Patents by Inventor Daizou Ii

Daizou Ii 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: 11826988
    Abstract: There is provided an inter layer film for laminated glass with which the flexural rigidity of laminated glass can be enhanced. The interlayer film for laminated glass according to the present invention has a one-layer structure or a two or more-layer structure and is provided with a first layer containing a polyvinyl acetal resin and a plasticizer, and the half-value width of the hydroxyl group of the polyvinyl acetal resin contained in the first layer is less than or equal to 250 cm?1 and the content of the plasticizer contained in the first layer relative to 100 parts by weight of the polyvinyl acetal resin contained in the first layer is greater than or equal to 5 parts by weight and less than 30 parts by weight, or the half-value width of the hydroxyl group of the polyvinyl acetal resin contained in the first layer is greater than 250 cm?1.
    Type: Grant
    Filed: February 10, 2021
    Date of Patent: November 28, 2023
    Assignee: SEKISUI CHEMICAL CO., LTD.
    Inventors: Tatsuya Iwamoto, Daizou Ii, Yuji Uchimura, Nami Minakuchi
  • Patent number: 11554574
    Abstract: There is provided an interlayer film for laminated glass with which the visibility can be made uniform over the whole area of laminated glass. The interlayer film for laminated glass according to the present invention contains a thermoplastic resin and a heat shielding compound and has one end and the other end being at the opposite side of the one end and having a thickness thicker than the one end, the absolute value of a difference between the thickness of a thickest portion and the thickness of a thinnest portion is 0.1 mm or more, and in a sheet of laminated glass prepared by sandwiching the interlayer film between two sheets of heat ray-absorbing plate glass with a thickness of 2.1 mm, the absolute value of a difference between the visible light transmittance at the thickest portion of the interlayer film and the visible light transmittance at the thinnest portion of the interlayer film is 4% or less.
    Type: Grant
    Filed: September 29, 2016
    Date of Patent: January 17, 2023
    Assignee: SEKISUI CHEMICAL CO., LTD.
    Inventors: Yuusuke Oota, Masaki Matsudou, Daizou Ii, Ryuta Tsunoda
  • Publication number: 20220194059
    Abstract: There is provided an interlayer film for laminated glass with which the haze value of laminated glass can be lowered and the releasability of a lamination glass member from the interlayer film can be made moderately high. The interlayer film for laminated glass according to the present invention is a single-layered interlayer film provided with only a first layer or is a multi-layered interlayer film provided with a first layer and another layer, the first layer contains no magnesium or contains magnesium in a content of 50 ppm or less and the first layer contains a phosphorus compound having a polyoxyalkylene group or a silane compound having a polyoxyalkylene group, the first layer contains heat shielding particles in the case of the interlayer film provided with only the first layer, and at least one layer in the interlayer film contains heat shielding particles in the case of the interlayer film provided with the first layer and another layer.
    Type: Application
    Filed: March 11, 2022
    Publication date: June 23, 2022
    Inventors: Shougo Yoshida, Yuusuke Oota, Masaki Yamamoto, Daizou Ii
  • Publication number: 20220152989
    Abstract: The present invention is a laminated glass having an average transmittance TA of 15% or less at a wavelength of 900 to 1300 nm through thereof from one face. According to the present invention, there can be provided a laminated glass by which monitoring can be properly carried out using infrared radiation even when an infrared monitoring system is introduced in various vehicles.
    Type: Application
    Filed: March 30, 2020
    Publication date: May 19, 2022
    Applicant: SEKISUI CHEMICAL CO., LTD.
    Inventors: Kazuhiko NAKAYAMA, Atsushi NOHARA, Daizou II
  • Publication number: 20220152990
    Abstract: The laminated glass of the present invention is a laminated glass comprising an infrared reflective layer, wherein an average reflectance R(A) at a wavelength of 900 to 1300 nm at an incident angle of 60° on one face is 20% or less. According to the present invention, even when an infrared reflective layer is provided in the laminated glass, infrared radiation incident on one face is prevented from being reflected on the infrared reflective layer, and monitoring accuracy in the infrared monitoring system is improved.
    Type: Application
    Filed: March 30, 2020
    Publication date: May 19, 2022
    Applicant: SEKISUI CHEMICAL CO., LTD.
    Inventors: Kazuhiko NAKAYAMA, Atsushi NOHARA, Daizou II
  • Publication number: 20220152991
    Abstract: The laminated glass of the present invention has a T/R rate (A) of larger than 1, the T/R rate (A) being calculated from the following formula (1): T/R rate (A)=log 10(TA/100)/log 10(RA/100)??(1) wherein an average transmittance at a wavelength of 900 to 1300 nm through one face is represented by TA, and a maximum reflectance at a wavelength of 900 to 1300 nm at an incident angle of 60° on the other face is represented by RA.
