Patents by Inventor Shigeru Yamaki

Shigeru Yamaki 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: 20250076544
    Abstract: Various embodiments provide a microlens array laminate, an optical device, and a LiDAR sensor unit that do not rely on a spot bonding method. In one embodiment, a microlens array laminate is formed by bonding a plurality of microlens arrays, each microlens array being obtained by spreading a microlens in a planar shape. An adhesive sheet is disposed between the bonded microlens arrays that are in surface bonding with the adhesive sheet interposed therebetween. The adhesive sheet is a light-absorbing material and has an opening to ensure an optical path of the microlens. An adhesive sheet may be applied to an optical device in which a lens laminate is formed by bonding a plurality of types of microlenses and an image sensor is disposed at a bottom of the lens laminate. The adhesive sheet and adjacent optical components thereto are in surface bonding. The adhesive sheet functions as a spacer for adjusting a unit gap.
    Type: Application
    Filed: August 12, 2024
    Publication date: March 6, 2025
    Inventors: Kunio YOSHIDA, Shigeru YAMAKI
  • Publication number: 20240203618
    Abstract: A transparent conducting film including a first and second transparent conducting layers each containing a binder resin and a nano-structured network having metal nanowire intersections, and first and second protection layers, which are sequentially formed on the first and second main faces, respectively, of a resin film containing a base resin and an ultraviolet absorbent. The resin film has a light transmittance of 10% or less in a region of wavelength 350 to 370 nm in an optical transmission spectrum, and a film of the base resin having a thickness same as the thickness of the resin film has a light transmittance of 80% or more in a region of wavelength 350 to 700 nm.
    Type: Application
    Filed: March 28, 2022
    Publication date: June 20, 2024
    Applicant: Resonac Corporation
    Inventors: Shigeru YAMAKI, Shuhei YONEDA, Yasunao MIYAMURA, kumiko TERAO
  • Publication number: 20240188220
    Abstract: First and second transparent conducting layers each containing a binder resin and a nano-structured network having metal nanowire intersections, are respectively formed on first and second main faces of a transparent resin film, each of the first and second transparent conducting layers has an absorption peak based on the nano-structured network in an optical transmission spectrum, the transparent resin film has a thickness of 40 ?m or more. After first and second protection layers are respectively formed on the first and second transparent conducting layer, only the first transparent conducting layer is etched from the first protection layer side so that a first transparent conducting pattern having a first conducting region and a first non-conducting region is formed by the first transparent conducting layer on the first main face.
    Type: Application
    Filed: March 28, 2022
    Publication date: June 6, 2024
    Applicant: RESONAC CORPORATION
    Inventors: Shigeru YAMAKI, Shuhei YONEDA, Yasunao MIYAMURA, Kumiko TERAO
  • Publication number: 20240102908
    Abstract: This optical cell for sedimentation analysis has a pair of opposing surfaces through which light is transmitted, and two polarizing plates, in which each of the two polarizing plates is disposed in a crossed Nicols state on each of the inner surfaces of the pair of opposing surfaces.
    Type: Application
    Filed: December 15, 2021
    Publication date: March 28, 2024
    Applicant: RESONAC CORPORATION
    Inventors: Yasunao MIYAMURA, Ayako NISHIOKA, Yasushi KADOWAKI, Kuniaki YAMATAKE, Masanao HARA, Shigeru YAMAKI, Hideki OHATA
  • Publication number: 20240059832
    Abstract: Provided is a transparent conducting film laminate suitable for three-dimensional molding having a curved surface. A transparent conducting film laminate comprising: a transparent substrate made of a transparent thermoplastic resin film, a transparent conducting film formed on at least one main face of the transparent substrate, and containing a binder resin and a metal nanowire, and a protection film formed on the transparent conducting film, and containing a resin component, wherein the binder resin contains at least on kind of poly-N-vinylacetamide, a copolymer containing 70 mol % or more of N-vinylacetamide (NVA) as a monomer unit, and a cellulose-based resin, and 94% by mass or more of the resin component constituting the protection film is derived from a thermoplastic resin.
