Patents by Inventor Koichiro Isoue

Koichiro Isoue 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: 11541640
    Abstract: A circuit-including film comprising: a resin film (1); and a conductive fine wire circuit (A) and a conductive circuit (B) independent of the conductive fine wire circuit (A), which are arranged on one surface of the resin film (1), wherein the resin film (1) contains at least one resin selected from the group consisting of a polyvinyl acetal resin, an ionomer resin and an ethylene-(vinyl acetate) copolymer resin.
    Type: Grant
    Filed: December 27, 2018
    Date of Patent: January 3, 2023
    Assignee: Kuraray Europe GmbH
    Inventors: Yuhi Shimazumi, Koichiro Isoue, Jun Koishikawa
  • Patent number: 11518145
    Abstract: A laminate comprising a base material film, a resin layer (1) having a detachable surface, and a heat-generating conductive layer in this order.
    Type: Grant
    Filed: December 27, 2018
    Date of Patent: December 6, 2022
    Assignee: KURARAY EUROPE GMBH
    Inventors: Hiroyuki Arishima, Koichiro Isoue, Hirotaka Yasuda
  • Patent number: 11504951
    Abstract: A polyvinyl acetal resin film for laminated glass, a viscosity of toluene/ethanol=1/1 (by mass ratio) solution of a polyvinyl acetal resin in a resin composition constituting the polyvinyl acetal resin film with a concentration of 10% by mass, measured at 30 rpm and 20° C. by using a Brookfield-type (B-type) viscometer, being more than 200 mPa·s, the polyvinyl acetal resin film comprising a plasticizer in an amount of 0 to 20% by mass based on a total mass of the resin composition constituting the polyvinyl acetal resin film, and the polyvinyl acetal resin film having a thickness of 10 to 350 ?m.
    Type: Grant
    Filed: March 27, 2018
    Date of Patent: November 22, 2022
    Assignee: KURARAY EUROPE GMBH
    Inventors: Koichiro Isoue, Hirotaka Yasuda, Jun Koishikawa, Uwe Keller
  • Publication number: 20220302581
    Abstract: Provided is an antenna system useful for communication using high-frequency waves. The antenna system (100) comprises a first glass layer (101) that transmits high-frequency waves; a low-dielectric layer (103) having a lower dielectric constant than that of the first glass layer (101), the low-dielectric layer disposed adjacent to the first glass layer (101) and transmitting the high-frequency waves entering through the first glass layer (101); and an antenna circuit board (107) disposed adjacent to the low-dielectric layer (103) and including a high-frequency insulation layer (105) that receives the high-frequency waves entering through the low-dielectric layer (103).
    Type: Application
    Filed: June 2, 2022
    Publication date: September 22, 2022
    Applicant: KURARAY CO., LTD.
    Inventors: Tatsuya Sunamoto, Chikako Miyauchi, Koichiro Isoue
  • Publication number: 20220049080
    Abstract: The present invention relates to a polyvinyl acetal resin film, comprising a polyvinyl acetal resin material, wherein at least one surface has a relative diffuse reflectance of 3% or higher at a wavelength of 550 nm, an absolute difference between the relative diffuse reflectance of one surface at a wavelength of 550 nm and that of the other surface at a wavelength of 550 nm is 0.5% or larger, and the amount of a plasticizer in the polyvinyl acetal resin film is 0 to 20% by mass based on a total mass of the polyvinyl acetal resin film.
    Type: Application
    Filed: September 25, 2019
    Publication date: February 17, 2022
    Applicant: KURARAY CO., LTD.
    Inventors: Takuya KOBAYASHI, Koichiro ISOUE, Hirotaka YASUDA
  • Publication number: 20220010082
    Abstract: The present invention relates to a method for producing a polyvinyl acetal resin film containing a plasticizer absorbed therein, comprising: a contact step of bringing a liquid plasticizer into contact with a polyvinyl acetal resin film; and a heating step of heating the polyvinyl acetal resin film that has been contacted with the liquid plasticizer, wherein an amount of a plasticizer in the polyvinyl acetal resin film before the contact step is 0 to 20% by mass based on a total mass of the polyvinyl acetal resin film.
