Patents by Inventor Yasuyuki Izu

Yasuyuki Izu 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: 20180086030
    Abstract: There is provided an interlayer film for laminated glass which is high in moisture resistance and has a moderate adhesive force. In the interlayer film for laminated glass according to the present invention, when a process composed of sputtering and measurement by TOF-SIMS is performed n times and n Rations of Ion Intensity of Potassium/Ion Intensity of Thermoplastic Resin obtained from the first to n-th sputtering and measurement processes are collected to calculate an average value1?n?10 of 10 values of Ratio1?n?10 measured within a range of 1?n?10 and an average value1?n?150 values of Ratio1?n?150 measured within a range of 1?n?150, the average value1?n?10 is more than 1.1 times the average value1?n?150.
    Type: Application
    Filed: March 29, 2016
    Publication date: March 29, 2018
    Inventors: Kouhei Yamaguchi, Yasuyuki Izu, Masako Okamoto
  • Publication number: 20180086033
    Abstract: There is provided an interlayer film for laminated glass with which protrusion of an interlayer film portion in the TD direction can be suppressed at the time of producing laminated glass. In the interlayer film for laminated glass according to the present invention, when, in the MD direction of the interlayer film, a birefringence index of the first surface part, a birefringence index of the second surface part, and a birefringence index of the center part are defined as ?nMDA, ?nMDB, and ?nMDC, respectively, ?nMDA, ?nMDB, and ?nMDC each are 0.25×10?3 or less.
    Type: Application
    Filed: March 31, 2016
    Publication date: March 29, 2018
    Inventors: Kouhei Yamaguchi, Yasuyuki Izu, Isao Higuchi
  • Publication number: 20180086032
    Abstract: There is provided an interlayer film for laminated glass with which protrusion of an interlayer film portion in the TD direction can be suppressed at the time of producing laminated glass. In the interlayer film for laminated glass according to the present invention, when, in the MD direction of the interlayer film, a birefringence index of the first surface part, a birefringence index of the second surface part, and a birefringence index of the center part are defined as ?nMDA, ?nMDB, and ?nMDC, respectively, the interlayer film satisfies the first requirement: ?nMDA being larger than ?nMDC, ?nMDB being larger than ?nMDC, and ?nMDA, ?nMDB, and ?nMDC each being 0.12×10?3 or less or the interlayer film satisfies the second requirement: ?nMDA being larger than ?nMDC, ?nMDB being larger than ?nMDC, ((?nMDA??nMDC)/(?nMDC))<0.5, and ((?nMDB-?nMDC)/(?nMDC))<0.5.
    Type: Application
    Filed: March 31, 2016
    Publication date: March 29, 2018
    Inventors: Kouhei Yamaguchi, Yasuyuki Izu, Isao Higuchi
  • Publication number: 20180086031
    Abstract: There is provided an interlayer film for laminated glass with which positional displacement between two lamination glass members can be prevented. The interlayer film for laminated glass according to the present invention is arranged between a first lamination glass member and a second lamination glass member to obtain laminated glass, the interlayer film contains a thermoplastic resin and a plasticizer, when, in the MD direction of the interlayer film, a birefringence index of the first surface part, a birefringence index of the second surface part, and a birefringence index of the center part are defined as ?nMDA, ?nMDB, and ?nMDC, respectively, ?nMDA, ?nMDB, and ?nMDC each are 0.50×10?3 or less, and the glass transition temperature of the interlayer film is 33° C. or less or the content of the plasticizer in the interlayer film is 35 parts by weight or more relative to 100 parts by weight of the thermoplastic resin in the interlayer film.
    Type: Application
    Filed: March 31, 2016
    Publication date: March 29, 2018
    Inventors: Kouhei Yamaguchi, Yasuyuki Izu, Isao Higuchi
  • Publication number: 20180079180
    Abstract: There is provided an interlayer film for laminated glass which is high in moisture resistance and has a moderate adhesive force.