    Type: Application
    Filed: December 24, 2021
    Publication date: February 22, 2024
    Applicant: Resonac Corporation
    Inventors: Jun KUWAHARA, Shigeru YAMAKI
  • Publication number: 20240060888
    Abstract: The present method for evaluating an orientation of silver nanowires is a method for measuring an orientation of silver nanowires included in a polyvinyl alcohol film, the method including measuring, using linearly polarized near-infrared light, a first transmittance T1 for polarized light perpendicular to an orientation direction of silver nanowires and a second transmittance T0 for polarized light parallel to the orientation direction of the silver nanowires in a polyvinyl alcohol film including the silver nanowires, and determining an orientation to be high in a case where a ratio (T1/T0) of the first transmittance T1 to the second transmittance T0 is greater than 1, and determining the orientation to be low in a case where the ratio is close to 1.
    Type: Application
    Filed: December 15, 2021
    Publication date: February 22, 2024
    Applicant: Resonac Corporation
    Inventors: Yasunao MIYAMURA, Yasushi KADOWAKI, Kuniaki YAMATAKE, Masanao HARA, Shigeru YAMAKI, Hideki OHATA
  • Patent number: 11899038
    Abstract: An acceleration sensor is provided in which a sensitive color plate is provided between two polarizing plates that are in a crossed Nicol disposition, and a silver nanowire dispersion is disposed between the sensitive color plate and one of the polarizing plates.
    Type: Grant
    Filed: December 18, 2020
    Date of Patent: February 13, 2024
    Assignee: Resonac Corporation
    Inventors: Yasunao Miyamura, Yasushi Kadowaki, Kuniaki Yamatake, Masanao Hara, Shigeru Yamaki, Hideki Ohata
  • Patent number: 11710581
    Abstract: Provided are a transparent conducting film laminate to which a curl generated during a heating step and after the heating step can be controlled, and a method for processing the same. A transparent conducting film laminate comprises a transparent conducting film 20 and a carrier film 10 stacked thereon, wherein the transparent conducting film 20 comprises a transparent resin film 3, transparent conducting layer 4, and an overcoat layer 5 stacked in this order, the transparent resin film 3 having a thickness T1 of 5 to 25 ?m and being made of an amorphous cycloolefin-based resin, the carrier film 10 is releasably stacked on the other main face, the face opposite to the face having the transparent conducting layer 4, of the transparent resin film 3 with an adhesive agent layer 2 therebetween, and a protection film 1 has a thickness T2 which is 5 times or more of the thickness T1 of the transparent resin film 3 and is 150 ?m or less, and is made of polyester having an aromatic ring in its molecular backbone.
    Type: Grant
    Filed: December 24, 2019
    Date of Patent: July 25, 2023
    Assignee: SHOWA DENKO K.K.
    Inventors: Shigeru Yamaki, Shuhei Yoneda
  • Patent number: 11685846
    Abstract: Provided is a transparent conducting film having a preferable optical property, a preferable electrical property, and further, a superior durability of folding. The transparent conducting film comprises a transparent substrate and a transparent conducting layer formed on at least one of main faces of the transparent substrate, wherein the transparent conducting layer contains a binder resin and a conducting fiber, a cut portion of the transparent conducting film has a straightness of 0.050 mm or less. Preferably, the transparent substrate is a resin film having an elongated resin film or cut out from an elongated film, and can be folded in with a folding axis in the direction perpendicular to the longitudinal direction of the elongated resin film.
    Type: Grant
    Filed: May 18, 2021
    Date of Patent: June 27, 2023
    Assignee: SHOWA DENKO K. K.
    Inventors: Shigeru Yamaki, Shuhei Yoneda
  • Patent number: 11670433
    Abstract: Provided are a transparent conducting film laminate to which a curl generated during a heating step and after the heating step can be controlled, and a method for processing the same. A transparent conducting film laminate comprises a transparent conducting film 20 and a carrier film 10 stacked thereon, wherein the transparent conducting film 20 comprises a transparent resin film 3, transparent conducting layer 4, and an overcoat layer 5 stacked in this order, the transparent resin film 3 having a thickness T1 of 5 to 25 ?m and being made of an amorphous cycloolefin-based resin, the carrier film 10 is releasably stacked on the other main face, the face opposite to the face having the transparent conducting layer 4, of the transparent resin film 3 with an adhesive agent layer 2 therebetween, and a protection film 1 has a thickness T2 which is 5 times or more of the thickness T1 of the transparent resin film 3 and is 150 ?m or less, and is made of polyester having an aromatic ring in its molecular backbone.
