Patents by Inventor Kosuke Saeki
Kosuke Saeki 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: 11973155Abstract: To provide a sealing material sheet for a solar-cell module that has high productivity, and can also suppress unevenness in thickness at the time of integration as a solar-cell module. There is provided a sealing material sheet 1 in which there are two inflection point temperatures that are temperatures only around which a change rate of the linear expansion coefficient locally increases, a first inflection point temperature at a low temperature side of two inflection point temperatures is within a range of 55° C. to 70° C., and a second inflection point at a high temperature side of the inflection point temperatures is within a range of 80° C. to 95° C.Type: GrantFiled: July 18, 2022Date of Patent: April 30, 2024Assignee: DAI NIPPON PRINTING CO., LTD.Inventors: Kosuke Saeki, Shinya Yoneda, Jun Tanaka, Hiroaki Tamaki, Shinsuke Nagino, Naohiro Obonai
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Publication number: 20230099082Abstract: To provide a sealing material sheet for a solar-cell module that has high productivity without performing crosslinking processing, and has a high tensile shear adhesion force at normal temperature at a high level in addition to heat resistance and molding characteristics. A sealing material sheet is a multi-layer sheet using a polyethylene-based resin as a base resin, a core layer has a density of 0.880 g/cm3 to 0.895 g/cm3 and a melting point of 70° C. or higher, a skin layer has a density of 0.880 g/cm3 to 0.910 g/cm3 and a melting point of 90° C. or lower and contains a silane-modified polyethylene-based resin, a weight average molecular weight of the silane-modified polyethylene-based resin contained in the skin layer 11 in terms of polystyrene is 70000 to 120000, and a polymerized silane amount of the skin layer in the whole resin component is 300 ppm to 2000 ppm.Type: ApplicationFiled: October 3, 2022Publication date: March 30, 2023Applicant: DAI NIPPON PRINTING CO., LTD.Inventors: Kosuke SAEKI, Shinya YONEDA, Jun TANAKA, Hiroaki TAMAKI, Shinsuke NAGINO, Naohiro OBONAI
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Publication number: 20230090231Abstract: The present disclosure is directed to providing a self-adhesive foamed laminate sheet which is excellent in air escapability even after exposure to heat and pressure. The self-adhesive foamed laminate sheet of the present disclosure includes a synthetic paper substrate and a self-adhesive foamed sheet. The self-adhesive foamed sheet is formed from a composition for a self-adhesive foamed sheet including a polymer, a crosslinking agent, and a wax agent.Type: ApplicationFiled: February 15, 2021Publication date: March 23, 2023Applicants: ZEON CORPORATION, YUPO CORPORATIONInventors: Shunsuke NISHIMURA, Kosuke SAEKI, Tamio SHIKANO
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Publication number: 20220352404Abstract: To provide a sealing material sheet for a solar-cell module that has high productivity, and can also suppress unevenness in thickness at the time of integration as a solar-cell module. There is provided a sealing material sheet 1 in which there are two inflection point temperatures that are temperatures only around which a change rate of the linear expansion coefficient locally increases, a first inflection point temperature at a low temperature side of two inflection point temperatures is within a range of 55° C. to 70° C., and a second inflection point at a high temperature side of the inflection point temperatures is within a range of 80° C. to 95° C.Type: ApplicationFiled: July 18, 2022Publication date: November 3, 2022Applicant: DAI NIPPON PRINTING CO., LTD.Inventors: Kosuke SAEKI, Shinya YONEDA, Jun TANAKA, Hiroaki TAMAKI, Shinsuke NAGINO, Naohiro OBONAI
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Patent number: 11393941Abstract: To provide a sealing material sheet for a solar-cell module that has high productivity, and can also suppress unevenness in thickness at the time of integration as a solar-cell module. There is provided a sealing material sheet 1 in which there are two inflection point temperatures that are temperatures only around which a change rate of the linear expansion coefficient locally increases, a first inflection point temperature at a low temperature side of two inflection point temperatures is within a range of 55° C. to 70° C., and a second inflection point at a high temperature side of the inflection point temperatures is within a range of 80° C. to 95° C.Type: GrantFiled: April 11, 2019Date of Patent: July 19, 2022Assignee: DAI NIPPON PRINTING CO., LTD.Inventors: Kosuke Saeki, Shinya Yoneda, Jun Tanaka, Hiroaki Tamaki, Shinsuke Nagino, Naohiro Obonai
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Publication number: 20200328316Abstract: To provide a sealing material sheet for a solar-cell module that has high productivity, and can also suppress unevenness in thickness at the time of integration as a solar-cell module. There is provided a sealing material sheet 1 in which there are two inflection point temperatures that are temperatures only around which a change rate of the linear expansion coefficient locally increases, a first inflection point temperature at a low temperature side of two inflection point temperatures is within a range of 55° C. to 70° C., and a second inflection point at a high temperature side of the inflection point temperatures is within a range of 80° C. to 95° C.Type: ApplicationFiled: April 11, 2019Publication date: October 15, 2020Applicant: DAI NIPPON PRINTING CO., LTD.Inventors: Kosuke SAEKI, Shinya YONEDA, Jun TANAKA, Hiroaki TAMAKI, Shinsuke NAGINO, Naohiro OBONAI
