Patents by Inventor Kazue Uemura

Kazue Uemura 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: 10465101
    Abstract: The present invention relates to a pressure sensitive adhesive sheet containing, laminated in this order, a supporting substrate, a pressure sensitive adhesive layer (X), a continuous void-containing layer including a composition containing silica particles, and a pressure sensitive adhesive layer (Y), the continuous void-containing layer having a mass concentration of the silica particles of more than 60% and 100% or less.
    Type: Grant
    Filed: April 2, 2015
    Date of Patent: November 5, 2019
    Assignees: LINTEC CORPORATION, NIPPON PAINT INDUSTRIAL COATINGS CO., LTD.
    Inventors: Kiichiro Kato, Yumiko Amino, Kazue Uemura, Shigeru Saito, Masanori Kido, Shinji Nishioka, Masato Kishi
  • Patent number: 10363718
    Abstract: The present invention relates to a pressure sensitive adhesive sheet containing, laminated in this order, a supporting substrate, a pressure sensitive adhesive layer (X), a continuous void-containing layer including a composition containing fine particles (excepting silica), and a pressure sensitive adhesive layer (Y), the continuous void-containing layer having a mass concentration of the fine particles of from 45 to 100%.
    Type: Grant
    Filed: April 2, 2015
    Date of Patent: July 30, 2019
    Assignees: LINTEC CORPORATION, NIPPON PAINT INDUSTRIAL COATINGS CO., LTD.
    Inventors: Kazue Uemura, Kiichiro Kato, Shigeru Saito, Yumiko Amino, Masanori Kido, Shinji Nishioka, Masato Kishi
  • Patent number: 10273387
    Abstract: Provided is a pressure sensitive adhesive sheet having a resin layer on a substrate or a release material, at least a surface (?) of the resin layer being opposite to the side thereof on which the substrate or the release material is provided has pressure sensitive adhesiveness, wherein one or more concave portions exist on the surface (?), and a standard deviation (?) based on a mean brightness value of the surface (?) is 10.0 or more. When attached to an adherend, the pressure sensitive adhesive sheet can readily remove air accumulation to be formed and therefore exhibits excellent air escape property, and has good pressure sensitive adhesion characteristics.
    Type: Grant
    Filed: April 2, 2015
    Date of Patent: April 30, 2019
    Assignee: LINTEC CORPORATION
    Inventors: Shigeru Saito, Wataru Miyazaki, Kiichiro Kato, Kazue Uemura, Yumiko Amino, Yasunari Takanashi
  • Publication number: 20190085215
    Abstract: Provided is a pressure sensitive adhesive sheet including a resin layer on a substrate or a release material, at least a surface (?) of the resin layer on the side opposite to the side thereof on which the substrate or the release material is provided having pressure sensitive adhesiveness, wherein a concave portion and plural flat faces having an irregular shape exist in a region (Dc) surrounded by an arbitrarily predetermined circle on the surface (?) of the resin layer; and with respect to one or more flat faces (S) among the plural flat faces, the one or more flat faces (S) excluding flat faces having a cumulative relative frequency of 30% or less determined by adding the relative frequency from the respective flat faces with a smaller area, an rMAX value of the flat faces (S) calculated from specified operations is 0.
    Type: Application
    Filed: September 27, 2016
    Publication date: March 21, 2019
    Applicant: LINTEC CORPORATION
    Inventors: Kazue UEMURA, Yusuke MATSUOKA, Takamasa KASE, Kiichiro KATO
  • Patent number: 10233361
    Abstract: A pressure sensitive adhesive sheet containing, on a substrate or a release material, a resin layer, at least a surface (?) of the resin layer being opposite to the side of the substrate or being opposite to the side which the release material is provided, having pressure sensitive adhesiveness, the surface (?) having one or more concave portions, the concave portions having irregular shapes. The pressure sensitive adhesive sheet has an excellent air escape property capable of easily removing air accumulation that may be formed on attaching to an adherend, and is excellent in pressure sensitive adhesion characteristics.
    Type: Grant
    Filed: April 2, 2015
    Date of Patent: March 19, 2019
    Assignee: LINTEC CORPORATION
    Inventors: Kiichiro Kato, Kazue Uemura, Yumiko Amino, Shigeru Saito, Masaru Matsushima
  • Patent number: 10233360
    Abstract: Provided is a pressure sensitive adhesive sheet containing, on a substrate or a release material, a resin layer that includes a resin part (X) containing a resin as a main component, and a particle part (Y) consisting of fine particles, at least a surface (?) of the resin layer being opposite to the side thereof on which the substrate or the release material is provided having pressure sensitive adhesiveness, wherein plural concave portions having a maximum height difference of 0.5 ?m or more exist in a predetermined region (P) on the surface (?), and 95% or more of the plural concave portions existing inside the region (P) have shapes differing from each other, and one or more such concave portions exist in a predetermined region (Q) on the surface (?).
