 18, 2021Date of Patent: November 22, 2022Assignee: SHARP KABUSHIKI KAISHAInventors: Koji Murata, Hidefumi Yoshida
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Publication number: 20220334438Abstract: The liquid crystal display device includes a liquid crystal panel, the liquid crystal panel including sub-pixels and including an active matrix substrate and a counter substrate, the active matrix substrate including a gate line, a first electrode, and a second electrode, the counter substrate including a third electrode, each of the sub-pixels being provided with an optical opening, the third electrode including a linear electrode extending along the gate line, a distance between the linear electrode and the optical opening being less than D/4 and a width of the linear electrode being D/4 or less, wherein a distance between two optical openings adjacent in the direction perpendicular to the extending direction of the gate line is defined as D.Type: ApplicationFiled: April 7, 2022Publication date: October 20, 2022Inventors: Koji Murata, Kosuke Nagata, Kazutoshi Kida, Kazutaka Hanaoka, Shinji Shimada, Yasuhiro Haseba
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Publication number: 20220328911Abstract: A packaging material for a power storage device and a power storage device using the same, a method of producing a packaging material for a power storage device, and a method of selecting a sealant film used as a sealant layer in the packaging material for a power storage device are provided.Type: ApplicationFiled: June 20, 2022Publication date: October 13, 2022Applicant: TOPPAN INC.Inventors: Junya IMAMOTO, Koji MURATA