    Type: Application
    Filed: September 25, 2019
    Publication date: January 13, 2022
    Applicant: KURARAY CO., LTD.
    Inventor: Koichiro ISOUE
  • Publication number: 20210403697
    Abstract: The present invention relates to a polyvinyl acetal resin film, comprising a polyvinyl acetal resin material, wherein the polyvinyl acetal resin film has a thickness of 5 to 350 ?m, and satisfies the following Formulae (1) and (2) where, comparing one surface and the other surface, a mean value of the 10-point average roughness of a rougher surface A and a mean value of the 10-point average roughness of a smoother surface B are defined as Rz1(a) ?m and Rz2(a) ?m, respectively: Rz1(a)>1.1×Rz2(a)??(1) 3>Rz2(a)??(2), a value obtained by dividing the standard deviation of the 10-point average roughness of the surface A by Rz1(a) and a value obtained by dividing the standard deviation of the 10-point average roughness of the surface B by Rz2(a) are each 0 to 0.30, a viscosity of a toluene/ethanol (1:1, mass ratio) solution containing 10%-by-mass of a polyvinyl acetal resin contained in the polyvinyl acetal resin material, which is measured at 20° C.
    Type: Application
    Filed: September 25, 2019
    Publication date: December 30, 2021
    Applicant: KURARAY CO., LTD.
    Inventors: Yoshiaki ASANUMA, Koichiro ISOUE
  • Publication number: 20210394493
    Abstract: An intermediate laminate having a first adhesive layer and a first cross-linked cured resin layer laminated directly with no other layer interposed therebetween, the first adhesive layer having a polyvinyl acetal resin and/or an ionomer resin.
    Type: Application
    Filed: September 26, 2019
    Publication date: December 23, 2021
    Applicant: KURARAY CO., LTD.
    Inventors: Yuuki TAKASUKA, Atsushi NAGASAWA, Hirotaka YASUDA, Koichiro ISOUE
  • Publication number: 20210394494
    Abstract: The present invention relates to a polyvinyl acetal resin film, comprising a polyvinyl acetal resin material, wherein the polyvinyl acetal resin film has a thickness of 10 to 350 ?m, one surface has a 10-point average roughness Rz value of less than 2 ?m and a friction angle of larger than 31° but 40° or smaller, the other surface has a 10-point average roughness Rz value of 2 ?m to 7 ?m and a friction angle of 20° to 31°, a viscosity of a toluene/ethanol (1:1, mass ratio) solution containing 10%-by-mass of a polyvinyl acetal resin contained in the polyvinyl acetal resin material, which is measured at 20° C. and 30 rpm using a Brookfield-type (B-type) viscometer, is 100 to 1,000 mPa·s, and the amount of a plasticizer in the polyvinyl acetal resin film is 0 to 20% by mass based on a total mass of the polyvinyl acetal resin film.
    Type: Application
    Filed: September 25, 2019
    Publication date: December 23, 2021
    Applicant: KURARAY CO., LTD.
    Inventors: Yuhi SHIMAZUMI, Takeshi KUSUDOU, Koichiro ISOUE, Hirotaka YASUDA, Takuya KOBAYASHI
  • Patent number: 11155062
    Abstract: The present invention provides an interlayer film for laminated glass which has excellent sound insulating properties even when the thickness is reduced, and also has a low degree of orientation and low shrinkability.
    Type: Grant
    Filed: November 10, 2015
    Date of Patent: October 26, 2021
    Assignee: KURARAY CO., LTD.
