Patents by Inventor Ryuta Tsunoda
Ryuta Tsunoda 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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Publication number: 20230211588Abstract: Provided is an interlayer film for laminated glass capable of suppressing generation of a gap in the interlayer film in end parts of the laminated glass although the interlayer film in which an increment in thickness is not constant from one end to the other end is used. An interlayer film for laminated glass according to the present invention contains a light stabilizer, and an oxidation inhibitor, and has one end, and the other end being at an opposite side of the one end and having a larger thickness than the one end, and the interlayer film for laminated glass has an increment not constant in thickness from the one end to the other end.Type: ApplicationFiled: May 25, 2021Publication date: July 6, 2023Applicant: SEKISUI CHEMICAL CO., LTD.Inventors: Kuon MINAMI, Hiromitsu NISHINO, Moyuru OKAJIMA, Ryuta TSUNODA
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Patent number: 11685143Abstract: Provided is an interlayer film for laminated glass with which double images in laminated glass can be significantly suppressed.Type: GrantFiled: March 29, 2018Date of Patent: June 27, 2023Assignee: SEKISUI CHEMICAL CO., LTD.Inventors: Yuusuke Oota, Ryuta Tsunoda
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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: 20230001671Abstract: Provided is an interlayer film for laminated glass with which double images in laminated glass can be significantly suppressed. An interlayer film for laminated glass according to the present invention has one end, and the other end having a larger thickness than the one end, the interlayer film has a region for display corresponding to a display region of a head-up display, and when first partial wedge angles ?1 are calculated in respective first partial regions of 80 mm in the direction connecting the one end and the other end centered at respective selected points, second partial wedge angles ?2 are calculated in respective second partial regions of 40 mm in the direction connecting the one end and the other end centered at respective selected points, and |?1-?2| is calculated from ?1 and ?2 in the first partial region and the second partial region centered at the same point in the direction connecting the one end and the other end, a maximum value among all values of |?1-?2| is 0.Type: ApplicationFiled: September 2, 2022Publication date: January 5, 2023Inventors: Yuusuke Oota, Ryuta Tsunoda
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Publication number: 20220403175Abstract: Provided is an interlayer film for laminated glass capable of enhancing the weatherability. The interlayer film for laminated glass according to the present invention contains an anthraquinone dye and a perinone dye.Type: ApplicationFiled: December 7, 2020Publication date: December 22, 2022Applicant: SEKISUI CHEMICAL CO., LTD.Inventors: Moyuru OKAJIMA, Reiko KISHIDA, Ryuta TSUNODA
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Patent number: 11433650Abstract: Provided is an interlayer film for laminated glass with which double images in laminated glass can be significantly suppressed. An interlayer film for laminated glass according to the present invention has one end, and the other end having a larger thickness than the one end, the interlayer film has a region for display corresponding to a display region of a head-up display, and when first partial wedge angles ?1 are calculated in respective first partial regions of 80 mm in the direction connecting the one end and the other end centered at respective selected points, second partial wedge angles ?2 are calculated in respective second partial regions of 40 mm in the direction connecting the one end and the other end centered at respective selected points, and |?1??2| is calculated from ?1 and ?2 in the first partial region and the second partial region centered at the same point in the direction connecting the one end and the other end, a maximum value among all values of |?1??2| is 0.Type: GrantFiled: March 29, 2018Date of Patent: September 6, 2022Assignee: SEKISUI CHEMICAL CO., LTD.Inventors: Yuusuke Oota, Ryuta Tsunoda
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Patent number: 11014339Abstract: There is provided an interlayer film for laminated glass with which the adhesive force between the interlayer film and a laminated glass member of the laminated glass can be effectively improved. The interlayer film for laminated glass according to the present invention has one-layer structure or a two or more-layer structure, is provided with a first layer containing a thermoplastic resin, a plasticizer and a metal element as a surface layer of the interlayer film, and the first layer is a first layer having a contact angle of greater than 40.1° when measured by a sessile drop method using diiodomethane or a first layer having a contact angle of greater than 54.2° when measured by a sessile drop method using ethylene glycol.Type: GrantFiled: March 31, 2015Date of Patent: May 25, 2021Assignee: SEKISUI CHEMICAL CO., LTD.Inventors: Kouhei Yamaguchi, Ryuta Tsunoda
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Publication number: 20210114353Abstract: Provided is an interlayer film for laminated glass with which double images in laminated glass can be significantly suppressed.Type: ApplicationFiled: March 29, 2018Publication date: April 22, 2021Inventors: Yuusuke Oota, Ryuta Tsunoda
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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: 10913244Abstract: There is provided an interlayer film for a laminated glass having improved appearance which has a MD and TD direction; and one end, and another end being opposite side of and thicker than the one end. The one end and other end are positioned on both sides of the interlayer film in the TD direction. When the distance between the one end and other end is X, the absolute value for the difference between the largest and smallest thermal shrinkage ratios from among three thermal shrinkage ratios is 15% or less. The three thermal shrinkage ratios are positioned from the one end towards the other end in MD direction with a first thermal shrinkage ratio at 150° C. at a first position at 0.05X, a second thermal shrinkage ratio at 150° C. at a second position at 0.5X, and a third thermal shrinkage ratio at 150° C. at a third position at 0.95X.Type: GrantFiled: September 28, 2016Date of Patent: February 9, 2021Assignee: SEKISUI CHEMICAL CO., LTD.Inventors: Yuusuke Oota, Ryuta Tsunoda, Hiromitsu Nishino