    Type: Grant
    Filed: April 2, 2015
    Date of Patent: March 19, 2019
    Assignee: LINTEC CORPORATION
    Inventors: Kiichiro Kato, Kazue Uemura, Yumiko Amino, Shigeru Saito
  • Patent number: 10221338
    Abstract: Provided is a pressure sensitive adhesive sheet containing a resin layer on a substrate or a release material, at least a surface (?) of the resin layer being opposite to the side thereof on which the substrate or the release material is provided having pressure sensitive adhesiveness, wherein, when a smooth surface of a light transmissive adherend having a smooth surface is attached to the surface (?), one or more concave portion (G) not kept in contact with the smooth surface exist on the surface (?), and the shapes of the one or more concave portions (G) have irregular shapes. The pressure sensitive adhesive sheet has excellent air escape property capable of readily removing air accumulation that may be formed on attaching to an adherend, and has good pressure sensitive adhesion characteristics.
    Type: Grant
    Filed: April 2, 2015
    Date of Patent: March 5, 2019
    Assignee: LINTEC CORPORATION
    Inventors: Kazue Uemura, Kiichiro Kato, Yumiko Amino, Shigeru Saito, Masaru Matsushima
  • Patent number: 10221339
    Abstract: A pressure sensitive adhesive sheet including, on a substrate or a release material, a resin layer including a resin part (X) containing a resin as a main component, and a particle part (Y) consisting of fine particles and having a surface (?) having pressure sensitive adhesiveness and one or more concave portions. When the surface (?) of the resin layer is adhered to a smooth surface of a light transmissive adherend to give a laminate, the areal ratio (S1) of the attached area adhered to the smooth surface to the surface (?) is 10 to 95% at 23° C. and 50% RH, and the area increase rate {[(S2?S1)/S1]×100} is ?10 to 20% after heating of the smooth surface by statically leaving the laminate at 80° C. for 30 minutes.
    Type: Grant
    Filed: April 2, 2015
    Date of Patent: March 5, 2019
    Assignee: LINTEC CORPORATION
    Inventors: Satoshi Kawada, Kiichiro Kato, Kazue Uemura, Yumiko Amino, Shigeru Saito, Koji Tsuchibuchi, Takamasa Kase
  • Publication number: 20180282590
    Abstract: Provided a pressure sensitive adhesive sheet including a substrate or a release material having thereon a resin layer that contains a resin part (X) containing a carbon atom-containing resin having a carbon atom in a main chain of a constitutional unit as a main component, and a particle part (Y) consisting of fine particles containing silica particles, a surface (?) having pressure sensitive adhesiveness, the surface (?) having a concave portion and a flat face existing thereon, a prescribed section (P1) having existing on the side of the surface (?) a concave portion having a prescribed maximum height difference, and a flat portion corresponding to a cut portion of the flat face existing in a region (P) and being substantially in parallel to a surface of the substrate or the release material in contact with the resin layer, and an absolute value of a ratio of an intensity ratio of a peak intensity derived from silicon atoms and a peak intensity derived from carbon atoms measured by EDX a for a prescribed re
    Type: Application
    Filed: September 27, 2016
    Publication date: October 4, 2018
    Applicant: LINTEC CORPORATION
    Inventors: Yumiko AMINO, Kazue UEMURA, Kiichiro KATO
  • Publication number: 20180273810
    Abstract: Provided is a pressure sensitive adhesive sheet including a resin layer that is a multilayer structure containing at least a layer (X?), a layer (Y1), and a layer (X?) laminated in this order, a surface (?) of the layer (X?) of the resin layer having pressure sensitive adhesiveness, at least a constitutional component contained in the layer (Y1) being different from constitutional components contained in the layer (X?) and the layer (X?), on the prescribed cross section (P1) of the pressure sensitive adhesive sheet, in a range of 250 ?m in a horizontal direction freely-selected, a difference between a maximum value and a minimum value of the layer (X?) being 3.00 ?m or more, and a difference between a maximum value and a minimum value of the layer (Y1) being 5.00 ?m or more.