    Type: Application
    Filed: March 29, 2016
    Publication date: March 22, 2018
    Inventors: Kouhei Yamaguchi, Yasuyuki Izu, Masako Okamoto
  • Publication number: 20180065340
    Abstract: There is provided an interlayer film for laminated glass with which an interlayer film portion is less liable to protrude at the time of producing laminated glass.
    Type: Application
    Filed: March 31, 2016
    Publication date: March 8, 2018
    Inventors: Kouhei Yamaguchi, Yasuyuki Izu, Isao Higuchi
  • Patent number: 9840068
    Abstract: There is provided an interlayer film for laminated glass with which laminated glass having a gradation pattern with suppressed color irregularity can be prepared. The interlayer film for laminated glass according to the present invention includes a first resin layer containing a thermoplastic resin and a plasticizer and a second resin layer containing a thermoplastic resin, a plasticizer and inorganic particles, and the first resin layer being arranged on a first surface side of the second resin layer, wherein a gradation part being a region where the parallel light transmittance is greater than 30% and less than 60% and being a region where the thickness of the second resin layer is continuously decreased in the direction orthogonal to the thickness direction of the interlayer film at the time of preparing the laminated glass exists, and the complex viscosity at 200° C. of the second resin layer is greater than or equal to 0.7 times and less than or equal to 2 times the complex viscosity at 200° C.
    Type: Grant
    Filed: November 14, 2014
    Date of Patent: December 12, 2017
    Assignee: SEKISUI CHEMICAL CO., LTD.
    Inventors: Kazuhiko Nakayama, Kouhei Yamaguchi, Yasuyuki Izu
  • Publication number: 20170287369
    Abstract: A display apparatus includes laminated glass comprising an interlayer film laminated between a pair of glass plates; and an irradiation device irradiating the laminated glass with light rays, wherein the interlayer film comprises a thermoplastic resin and a luminescent material, wherein an output of the light rays radiated from the irradiation device is equal to or less than 1 mW, and wherein the laminated glass emits light at a luminance of equal to or greater than 1 cd/m2 when being irradiated with the light rays.
    Type: Application
    Filed: June 15, 2017
    Publication date: October 5, 2017
    Applicant: SEKISUI CHEMICAL CO., LTD.
    Inventors: Yuusuke Oota, Yasuyuki Izu, Daisuke Nakajima
  • Publication number: 20170197386
    Abstract: The present invention aims to provide an interlayer film for laminated glass capable of displaying images with a high luminous intensity when irradiated with a light beam, and a laminated glass including the interlayer film for laminated glass. The present invention relates to an interlayer film for laminated glass, including a light-emitting layer that contains a thermoplastic resin and a lanthanoid complex with a polydentate ligand containing a halogen atom, the light-emitting layer containing not more than 50 ppm in total of potassium, sodium, and magnesium.
    Type: Application
    Filed: August 3, 2015
    Publication date: July 13, 2017
    Applicant: SEKISUI CHEMICAL CO., LTD.
    Inventors: Yuusuke OOTA, Yasuyuki IZU, Daisuke NAKAJIMA
  • Publication number: 20170197381
    Abstract: The present invention aims to provide an interlayer film for laminated glass capable of displaying images with a high luminous intensity when irradiated with a light beam and having excellent durability, and a laminated glass including the interlayer film for laminated glass. The present invention relates to an interlayer film for laminated glass, including a light-emitting layer that contains a polyvinyl acetal resin and a lanthanoid complex as light-emitting particles, the light-emitting layer containing not more than 100 ppm in total of a nitric acid-derived component and a carbonate component.
    Type: Application
    Filed: August 3, 2015
    Publication date: July 13, 2017
    Applicant: SEKISUI CHEMICAL CO., LTD.