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Patent number: 10696020Abstract: There is provided an interlayer film for laminated glass with which a low yellow index value, low excitation purity and high heat shielding properties can be achieved in spite of the thickness varying with places. The interlayer film for laminated glass according to the present invention has a thickness of one end thinner than a thickness of the other end at the opposite side of the one end and includes a thermoplastic resin, an ultraviolet ray screening agent and tungsten oxide particles, and the ultraviolet ray screening agent is a benzotriazole-based ultraviolet ray screening agent.Type: GrantFiled: October 31, 2018Date of Patent: June 30, 2020Assignee: SEKISUI CHEMICAL CO., LTD.Inventors: Yuusuke Oota, Ryuta Tsunoda
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Patent number: 10596785Abstract: There is provided an interlayer film for laminated glass with which a low yellow index value, low excitation purity and high heat shielding properties can be achieved in spite of the thickness varying with places. The interlayer film for laminated glass according to the present invention has a two or more-layer structure, has a thickness of one end thinner than a thickness of the other end at the opposite side of the one end and includes a first layer containing a thermoplastic resin and a second layer containing a thermoplastic resin, the difference between the maximum thickness and the minimum thickness in the first layer is smaller than the difference between the maximum thickness and the minimum thickness in the second layer, and the first layer contains a heat shielding compound.Type: GrantFiled: September 28, 2015Date of Patent: March 24, 2020Assignee: SEKISUI CHEMICAL CO., LTD.Inventors: Yuusuke Oota, Ryuta Tsunoda
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Patent number: 10569509Abstract: 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: GrantFiled: April 7, 2015Date of Patent: February 25, 2020Assignee: SEKISUI CHEMICAL CO., LTD.Inventors: Ryuta Tsunoda, Yasuyuki Izu
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Publication number: 20200031099Abstract: 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: ApplicationFiled: September 30, 2019Publication date: January 30, 2020Inventors: Ryuta Tsunoda, Yasuyuki Izu
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Publication number: 20200016872Abstract: Provided is an interlayer film for laminated glass with which double images in laminated glass can be significantly suppressed. An interlayer film for laminated glass according to the present invention has one end, and the other end having a larger thickness than the one end, the interlayer film has a region for display corresponding to a display region of a head-up display, and when first partial wedge angles ?1 are calculated in respective first partial regions of 80 mm in the direction connecting the one end and the other end centered at respective selected points, second partial wedge angles ?2 are calculated in respective second partial regions of 40 mm in the direction connecting the one end and the other end centered at respective selected points, and |?1-?2| is calculated from ?1 and ?2 in the first partial region and the second partial region centered at the same point in the direction connecting the one end and the other end, a maximum value among all values of |?1-?2| is 0.Type: ApplicationFiled: March 29, 2018Publication date: January 16, 2020Inventors: Yuusuke Oota, Ryuta Tsunoda
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Patent number: 10442163Abstract: 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: GrantFiled: June 13, 2014Date of Patent: October 15, 2019Assignee: SEKISUI CHEMICAL CO., LTD.Inventors: Ryuta Tsunoda, Yasuyuki Izu
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Patent number: 10363721Abstract: 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: GrantFiled: June 13, 2014Date of Patent: July 30, 2019Assignee: SEKISUI CHEMICAL CO., LTD.Inventors: Ryuta Tsunoda, Yasuyuki Izu
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Patent number: 10252495Abstract: There is provided an interlayer film for laminated glass with which a low yellow index value, low excitation purity and high heat shielding properties can be achieved in spite of the thickness varying with places. The interlayer film for laminated glass according to the present invention has a thickness of one end thinner than a thickness of the other end at the opposite side of the one end and includes a thermoplastic resin, an ultraviolet ray screening agent and tungsten oxide particles, and the ultraviolet ray screening agent is a benzotriazole-based ultraviolet ray screening agent.Type: GrantFiled: September 28, 2015Date of Patent: April 9, 2019Assignee: SEKISUI CHEMICAL CO., LTD.Inventors: Yuusuke Oota, Ryuta Tsunoda
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Publication number: 20190061322Abstract: There is provided an interlayer film for laminated glass with which a low yellow index value, low excitation purity and high heat shielding properties can be achieved in spite of the thickness varying with places. The interlayer film for laminated glass according to the present invention has a thickness of one end thinner than a thickness of the other end at the opposite side of the one end and includes a thermoplastic resin, an ultraviolet ray screening agent and tungsten oxide particles, and the ultraviolet ray screening agent is a benzotriazole-based ultraviolet ray screening agent.Type: ApplicationFiled: October 31, 2018Publication date: February 28, 2019Inventors: Yuusuke Oota, Ryuta Tsunoda
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Publication number: 20180326706Abstract: There is provided an interlayer film for laminated glass with which double images can be effectively suppressed. The interlayer film for laminated glass according to the present invention has one end and the other end thicker in thickness than the one end, and has a region where the thickness is increased in a direction from one end side to the other end side and has a portion where the amount of increase in the thickness is increased in the direction from one end side to the other end side in the region where the thickness is increased, or has a region where the sectional shape in the thickness direction is a wedge-like shape and has a portion where the wedge angle is increased in a direction from one end side to the other end side in the region where the sectional shape in the thickness direction is a wedge-like shape.Type: ApplicationFiled: November 4, 2016Publication date: November 15, 2018Applicant: SEKISUI CHEMICAL CO., LTD.Inventors: Yuusuke Oota, Ryuta Tsunoda, Hiromitsu Nishino