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Publication number: 20200328317Abstract: To provide a sealing material sheet for a solar-cell module that has high productivity without performing crosslinking processing, and has a high tensile shear adhesion force at normal temperature at a high level in addition to heat resistance and molding characteristics. A sealing material sheet is a multi-layer sheet using a polyethylene-based resin as a base resin, a core layer 11 has a density of 0.880 g/cm3 to 0.930 g/cm3 and a melting point of 70° C. or higher, a skin layer 12 has a density of 0.880 g/cm3 to 0.900 g/cm3 and a melting point of 90° C. or lower and contains a silane-modified polyethylene-based resin, a weight average molecular weight of the silane-modified polyethylene-based resin contained in the skin layer 12 in terms of polystyrene is 70000 to 120000, and a polymerized silane amount of the skin layer 12 in the whole resin component is 300 ppm to 2000 ppm.Type: ApplicationFiled: April 11, 2019Publication date: October 15, 2020Applicant: DAI NIPPON PRINTING CO., LTD.Inventors: Kosuke SAEKI, Shinya YONEDA, Jun TANAKA, Hiroaki TAMAKI, Shinsuke NAGINO, Naohiro OBONAI
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Patent number: 9570642Abstract: Provided is a sealing material sheet for solar cell modules, which is obtained by irradiating a polyethylene resin with ionizing radiation and has high transparency, heat resistance and adhesion at the same time. This sealing material sheet for solar cell modules contains a low density polyethylene having a density of 0.900 g/cm3 or less, while having a gel fraction of from 0% to 40% (inclusive) and a degree of dispersity (Mw/Mn), which is the ratio of the weight average molecular weight (Mw) to the number average molecular weight (Mn) in terms of polystyrene, of from 2.5 to 3.5 (inclusive).Type: GrantFiled: December 3, 2012Date of Patent: February 14, 2017Assignee: Dai Nippon Printing Co., Ltd.Inventors: Hideki Matsui, Kosuke Saeki, Yasushi Shirahige, Noritoshi Akazawa, Toshio Yoshihara
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Patent number: 9147784Abstract: The present invention provides a crosslinked polyethylene sealing material sheet for a solar-cell module offering exceptional heat resistance, wherein the sealing material sheet is provided with high metal-adhesion performance. A sealing material sheet for a solar-cell module comprises a sealing material sheet composition for a solar-cell module containing a polyethylene resin in a concentration of 0.900 g/cm3 or less, glycidyl methacrylate (GMA), a radical polymerization initiator, and triallyl isocyanurate (TAIC), wherein the GMA content of the sealing material sheet is 0.15 to 3.0% by mass, the TAIC content of the sealing material sheet is 0.15 to 3.0% by mass, and the radical polymerization initiator content of the sealer is 0.01 to 2.5% by mass.Type: GrantFiled: March 28, 2013Date of Patent: September 29, 2015Assignee: DAI NIPPON PRINTING CO., LTD.Inventors: Yasushi Shirahige, Kosuke Saeki, Hidenori Asai, Toshio Yoshihara
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Publication number: 20150083207Abstract: The present invention provides a crosslinked polyethylene sealing material sheet for a solar-cell module offering exceptional heat resistance, wherein the sealing material sheet is provided with high metal-adhesion performance. A sealing material sheet for a solar-cell module comprises a sealing material sheet composition for a solar-cell module containing a polyethylene resin in a concentration of 0.900 g/cm3 or less, glycidyl methacrylate (GMA), a radical polymerization initiator, and triallyl isocyanurate (TAIC), wherein the GMA content of the sealing material sheet is 0.15 to 3.0% by mass, the TAIC content of the sealing material sheet is 0.15 to 3.0% by mass, and the radical polymerization initiator content of the sealer is 0.01 to 2.5% by mass.Type: ApplicationFiled: March 28, 2013Publication date: March 26, 2015Inventors: Yasushi Shirahige, Kosuke Saeki, Hidenori Assai, Toshio Yoshihara
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Publication number: 20140311557Abstract: Provided is a sealing material sheet for solar cell modules, which is obtained by irradiating a polyethylene resin with ionizing radiation and has high transparency, heat resistance and adhesion at the same time. This sealing material sheet for solar cell modules contains a low density polyethylene having a density of 0.900 g/cm3 or less, while having a gel fraction of from 0% to 40% (inclusive) and a degree of dispersity (Mw/Mn), which is the ratio of the weight average molecular weight (Mw) to the number average molecular weight (Mn) in terms of polystyrene, of from 2.5 to 3.5 (inclusive).Type: ApplicationFiled: December 3, 2012Publication date: October 23, 2014Inventors: Hideki Matsui, Kosuke Saeki, Yasushi Shirahige, Noritoshi Akazawa, Toshio Yoshihara