    Type: Application
    Filed: September 27, 2016
    Publication date: September 27, 2018
    Applicant: LINTEC CORPORATION
    Inventors: Kazue UEMURA, Kaisuke YANAGIMOTO, Kiichiro KATO
  • Publication number: 20180264489
    Abstract: Provided are a pressure sensitive adhesive sheet including, on a substrate, a resin layer containing a resin which is a resin layer containing a resin part (X) containing a resin as a main component and a particle part (Y) consisting of fine particles, at least a surface (?) of the resin layer on the side opposite to the side thereof on which the substrate is provided, having pressure sensitive adhesiveness, wherein a bending stress coefficient k in the MD direction of the substrate is 20 N·mm or less, a 10% elongation strength in the MD direction thereof is 260 N/15 mm or less, and concave portions satisfying specified requirements are included on the surface (?) of the resin layer; and a method for producing the pressure sensitive adhesive sheet.
    Type: Application
    Filed: September 27, 2016
    Publication date: September 20, 2018
    Applicant: LINTEC CORPORATION
    Inventors: Koji TSUCHIBUCHI, Kazue UEMURA, Kiichiro KATO
  • Publication number: 20180265749
    Abstract: A pressure sensitive adhesive sheet including, on a substrate or a release material, a resin layer, at least a surface (?) of the resin layer on the opposite to the side on which the substrate or release material is provided having pressure sensitive adhesiveness, wherein a concave portion and a flat face exist on the surface (?) of the resin layer, and a width of the concave portion observed from the side of the surface (?) is non-uniform, and in a region (D) of 8 mm in length×10 mm in width as freely-selected on the surface (?), a concave portion having an area of 70 to 99.99% relative to 100% of a total area of the concave portions existing in the region (D) exists.
    Type: Application
    Filed: September 27, 2016
    Publication date: September 20, 2018
    Applicant: LINTEC CORPORATION
    Inventors: Kazue UEMURA, Kiichiro KATO, Yumiko AMINO, Koji TSUCHIBUCHI, Takamasa KASE, Yusuke MATSUOKA
  • Publication number: 20180215961
    Abstract: Provided is a pressure sensitive adhesive sheet containing, on a substrate or a release material, a resin layer that includes a resin part (X) containing a resin as a main component, and a particle part (Y) consisting of fine particles, at least a surface (?) of the resin layer being opposite to the side thereof on which the substrate or the release material is provided having pressure sensitive adhesiveness, wherein plural concave portions having a maximum height difference of 0.5 ?m or more exist in a prescribed region (P) on the surface (?), and 95% or more of the plural concave portions existing inside the region (P) have shapes differing from each other, and when the surface (?) of the resin layer is attached to a smooth surface of a light transmissive adherend having a smooth surface, the areal ratio of the attached area against the smooth surface of the light transmissive adherend to the surface (?) is 10 to 95%.
    Type: Application
    Filed: April 2, 2015
    Publication date: August 2, 2018
    Applicant: LINTEC CORPORATION
    Inventors: Kazue UEMURA, Kiichiro KATO, Yumiko AMINO, Shigeru SAITO
  • Publication number: 20180171182
    Abstract: A pressure sensitive adhesive sheet is provided, containing a substrate or a release material having thereon a resin layer including a resin part (X) containing as a main component a hydrocarbon resin having a carbon atom on a main chain of a structural unit, and a particle part (Y) consisting of fine particles containing silica particles, and at least a surface (?) of the resin layer being opposite to the side of the substrate or being opposite to the side which the release material is provided, having pressure sensitive adhesiveness, the resin layer containing a multilayer structure having a layer (X?) and a layer (Y1) in this order in the thickness direction from the side of the surface (?), in a measurement of an intensity ratio (Si/C) of a peak intensity (Si) derived from a silicon atom and a peak intensity (C) derived from a carbon atom with an energy dispersive X-ray analyzer in the thickness direction from the side of the surface (?) of the resin layer, the intensity ratio in the layer (X?) being less
    Type: Application
    Filed: April 2, 2015
    Publication date: June 21, 2018
    Applicant: LINTEC CORPORATION
    Inventors: Kazue UEMURA, Takamasa KASE, Yumiko AMINO, Kiichiro KATO, Shigeru SAITO
  • Publication number: 20170210949
    Abstract: A pressure sensitive adhesive sheet containing, on a substrate or a release material, a resin layer that includes a resin part (X) containing a resin as a main component, and a particle part (Y) consisting of fine particles, at least a surface (?) of the resin layer being opposite to the side thereof on which the substrate or the release material is provided having pressure sensitive adhesiveness, wherein one or more concave portions exist on the surface (?), and when the surface (?) of the resin layer is adhered to a smooth surface of a light transmissive adherend having a smooth surface to give a laminate, the pressure sensitive adhesive sheet satisfies the following requirements (1) and (2). Requirement (1): in an environment at 23° C. and 50% RH, the areal ratio (S1) of the attached area against the smooth surface of the light transmissive adherend to the surface (?) before heating is 10 to 95%. Requirement (2): after the laminate is statically left in an environment at 80° C.