    Type: Grant
    Filed: December 24, 2019
    Date of Patent: June 6, 2023
    Assignee: SHOWA DENKO K.K.
    Inventors: Shigeru Yamaki, Shuhei Yoneda
  • Publication number: 20230119637
    Abstract: Provided is a transparent conducting film having a preferable optical property, a preferable electrical property, and further, a superior durability of folding. The transparent conducting film comprises a transparent substrate and a transparent conducting layer formed on at least one of main faces of the transparent substrate, wherein the transparent conducting layer contains a binder resin and a conducting fiber, a cut portion of the transparent conducting film has a straightness of 0.050 mm or less. Preferably, the transparent substrate is a resin film having an elongated resin film or cut out from an elongated film, and can be folded in with a folding axis in the direction perpendicular to the longitudinal direction of the elongated resin film.
    Type: Application
    Filed: May 18, 2021
    Publication date: April 20, 2023
    Applicant: SHOWA DENKO K.K.
    Inventors: Shigeru YAMAKI, Shuhei YONEDA
  • Publication number: 20230055947
    Abstract: An acceleration sensor is provided in which a sensitive color plate is provided between two polarizing plates that are in a crossed Nicol disposition, and a silver nanowire dispersion is disposed between the sensitive color plate and one of the polarizing plates.
    Type: Application
    Filed: December 18, 2020
    Publication date: February 23, 2023
    Applicant: SHOWA DENKO K.K.
    Inventors: Yasunao MIYAMURA, Yasushi KADOWAKI, Kuniaki YAMATAKE, Masanao HARA, Shigeru YAMAKI, Hideki OHATA
  • Publication number: 20230046460
    Abstract: In a method for producing a high-molecular-weight polymer sheet, when a monomer composition including silver nanowires is polymerized, the monomer composition is allowed to stand in a state in which a thickness direction of the obtained high-molecular-weight polymer sheet before the polymerization is a vertical direction, and the silver nanowires in the monomer composition are oriented in the vertical direction and polymerized.
    Type: Application
    Filed: December 18, 2020
    Publication date: February 16, 2023
    Applicant: SHOWA DENKO K.K.
    Inventors: Yasunao MIYAMURA, Yasushi KADOWAKI, Kuniaki YAMATAKE, Masanao HARA, Shigeru YAMAKI, Hideki OHATA
  • Publication number: 20230027915
    Abstract: The present invention provides a production method of a polymerized polymer containing a silver nanowire, including a preparation step of preparing a monomer composition containing the silver nanowire, a polymerization step of performing polymerization of the monomer composition containing the silver nanowire, and a standing step of leaving the monomer composition to stand which is performed between the preparation step and the polymerization step, in which a start of the polymerization step is determined in the standing step based on an orientation state in a vertical direction of the silver nanowire in the monomer composition as an index.
    Type: Application
    Filed: December 18, 2020
    Publication date: January 26, 2023
    Applicant: SHOWA DENKO K.K
    Inventors: Yasunao MIYAMURA, Yasushi KADOWAKI, Kuniaki YAMATAKE, Masanao HARA, Shigeru YAMAKI, Hideki OHATA
  • Publication number: 20230025211
    Abstract: An evaluation method includes a step of disposing a sensitive color plate between two polarization plates disposed in a crossed Nicols shape, a step of disposing a measurement material that is a transparent material containing a nanowire between any of one polarization plate or the other polarization plate of the polarization plates and the sensitive color plate, a step of making white light incident from a side of one of the disposed polarization plates, a step of observing a color of the measurement material from a side of the other polarization plate, and a step of evaluating an orientation direction of the nanowire from the color of the measurement material obtained by observation.
    Type: Application
    Filed: December 18, 2020
    Publication date: January 26, 2023
    Applicant: SHOWA DENKO K.K.