    Type: Application
    Filed: March 30, 2020
    Publication date: May 19, 2022
    Applicant: SEKISUI CHEMICAL CO., LTD.
    Inventors: Kazuhiko NAKAYAMA, Atsushi NOHARA, Daizou II
  • Patent number: 11276804
    Abstract: The light emitting structure of the present invention includes a sheet-shaped structure which absorbs excitation light and emits light with wavelength conversion and which has a maximum emission wavelength of 400 nm or more; and an antireflection material provided on a side surface of the sheet-shaped structure.
    Type: Grant
    Filed: September 27, 2018
    Date of Patent: March 15, 2022
    Assignee: SEKISUI CHEMICAL CO., LTD.
    Inventors: Shougo Yoshida, Yuusuke Oota, Yasuyuki Izu, Daizou Ii, Masaki Matsudou, Kinryou Chou, Daisuke Nakajima
  • Publication number: 20210162715
    Abstract: There is provided an inter layer film for laminated glass with which the flexural rigidity of laminated glass can be enhanced. The interlayer film for laminated glass according to the present invention has a one-layer structure or a two or more-layer structure and is provided with a first layer containing a polyvinyl acetal resin and a plasticizer, and the half-value width of the hydroxyl group of the polyvinyl acetal resin contained in the first layer is less than or equal to 250 cm?1 and the content of the plasticizer contained in the first layer relative to 100 parts by weight of the polyvinyl acetal resin contained in the first layer is greater than or equal to 5 parts by weight and less than 30 parts by weight, or the half-value width of the hydroxyl group of the polyvinyl acetal resin contained in the first layer is greater than 250 cm?1.
    Type: Application
    Filed: February 10, 2021
    Publication date: June 3, 2021
    Inventors: Tatsuya Iwamoto, Daizou Ii, Yuji Uchimura, Nami Minakuchi
  • Patent number: 10954356
    Abstract: Provided is an interlayer film for laminated glass which has high heat shielding properties, a high visible transmittance, and excellent light resistance which enables retention of the high visible transmittance for a long period of time. The interlayer film for laminated glass according to the present invention has an interlayer film for laminated glass with a single layer structure or a laminated structure of two or more layers, the interlayer film for laminated glass according to the present invention comprises a first layer, and the first layer contains a polyvinyl acetal resin; a plasticizer; a tungsten oxide particle; a magnesium salt of an organic acid having a branched structure; and a metal salt of a C2 to C8 organic acid, other than the magnesium salt of an organic acid having a branched structure.
    Type: Grant
    Filed: October 3, 2017
    Date of Patent: March 23, 2021
    Assignee: SEKISUI CHEMICAL CO., LTD.
    Inventors: Hirofumi Kitano, Juichi Fukatani, Daizou Ii, Ryuta Tsunoda
  • Patent number: 10946620
    Abstract: There is provided an interlayer film for laminated glass with which the flexural rigidity of laminated glass can be enhanced. The interlayer film for laminated glass according to the present invention has a one-layer structure or a two or more-layer structure and is provided with a first layer containing a polyvinyl acetal resin and a plasticizer, and the half-value width of the hydroxyl group of the polyvinyl acetal resin contained in the first layer is less than or equal to 250 cm?1 and the content of the plasticizer contained in the first layer relative to 100 parts by weight of the polyvinyl acetal resin contained in the first layer is greater than or equal to 5 parts by weight and less than 30 parts by weight, or the half-value width of the hydroxyl group of the polyvinyl acetal resin contained in the first layer is greater than 250 cm?1.
    Type: Grant
    Filed: January 15, 2015
    Date of Patent: March 16, 2021
    Assignee: SEKISUI CHEMICAL CO., LTD.
    Inventors: Tatsuya Iwamoto, Daizou Ii, Yuji Uchimura, Nami Minakuchi
  • Patent number: 10766230
    Abstract: There is provided laminated glass which is high in heat shielding properties. The laminated glass according to the present invention is provided with a first laminated glass member, a second laminated glass member and an interlayer film arranged between the first and second laminated glass members; the interlayer film is provided with an infrared ray reflection layer which reflects infrared rays, a first resin layer which is arranged on a first surface side of the infrared ray reflection layer and contains a thermoplastic resin, and a second resin layer which is arranged on a second surface side of the infrared ray reflection layer and contains a thermoplastic resin; and the infrared ray transmittance in the wavelength of 780 to 2100 nm of the whole layer composed of the first laminated glass member and the first resin layer is higher than the infrared ray transmittance in the wavelength of 780 to 2100 nm of the whole layer composed of the first laminated glass member and the second resin layer.