    Type: Application
    Filed: April 2, 2015
    Publication date: July 27, 2017
    Applicant: LINTEC CORPORATION
    Inventors: Satoshi KAWADA, Kiichiro KATO, Kazue UEMURA, Yumiko AMINO, Shigeru SAITO, Koji TSUCHIBUCHI, Takamasa KASE
  • Publication number: 20170210085
    Abstract: The present invention relates to a pressure sensitive adhesive sheet containing, laminated in this order, a supporting substrate, a pressure sensitive adhesive layer (X), a continuous void-containing layer including a composition containing fine particles (excepting silica), and a pressure sensitive adhesive layer (Y), the continuous void-containing layer having a mass concentration of the fine particles of from 45 to 100%.
    Type: Application
    Filed: April 2, 2015
    Publication date: July 27, 2017
    Applicants: LINTEC CORPORATION, NIPPON PAINT INDUSTRIAL COATINGS CO., LTD.
    Inventors: Kazue UEMURA, Kiichiro KATO, Shigeru SAITO, Yumiko AMINO, Masanori KIDO, Shinji NISHIOKA, Masato KISHI
  • Publication number: 20170183542
    Abstract: The present invention relates to a pressure sensitive adhesive sheet containing, laminated in this order, a supporting substrate, a pressure sensitive adhesive layer (X), a continuous void-containing layer including a composition containing silica particles, and a pressure sensitive adhesive layer (Y), the continuous void-containing layer having a mass concentration of the silica particles of more than 60% and 100% or less.
    Type: Application
    Filed: April 2, 2015
    Publication date: June 29, 2017
    Applicants: LINTEC CORPORATION, NIPPON PAINT INDUSTRIAL COATINGS CO., LTD.
    Inventors: Kiichiro KATO, Yumiko AMINO, Kazue UEMURA, Shigeru SAITO, Masanori KIDO, Shinji NISHIOKA, Masato KISHI
  • Publication number: 20170183544
    Abstract: A pressure sensitive adhesive sheet containing, on a substrate or a release material, a resin layer, at least a surface (?) of the resin layer being opposite to the side of the substrate or being opposite to the side which the release material is provided, having pressure sensitive adhesiveness, the surface (?) having one or more concave portions, the concave portions having irregular shapes. The pressure sensitive adhesive sheet has an excellent air escape property capable of easily removing air accumulation that may be formed on attaching to an adherend, and is excellent in pressure sensitive adhesion characteristics.
    Type: Application
    Filed: April 2, 2015
    Publication date: June 29, 2017
    Applicant: LINTEC CORPORATION
    Inventors: Kiichiro KATO, Kazue UEMURA, Yumiko AMINO, Shigeru SAITO, Masaru MATSUSHIMA
  • Publication number: 20170174943
    Abstract: Provided is a pressure sensitive adhesive sheet containing a resin layer on a substrate or a release material, at least a surface (?) of the resin layer being opposite to the side thereof on which the substrate or the release material is provided having pressure sensitive adhesiveness, wherein one or more concave portions formed not by transferring an emboss pattern exist on the surface (?).
    Type: Application
    Filed: April 2, 2015
    Publication date: June 22, 2017
    Applicant: LINTEC CORPORATION
    Inventors: Kiichiro KATO, Kazue UEMURA, Yumiko AMINO, Shigeru SAITO, Koji TSUCHIBUCHI, Masaru MATSUSHIMA
  • Publication number: 20170174944
    Abstract: Provided is a pressure sensitive adhesive sheet containing, on a substrate or a release material, a resin layer that includes a resin part (X) containing a resin as a main component, and a particle part (Y) consisting of fine particles, at least a surface (?) of the resin layer being opposite to the side thereof on which the substrate or the release material is provided having pressure sensitive adhesiveness, wherein plural concave portions having a maximum height difference of 0.5 ?m or more exist in a predetermined region (P) on the surface (?), and 95% or more of the plural concave portions existing inside the region (P) have shapes differing from each other, and one or more such concave portions exist in a predetermined region (Q) on the surface (?). When attached to an adherend, the pressure sensitive adhesive sheet can readily remove air accumulation to be formed and therefore exhibits excellent air escape property, and has good blister resistance and pressure sensitive adhesion characteristics.
    Type: Application
    Filed: April 2, 2015
    Publication date: June 22, 2017
    Applicant: LINTEC CORPORATION
    Inventors: Kiichiro KATO, Kazue UEMURA, Yumiko AMINO, Shigeru SAITO