    Inventors: Yasunao MIYAMURA, Yasushi KADOWAKI, Kuniaki YAMATAKE, Masanao HARA, Shigeru YAMAKI, Hideki OHATA
  • Patent number: 11535047
    Abstract: Provided is a transparent conducting film having a favorable optical property, favorable electrical property, and almost no in-plane resistance anisotropy. A method for producing a transparent conducting film provided with a conducting layer containing a metal nanowire and a binder resin, comprises steps of: preparing a coating liquid containing the metal nanowire and the binder resin, and coating the coating liquid on one main face of a transparent substrate, wherein, in the coating step, a bar-coat printing method is performed using a bar provided with a groove having a pitch (P) and a depth (H) which satisfy a ratio P/H of 5 to 30.
    Type: Grant
    Filed: May 29, 2020
    Date of Patent: December 27, 2022
    Assignee: SHOWA DENKO K.K.
    Inventor: Shigeru Yamaki
  • Patent number: 11538603
    Abstract: Provided is a transparent conducting film containing metal nanowires, the conducting film having a preferable optical property, electrical property, and having almost no in-plane resistance anisotropy. A method for producing a transparent conducting film provided with a conducting layer containing a metal nanowire and a binder resin, comprising steps of: preparing a coating liquid containing the metal nanowire and the binder resin, and coating the coating liquid on one main face of a transparent substrate, the coating step being performed by a bar-coater with a bar which has a bar surface constituted by a material having a friction coefficient of 0.05 to 0.
    Type: Grant
    Filed: May 29, 2020
    Date of Patent: December 27, 2022
    Assignee: SHOWA DENKO K.K.
    Inventors: Shigeru Yamaki, Shuhei Yoneda
  • Publication number: 20220371310
    Abstract: Provided are a transparent conducting film laminate capable of controlling a curl during and after the heating, and a processing method thereof. A transparent conducting film laminate comprising a transparent conducting film 10, and a carrier film 1 stacked on the transparent conducting film 10, wherein the carrier film is a polycarbonate film having no adhesive agent layer, the transparent conducting film 10 comprises a transparent resin film 2, a transparent conducting layer 3 containing metal nanowires and a binder resin, and an overcoat layer 4 stacked in this order, the transparent resin film 2 is made of an amorphous cycloolefin-based resin, and the carrier film to be releasably stacked on a main face of the transparent conducting film 2, the main face being opposite to the face on which the transparent conducting layer 3 is stacked.
    Type: Application
    Filed: October 13, 2020
    Publication date: November 24, 2022
    Applicant: SHOWA DENKO K.K.
    Inventors: Shigeru YAMAKI, Shuhei YONEDA
  • Publication number: 20220344072
    Abstract: Provided is a transparent conducting film containing metal nanowires, the conducting film having a preferable optical property, electrical property, and having almost no in-plane resistance anisotropy. A method for producing a transparent conducting film provided with a conducting layer containing a metal nanowire and a binder resin, comprising steps of: preparing a coating liquid containing the metal nanowire and the binder resin, and coating the coating liquid on one main face of a transparent substrate, the coating step being performed by a bar-coater with a bar which has a bar surface constituted by a material having a friction coefficient of 0.05 to 0.
    Type: Application
    Filed: May 29, 2020
    Publication date: October 27, 2022
    Applicant: SHOWA DENKO K.K.
    Inventors: Shigeru YAMAKI, Shuhei YONEDA
  • Publication number: 20220230774
    Abstract: Provided are a transparent conducting film laminate to which a curl generated during a heating step and after the heating step can be controlled, and a method for processing the same. A transparent conducting film laminate comprises a transparent conducting film 20 and a carrier film 10 stacked thereon, wherein the transparent conducting film 20 comprises a transparent resin film 3, transparent conducting layer 4, and an overcoat layer 5 stacked in this order, the transparent resin film 3 having a thickness T1 of 5 to 25 ?m and being made of an amorphous cycloolefin-based resin, the carrier film 10 is releasably stacked on the other main face, the face opposite to the face having the transparent conducting layer 4, of the transparent resin film 3 with an adhesive agent layer 2 therebetween, and a protection film 1 has a thickness T2 which is 5 times or more of the thickness T1 of the transparent resin film 3 and is 150 ?m or less, and is made of polyester having an aromatic ring in its molecular backbone.
    Type: Application
    Filed: December 24, 2019
    Publication date: July 21, 2022
    Applicant: SHOWA DENKO K.K.
    Inventors: Shigeru YAMAKI, Shuhei YONEDA