    Type: Grant
    Filed: May 3, 2019
    Date of Patent: September 8, 2020
    Assignee: SEKISUI CHEMICAL CO., LTD.
    Inventors: Izumi Ohmoto, Daisuke Nakajima, Daizou Ii, Juichi Fukatani
  • Publication number: 20200274014
    Abstract: The present invention provides a solar cell system for generating electricity by absorbing sunlight, comprising a sheet-shaped structure comprising a wavelength conversion material and a power generation cell disposed in a peripheral area of the sheet-shaped structure, wherein the wavelength conversion material has an average particle diameter of 10 to 400 nm and a maximum emission wavelength of 500 nm or more. The present invention also provides a sheet-shaped structure used for a solar cell system, comprising a wavelength conversion material having an average particle diameter of 10 to 400 nm and a maximum emission wavelength of 500 nm or more.
    Type: Application
    Filed: September 27, 2018
    Publication date: August 27, 2020
    Applicant: SEKISUI CHEMICAL CO., LTD.
    Inventors: Yuusuke OOTA, Shougo YOSHIDA, Masaki MATSUDOU, Daizou II, Yasuyuki IZU, Daisuke NAKAJIMA, Kinryou CHOU
  • Publication number: 20200259030
    Abstract: A solar cell system for generating electricity by absorbing sunlight, comprising a laminated structure and a power generation cell disposed in a peripheral area of the laminated structure, wherein, in the laminated structure, a transparent sheet member comprising a wavelength conversion material and a first transparent sheet are laminated, a maximum emission wavelength of the wavelength conversion material is 780 nm or more, and a refractive index na1 of the first transparent sheet is higher than a refractive index nb of the transparent sheet member. According to the present invention, can provide a solar cell system including a power generation cell and a transparent layer capable of efficiently guiding light to a side surface, wherein, inside the transparent layer, light having been incident on a surface of the transparent layer is converted into light with a long wavelength, such as near infrared radiation.
    Type: Application
    Filed: September 27, 2018
    Publication date: August 13, 2020
    Applicant: SEKISUI CHEMICAL CO., LTD.
    Inventors: Yuusuke OOTA, Shougo YOSHIDA, Masaki MATSUDOU, Daizou II, Yasuyuki IZU, Daisuke NAKAJIMA, Kinryou CHOU
  • Publication number: 20200243724
    Abstract: The light emitting structure of the present invention includes a sheet-shaped structure which absorbs excitation light and emits light with wavelength conversion and which has a maximum emission wavelength of 400 nm or more; and an antireflection material provided on a side surface of the sheet-shaped structure.
    Type: Application
    Filed: September 27, 2018
    Publication date: July 30, 2020
    Applicant: SEKISUI CHEMICAL CO., LTD.
    Inventors: Shougo YOSHIDA, Yuusuke OOTA, Yasuyuki IZU, Daizou II, Masaki MATSUDOU, Kinryou CHOU, Daisuke NAKAJIMA
  • Publication number: 20200227579
    Abstract: The laminated structure of the present invention includes a sheet-shaped member and first and second transparent sheets provided on both sides, respectively, of the sheet-shaped member, wherein the sheet-shaped member absorbs excitation light and emits light with wavelength conversion, and has a maximum emission wavelength of 500 nm or more, and a reflectance that is measured for the laminated structure at the maximum emission wavelength is 30% or more.
    Type: Application
    Filed: September 27, 2018
    Publication date: July 16, 2020
    Applicant: SEKISUI CHEMICAL CO., LTD.
    Inventors: Shougo YOSHIDA, Yuusuke OOTA, Yasuyuki IZU, Daizou II, Masaki MATSUDOU, Kinryou CHOU, Daisuke NAKAJIMA, Atsushi NOHARA
  • Patent number: 10654250
    Abstract: There is provided an interlayer film for laminated glass which is high in heat shielding properties. The intermediate film for laminated glass according to the present invention is provided with an infrared ray reflection layer which reflects infrared rays, a first resin layer which is arranged on a first surface side of the infrared ray reflection layer and contains a thermoplastic resin, and a second resin layer which is arranged on a second surface side of the infrared ray reflection layer and contains a thermoplastic resin; and the infrared ray transmittance in the wavelength of 780 to 2100 nm of the first resin layer is higher than the infrared ray transmittance in the wavelength of 780 to 2100 nm of the second resin layer.