    Inventors: Yuusuke OOTA, Yasuyuki IZU, Daisuke NAKAJIMA
  • Publication number: 20170136742
    Abstract: The present invention aims to provide an interlayer film for laminated glass which prevents a double image phenomenon in a specific area of laminated glass and enables display of high contrast images at a luminance within a certain range. The present invention also aims to provide a laminated glass including the interlayer film for laminated glass. The present invention relates to an interlayer film for laminated glass, having a multilayer structure including a luminescent layer and a resin layer on at least one surface of the luminescent layer. The luminescent layer contains a thermoplastic resin, a plasticizer, and a luminescent material. The resin layer contains a thermoplastic resin and a plasticizer. The interlayer film for laminated glass has a wedge-shaped cross-sectional shape. The luminescent layer has a difference between the maximum thickness and the minimum thickness of 100 ?m or less.
    Type: Application
    Filed: September 29, 2015
    Publication date: May 18, 2017
    Applicant: SEKISUI CHEMICAL CO., LTD.
    Inventors: Yuusuke OOTA, Yasuyuki IZU, Daisuke NAKAJIMA
  • Publication number: 20170113441
    Abstract: There is provided an interlayer film for laminated glass enabling the laminated glass to have low transmittance for a light ray with a wavelength of 430 nm, and furthermore, being capable of achieving low excitation purity thereof. The interlayer film for laminated glass according to the present invention includes a thermoplastic resin, at least one first compound selected from yellow color-based coloring matter and red color-based coloring matter and at least one second compound selected from blue color-based coloring matter and purple color-based coloring matter, the ratio of the amount of the first compound to the amount of the second compound is 0.5 or more, and each of the blue color-based coloring matter and the purple color-based coloring matter is a kind of coloring matter with a maximum absorption wavelength of 550 nm or more and 750 nm or less.
    Type: Application
    Filed: April 7, 2015
    Publication date: April 27, 2017
    Inventors: Ryuta Tsunoda, Yasuyuki Izu
  • Publication number: 20170001417
    Abstract: The first aspect of the present invention aims to provide an interlayer film for laminated glass, an interlayer film for luminescent laminated glass, and a laminated glass including the interlayer film for laminated glass which are significantly suppressed while containing an aromatic compound such as a salicylic acid compound or a benzophenone compound. The second aspect of the present invention aims to provide an interlayer film for laminated glass which enables display of high luminance images under irradiation with light and inhibits reduction in the luminance of images even after use for a long period of time, and a laminated glass including the interlayer film for laminated glass.
    Type: Application
    Filed: March 31, 2015
    Publication date: January 5, 2017
    Applicant: SEKISUI CHEMICAL CO., LTD.
    Inventors: Yuusuke OOTA, Yasuyuki IZU
  • Publication number: 20160288460
    Abstract: There is provided an interlayer film for laminated glass with which laminated glass having a gradation pattern with suppressed color irregularity can be prepared.
    Type: Application
    Filed: November 14, 2013
    Publication date: October 6, 2016
    Inventors: Kazuhiko Nakayama, Kouhei Yamaguchi, Juichi Fukatani, Yasuyuki Izu
  • Publication number: 20160288465
    Abstract: There is provided an interlayer film for laminated glass with which laminated glass having a gradation pattern with suppressed color irregularity can be prepared. The interlayer film for laminated glass according to the present invention includes a first resin layer containing a thermoplastic resin and a plasticizer and a second resin layer containing a thermoplastic resin, a plasticizer and inorganic particles, and the first resin layer being arranged on a first surface side of the second resin layer, wherein a gradation part being a region where the parallel light transmittance is greater than 30% and less than 60% and being a region where the thickness of the second resin layer is continuously decreased in the direction orthogonal to the thickness direction of the interlayer film at the time of preparing the laminated glass exists, and the complex viscosity at 200° C. of the second resin layer is greater than or equal to 0.7 times and less than or equal to 2 times the complex viscosity at 200° C.