    Inventors: Takeshi Kusudou, Takuya Kobayashi, Taiga Yui, Mitsunori Asada, Yohei Kamata, Koichiro Isoue
  • Publication number: 20210114351
    Abstract: A circuit-including film comprising: a resin film (1); and a conductive fine wire circuit (A) and a conductive circuit (B) independent of the conductive fine wire circuit (A), which are arranged on one surface of the resin film (1), wherein the resin film (1) contains at least one resin selected from the group consisting of a polyvinyl acetal resin, an ionomer resin and an ethylene-(vinyl acetate) copolymer resin.
    Type: Application
    Filed: December 27, 2018
    Publication date: April 22, 2021
    Inventors: Yumi SHIMAZUMI, Koichiro ISOUE, Jun KOISHIKAWA
  • Publication number: 20210095111
    Abstract: A polyvinyl acetal resin film, having an average surface roughness Rz of at least one surface of 3.0 ?m or less; a birefringence ?n of 3.0×10?4 or less; and an average thickness of 200 ?m or less.
    Type: Application
    Filed: April 19, 2019
    Publication date: April 1, 2021
    Applicant: KURARAY CO., LTD.
    Inventors: Hiroyuki ARISHIMA, Koichiro ISOUE, Hirotaka YASUDA, Toshiyuki IGUCHI
  • Publication number: 20210060901
    Abstract: A laminate comprising a base material film, a resin layer (1) having a detachable surface, and a heat-generating conductive layer in this order.
    Type: Application
    Filed: December 27, 2018
    Publication date: March 4, 2021
    Inventors: Hiroyuki ARISHIMA, Koichiro ISOUE, Hirotaka YASUDA
  • Patent number: 10899112
    Abstract: A first object of the invention is to provide an interlayer film for laminated glass which has excellent sound insulating properties and heat shielding properties, and a laminated glass using the same. Further, a second object of the invention is to provide an interlayer film for laminated glass capable of maintaining the sound insulating properties, weather resistance, and heat creep resistance at a high level even if the thickness is reduced, and a laminated glass using the same. The invention relates to an interlayer film for laminated glass, including at least one layer A containing a thermoplastic elastomer, wherein a laminated glass in which the interlayer film for laminated glass is disposed between two clear glasses with the total thickness of the clear glasses being 4 mm or less has a visible light transmittance of 70% or more and an average transmittance of infrared light in the wavelength range of 800 to 1,100 nm of 72% or less.
    Type: Grant
    Filed: November 10, 2015
    Date of Patent: January 26, 2021
    Assignee: KURARAY CO., LTD.
    Inventors: Takeshi Kusudou, Takuya Kobayashi, Shinya Oshita, Taiga Yui, Koichiro Isoue
  • Patent number: 10857763
    Abstract: The present invention provides an interlayer film for laminated glass which has excellent sound insulating properties even when the thickness is reduced, and also hardly causes optical unevenness. An interlayer film for laminated glass includes at least one layer A containing a thermoplastic elastomer, wherein the shear storage modulus of the layer A at 70° C. as measured by performing a dynamic viscoelasticity test at a frequency of 1,000 Hz in accordance with ASTM D4065-06 is 1 MPa or more, and a layer having a higher shear storage modulus than the layer A is provided on at least one surface of the layer A, and at least one surface of the interlayer film for laminated glass is in a state of having been shaped.
    Type: Grant
    Filed: August 15, 2019
    Date of Patent: December 8, 2020
    Assignee: KURARAY CO., LTD.
    Inventors: Taiga Yui, Takuya Kobayashi, Takeshi Kusudou, Koichiro Isoue
  • Publication number: 20200374987
    Abstract: To provide a composite film which comprises a heat-generating conductive structure and is suitable for a laminated glass that can achieve both of the heating of the whole area of the laminated glass and the efficient heating of a region surrounding an electronic member (e.g., a camera, a sensor, an antenna) while keeping the good sensitivity of the electronic member. A composite film comprising: a resin film; and a heat-generating conductive structure arranged on the resin film and comprising at least a plurality of main conductive fine wires, wherein the composite film has at least one electronic member attachment region not comprising the plurality of main conductive fine wires.
