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).
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Patent number: 11826988Abstract: 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: GrantFiled: February 10, 2021Date of Patent: November 28, 2023Assignee: SEKISUI CHEMICAL CO., LTD.Inventors: Tatsuya Iwamoto, Daizou Ii, Yuji Uchimura, Nami Minakuchi
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Patent number: 11554574Abstract: 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: GrantFiled: September 29, 2016Date of Patent: January 17, 2023Assignee: SEKISUI CHEMICAL CO., LTD.Inventors: Yuusuke Oota, Masaki Matsudou, Daizou Ii, Ryuta Tsunoda
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Publication number: 20220194059Abstract: 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: ApplicationFiled: March 11, 2022Publication date: June 23, 2022Inventors: Shougo Yoshida, Yuusuke Oota, Masaki Yamamoto, Daizou Ii
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Publication number: 20220152989Abstract: 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: ApplicationFiled: March 30, 2020Publication date: May 19, 2022Applicant: SEKISUI CHEMICAL CO., LTD.Inventors: Kazuhiko NAKAYAMA, Atsushi NOHARA, Daizou II
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Publication number: 20220152990Abstract: 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: ApplicationFiled: March 30, 2020Publication date: May 19, 2022Applicant: SEKISUI CHEMICAL CO., LTD.Inventors: Kazuhiko NAKAYAMA, Atsushi NOHARA, Daizou II
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Publication number: 20220152991Abstract: 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: ApplicationFiled: March 30, 2020Publication date: May 19, 2022Applicant: SEKISUI CHEMICAL CO., LTD.Inventors: Kazuhiko NAKAYAMA, Atsushi NOHARA, Daizou II
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Patent number: 11276804Abstract: 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: GrantFiled: September 27, 2018Date of Patent: March 15, 2022Assignee: SEKISUI CHEMICAL CO., LTD.Inventors: Shougo Yoshida, Yuusuke Oota, Yasuyuki Izu, Daizou Ii, Masaki Matsudou, Kinryou Chou, Daisuke Nakajima
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Publication number: 20210162715Abstract: 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: ApplicationFiled: February 10, 2021Publication date: June 3, 2021Inventors: Tatsuya Iwamoto, Daizou Ii, Yuji Uchimura, Nami Minakuchi
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Patent number: 10954356Abstract: 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: GrantFiled: October 3, 2017Date of Patent: March 23, 2021Assignee: SEKISUI CHEMICAL CO., LTD.Inventors: Hirofumi Kitano, Juichi Fukatani, Daizou Ii, Ryuta Tsunoda
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Patent number: 10946620Abstract: 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: GrantFiled: January 15, 2015Date of Patent: March 16, 2021Assignee: SEKISUI CHEMICAL CO., LTD.Inventors: Tatsuya Iwamoto, Daizou Ii, Yuji Uchimura, Nami Minakuchi
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Patent number: 10766230Abstract: 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: GrantFiled: May 3, 2019Date of Patent: September 8, 2020Assignee: SEKISUI CHEMICAL CO., LTD.Inventors: Izumi Ohmoto, Daisuke Nakajima, Daizou Ii, Juichi Fukatani
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Publication number: 20200274014Abstract: 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: ApplicationFiled: September 27, 2018Publication date: August 27, 2020Applicant: SEKISUI CHEMICAL CO., LTD.Inventors: Yuusuke OOTA, Shougo YOSHIDA, Masaki MATSUDOU, Daizou II, Yasuyuki IZU, Daisuke NAKAJIMA, Kinryou CHOU
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Publication number: 20200259030Abstract: 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: ApplicationFiled: September 27, 2018Publication date: August 13, 2020Applicant: SEKISUI CHEMICAL CO., LTD.Inventors: Yuusuke OOTA, Shougo YOSHIDA, Masaki MATSUDOU, Daizou II, Yasuyuki IZU, Daisuke NAKAJIMA, Kinryou CHOU
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Publication number: 20200243724Abstract: 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: ApplicationFiled: September 27, 2018Publication date: July 30, 2020Applicant: SEKISUI CHEMICAL CO., LTD.Inventors: Shougo YOSHIDA, Yuusuke OOTA, Yasuyuki IZU, Daizou II, Masaki MATSUDOU, Kinryou CHOU, Daisuke NAKAJIMA
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Publication number: 20200227579Abstract: 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: ApplicationFiled: September 27, 2018Publication date: July 16, 2020Applicant: SEKISUI CHEMICAL CO., LTD.Inventors: Shougo YOSHIDA, Yuusuke OOTA, Yasuyuki IZU, Daizou II, Masaki MATSUDOU, Kinryou CHOU, Daisuke NAKAJIMA, Atsushi NOHARA
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Patent number: 10654250Abstract: 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: GrantFiled: July 31, 2013Date of Patent: May 19, 2020Assignee: SEKISUI CHEMICAL CO., LTD.Inventors: Izumi Ohmoto, Daisuke Nakajima, Daizou Ii, Juichi Fukatani
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Publication number: 20190351656Abstract: 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: ApplicationFiled: February 9, 2018Publication date: November 21, 2019Inventors: Daizou Ii, Shougo Yoshida
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Patent number: 10414130Abstract: 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: GrantFiled: July 31, 2013Date of Patent: September 17, 2019Assignee: SEKISUI CHEMICAL CO., LTD.Inventors: Izumi Ohmoto, Daisuke Nakajima, Daizou Ii, Juichi Fukatani
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Publication number: 20190255814Abstract: 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: ApplicationFiled: May 3, 2019Publication date: August 22, 2019Inventors: Izumi Ohmoto, Daisuke Nakajima, Daizou Ii, Juichi Fukatani
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Patent number: 10363720Abstract: 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: GrantFiled: July 31, 2013Date of Patent: July 30, 2019Assignee: SEKISUI CHEMICAL CO., LTD.Inventors: Izumi Ohmoto, Daisuke Nakajima, Daizou Ii, Juichi Fukatani