    Type: Application
    Filed: November 14, 2014
    Publication date: October 6, 2016
    Inventors: Kazuhiko Nakayama, Kouhei Yamaguchi, Yasuyuki Izu
  • Publication number: 20160154153
    Abstract: There is provided an interlayer film for laminated glass with which the visible light transmittance and the heat resistance of the laminated glass can be heightened. The interlayer film for laminated glass according to the present invention includes an organic coloring matter containing a transition element, a metal element which is different from a metal element contained in a metal oxide particle and different from a transition element, a thermoplastic resin and a plasticizer.
    Type: Application
    Filed: June 13, 2014
    Publication date: June 2, 2016
    Applicant: SEKISUI CHEMICAL CO., LTD.
    Inventors: Ryuta Tsunoda, Yasuyuki Izu
  • Publication number: 20160152007
    Abstract: There is provided an interlayer film for laminated glass with which any of the anti-glare property, light resistance and visibility in a dark place of laminated glass can be enhanced. The interlayer film for laminated glass according to the present invention includes a thermoplastic resin and has a ratio L?s/Ls of the relative scotopic vision luminance L?s to the relative photopic vision luminance Ls to be greater than or equal to 1.0 at the time of preparing laminated glass with two sheets of clear glass in accordance with JIS R3202 (1996), and the interlayer film for laminated glass according to the present invention preferably includes at least one kind of ingredient among a phthalocyanine compound, a naphthalocyanine compound, an anthracyanine compound and an indanthrene compound which have a maximum absorption wavelength greater than or equal to 550 nm and less than or equal to 750 nm.
    Type: Application
    Filed: June 13, 2014
    Publication date: June 2, 2016
    Inventors: Ryuta Tsunoda, Yasuyuki Izu
  • Patent number: 9291237
    Abstract: A power transmission belt having a body with a length, a width between laterally spaced sides, and a thickness between inside and outside surfaces. At least one load carrying member extends in a lengthwise direction. The body has a plurality of teeth spaced along at least one of the inside and outside of the body. The teeth have a width that decreases progressively from: a) a first location between the inside and outside surfaces; and b) one of the inside and outside surfaces so that the one surface has a width that is less than a width of the other surfaces. A cloth layer is applied to the one surface and is a multiwoven structure with interwoven: a) warp; and b) at least two different wefts.
    Type: Grant
    Filed: November 12, 2009
    Date of Patent: March 22, 2016
    Assignee: MITSUBOSHI BELTING LTD.
    Inventors: Yasuyuki Izu, Masakuni Yoshida, Hirofumi Okabe
  • Publication number: 20150258752
    Abstract: An object of the present invention is to provide an interlayer film for laminated glass which produces a high contrast image under light radiation, is less susceptible to color changes, and allows for control of the adhesion. Another object of the present invention is to provide a laminated glass including the interlayer film for laminated glass. The present invention provides an interlayer film for laminated glass which includes a light emitting layer containing a polyvinyl acetal, a light emitting material having a terephthalic acid ester structure, and a potassium salt.
    Type: Application
    Filed: September 30, 2013
    Publication date: September 17, 2015
    Inventors: Yuusuke Oota, Yasuyuki Izu, Daisuke Nakajima, Juichi Fukatani
  • Publication number: 20150251385
    Abstract: An object of the present invention is to provide an interlayer film for laminated glass which produces a high contrast image under light radiation, is less susceptible to color changes, and allows for control of the adhesion. Another object of the present invention is to provide a laminated glass including the interlayer film for laminated glass. The present invention provides an interlayer film for laminated glass which includes: a light emitting layer; and a first resin layer on or above one surface of the light emitting layer, the light emitting layer containing a polyvinyl acetal and a light emitting material having a terephthalic acid ester structure, and having a magnesium element concentration of 80 ppm or less, the first resin layer containing a polyvinyl acetal and an adhesion control agent.
    Type: Application
    Filed: September 30, 2013
    Publication date: September 10, 2015
    Inventors: Yuusuke Oota, Yasuyuki Izu, Daisuke Nakajima, Juichi Fukatani