    Type: Application
    Filed: December 27, 2018
    Publication date: November 26, 2020
    Inventors: Hirotaka YASUDA, Koichiro ISOUE
  • Publication number: 20200171795
    Abstract: The present invention relates to a production method of a conductive structure-containing film with a substrate film, the production method comprising: a step (1) of forming a resin layer (X) by coating a thermoplastic resin composition (A) containing at least one thermoplastic resin selected from the group consisting of a polyvinyl acetal resin, an ionomer resin, and an ethylene-vinyl acetate copolymer resin on one side of a substrate film; and a step (2) of forming a conductive structure on the resin layer (X).
    Type: Application
    Filed: July 6, 2018
    Publication date: June 4, 2020
    Applicant: KURARAY CO., LTD.
    Inventors: Koichiro ISOUE, Hirotaka YASUDA
  • Publication number: 20200139681
    Abstract: An intermediate film for laminated glasses, the intermediate film having at least a sound insulation layer that comprises a resin composition A containing 100 parts by mass of a thermoplastic resin and 10 to 1000 parts by mass of a damping-property-imparting agent, wherein the damping-property-imparting agent has a molecular weight of 100 to 10000 and does not have a melting point at a temperature higher than 30° C., and the resin composition A has a maximum value of tan ? at a temperature of 30° C. or lower, and the maximum value is more than 3.1.
    Type: Application
    Filed: September 19, 2017
    Publication date: May 7, 2020
    Applicant: KURARAY CO., LTD.
    Inventors: Yoshiaki ASANUMA, Tatsuya OSHITA, Koichiro ISOUE
  • Publication number: 20200023620
    Abstract: A polyvinyl acetal resin film for laminated glass, a viscosity of toluene/ethanol=1/1 (by mass ratio) solution of a polyvinyl acetal resin in a resin composition constituting the polyvinyl acetal resin film with a concentration of 10% by mass, measured at 30 rpm and 20° C. by using a Brookfield-type (B-type) viscometer, being more than 200 mPa·s, the polyvinyl acetal resin film comprising a plasticizer in an amount of 0 to 20% by mass based on a total mass of the resin composition constituting the polyvinyl acetal resin film, and the polyvinyl acetal resin film having a thickness of 10 to 350 ?m.
    Type: Application
    Filed: March 27, 2018
    Publication date: January 23, 2020
    Applicant: KURARAY CO., LTD.
    Inventors: Koichiro ISOUE, Hirotaka YASUDA, Jun KOISHIKAWA, Uwe KELLER
  • Publication number: 20200017675
    Abstract: A polyvinyl acetal resin film for laminated glass, a viscosity of toluene/ethanol=1/1 (by mass ratio) solution of a polyvinyl acetal resin in a resin composition constituting the polyvinyl acetal resin film with a concentration of 10% by mass, measured at 30 rpm and 20° C. by using a Brookfield-type (B-type) viscometer, being 100 to 1000 mPa·s, the polyvinyl acetal resin film comprising a plasticizer in an amount of 0 to 20% by mass based on a total mass of the resin composition constituting the polyvinyl acetal resin film, the polyvinyl acetal resin film having a thickness of 10 to 350 ?m, the polyvinyl acetal resin film exhibiting a mean spacing Sm value of unevenness of at least one side of 500 ?m or more, and a ratio Sm/Rz of the mean spacing Sm value of unevenness to a value of ten-point average roughness Rz of at least one side of 200 or more.
    Type: Application
    Filed: March 27, 2018
    Publication date: January 16, 2020
    Applicant: KURARAY CO., LTD.
    Inventors: Koichiro ISOUE, Jun KOISHIKAWA, Hirotaka YASUDA, Uwe KELLER