    Type: Grant
    Filed: July 31, 2013
    Date of Patent: May 19, 2020
    Assignee: SEKISUI CHEMICAL CO., LTD.
    Inventors: Izumi Ohmoto, Daisuke Nakajima, Daizou Ii, Juichi Fukatani
  • Publication number: 20190351656
    Abstract: Provided is an interlayer film for laminated glass with which a void is difficult to be formed in an end part of laminated glass, and deterioration in transparency of laminated glass can be suppressed. An interlayer film for laminated glass according to the present invention has a one-layer structure or a two or more-layer structure, the interlayer film for laminated glass contains a polyvinyl acetal resin, a plasticizer, an oxidation inhibitor, and an ultraviolet absorber, and a spectral transmittance of a pressed interlayer film when the interlayer film for laminated glass is pressed to a thickness of 3% of a thickness before pressing to obtain the pressed interlayer film is 60% or more at a wavelength of 380 nm, 40% or less at a wavelength of 350 nm, and 38% or less at a wavelength of 320 nm.
    Type: Application
    Filed: February 9, 2018
    Publication date: November 21, 2019
    Inventors: Daizou Ii, Shougo Yoshida
  • Patent number: 10414130
    Abstract: There is provided laminated glass which is high in heat shielding properties. The laminated glass according to the present invention is provided with a first laminated glass member, a second laminated glass member and an interlayer film arranged between the first and second laminated glass members; the interlayer film is provided with an infrared ray reflection layer which reflects infrared rays, a first resin layer which is arranged on a first surface side of the infrared ray reflection layer and contains a thermoplastic resin, and a second resin layer which is arranged on a second surface side of the infrared ray reflection layer and contains a thermoplastic resin; and the infrared ray transmittance in the wavelength of 780 to 2100 nm of the whole layer composed of the first laminated glass member and the first resin layer is higher than the infrared ray transmittance in the wavelength of 780 to 2100 nm of the whole layer composed of the first laminated glass member and the second resin layer.
    Type: Grant
    Filed: July 31, 2013
    Date of Patent: September 17, 2019
    Assignee: SEKISUI CHEMICAL CO., LTD.
    Inventors: Izumi Ohmoto, Daisuke Nakajima, Daizou Ii, Juichi Fukatani
  • Publication number: 20190255814
    Abstract: There is provided laminated glass which is high in heat shielding properties. The laminated glass according to the present invention is provided with a first laminated glass member, a second laminated glass member and an interlayer film arranged between the first and second laminated glass members; the interlayer film is provided with an infrared ray reflection layer which reflects infrared rays, a first resin layer which is arranged on a first surface side of the infrared ray reflection layer and contains a thermoplastic resin, and a second resin layer which is arranged on a second surface side of the infrared ray reflection layer and contains a thermoplastic resin; and the infrared ray transmittance in the wavelength of 780 to 2100 nm of the whole layer composed of the first laminated glass member and the first resin layer is higher than the infrared ray transmittance in the wavelength of 780 to 2100 nm of the whole layer composed of the first laminated glass member and the second resin layer.
    Type: Application
    Filed: May 3, 2019
    Publication date: August 22, 2019
    Inventors: Izumi Ohmoto, Daisuke Nakajima, Daizou Ii, Juichi Fukatani
  • Patent number: 10363720
    Abstract: There is provided laminated glass which is high in heat shielding properties. The laminated glass according to the present invention is provided with a first laminated glass member, a second laminated glass member and an interlayer film arranged between the first and second laminated glass members; the interlayer film is provided with an infrared ray reflection layer which reflects infrared rays, a first resin layer which is arranged on a first surface side of the infrared ray reflection layer and contains a thermoplastic resin, and a second resin layer which is arranged on a second surface side of the infrared ray reflection layer and contains a thermoplastic resin; and the infrared ray transmittance in the wavelength of 780 to 2100 nm of the whole layer composed of the first laminated glass member and the first resin layer is higher than the infrared ray transmittance in the wavelength of 780 to 2100 nm of the whole layer composed of the first laminated glass member and the second resin layer.
    Type: Grant
    Filed: July 31, 2013
    Date of Patent: July 30, 2019
    Assignee: SEKISUI CHEMICAL CO., LTD.
    Inventors: Izumi Ohmoto, Daisuke Nakajima, Daizou Ii, Juichi Fukatani