Patents by Inventor Yo Miyashita
Yo Miyashita 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: 10062795Abstract: A solar cell encapsulant sheet including a resin layer (S) formed of a resin composition containing an olefine-based resin, wherein the storage elastic modulus at 25° C. of the resin layer (S) is 200 MPa or less, at least one surface of the resin layer (S) is the sheet surface of the encapsulant sheet, and the sheet surface satisfies the following requirements (a), (b) and (c): (a) the dynamic friction coefficient on a tempered white glass plate is 1.5 or less, (b) the surface roughness Rzjis is from 0.1 to 50 ?m, and (c) the static friction coefficient on a tempered white glass plate is 1.5 or less.Type: GrantFiled: February 5, 2013Date of Patent: August 28, 2018Assignee: DAI NIPPON PRINTING CO., LTD.Inventors: Jun Nishioka, Kouichirou Taniguchi, Yo Miyashita, Michiko Otsuka, Shinya Fukuda
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Patent number: 9923110Abstract: A solar cell module having a good appearance after lamination and a method for producing such a solar cell module are provided by specifying the combination guideline for encapsulants capable of bettering the appearance after lamination. The solar cell module contains an upper protective material (A), an encapsulant (B) for use on the side of the upper protective material (A), a solar cell device (C), an encapsulant (D) for use on the side of a back sheet (E), and the back sheet (E), wherein the encapsulant (B) and the encapsulant (D) satisfy the following requirement (P), and the production method produces the solar cell module. Requirement (P): The flow beginning temperature (TB) (° C.) of the encapsulant (B) and the flow beginning temperature (TD) (° C.) of the encapsulant (D), as measured under a load of 1 kgf/cm2, have the following relationship: TB?TD>0 (° C.).Type: GrantFiled: April 2, 2013Date of Patent: March 20, 2018Assignee: DAI NIPPON PRINTING CO., LTD.Inventors: Kouichirou Taniguchi, Shinya Fukuda, Jun Nishioka, Michiko Otsuka, Yo Miyashita
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Publication number: 20150155408Abstract: A solar cell module having a good appearance after lamination and a method for producing such a solar cell module are provided by specifying the combination guideline for encapsulants capable of bettering the appearance after lamination. The solar cell module contains an upper protective material (A), an encapsulant (B) for use on the side of the upper protective material (A), a solar cell device (C), an encapsulant (D) for use on the side of a back sheet (E), and the back sheet (E), wherein the encapsulant (B) and the encapsulant (D) satisfy the following requirement (P), and the production method produces the solar cell module. Requirement (P): The flow beginning temperature (TB) (° C.) of the encapsulant (B) and the flow beginning temperature (TD) (° C.) of the encapsulant (D), as measured under a load of 1 kgf/cm2, have the following relationship: TB?TD>0 (° C.Type: ApplicationFiled: April 2, 2013Publication date: June 4, 2015Applicant: MITSUBISHI PLASTICS, INC.Inventors: Kouichirou Taniguchi, Shinya Fukuda, Jun Nishioka, Michiko Otsuka, Yo Miyashita
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Publication number: 20140360573Abstract: A solar cell encapsulant sheet including a resin layer (S) formed of a resin composition containing an olefine-based resin, wherein the storage elastic modulus at 25° C. of the resin layer (S) is 200 MPa or less, at least one surface of the resin layer (S) is the sheet surface of the encapsulant sheet, and the sheet surface satisfies the following requirements (a), (b) and (c): (a) the dynamic friction coefficient on a tempered white glass plate is 1.5 or less, (b) the surface roughness Rzjis is from 0.1 to 50 ?m, and (c) the static friction coefficient on a tempered white glass plate is 1.5 or less.Type: ApplicationFiled: February 5, 2013Publication date: December 11, 2014Applicant: MITSUBISHI PLASTICS, INC.Inventors: Jun Nishioka, Kouichirou Taniguchi, Yo Miyashita, Michiko Otsuka, Shinya Fukuda
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Publication number: 20140360560Abstract: Provided are a solar cell module produced by laminating at least a back sheet (A) and an encapsulant (B), in which the condition of the lamination can be easily set and which has a good appearance after lamination, and a method for producing such a solar cell module. The solar cell module in which the ratio (?(A)/G?(B)) of a shrinkage stress (?(A)) (Pa) of the back sheet (A) and a shear elastic modulus (G?(B)) (Pa) of the encapsulant (B) at a preset lamination temperature is 60.0 or less, wherein the shrinkage stress (?(A)) of the back sheet (A) is a measured value (Pa) for the back sheet (A) at the preset lamination temperature, and the shear elastic modulus (G?(B)) of the encapsulant (B) is a measured value (Pa) for the encapsulant (B) at an oscillation frequency of 1 Hz at the preset lamination temperature.Type: ApplicationFiled: January 10, 2013Publication date: December 11, 2014Applicant: MITSUBISHI PLASTICS, INC.Inventors: Kouichirou Taniguchi, Michiko Otsuka, Shinya Fukuda, Jun Nishioka, Yo Miyashita
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Patent number: 8865835Abstract: There is provided an encapsulant material for solar cells which facilitates production of a solar cell module and is excellent in flexibility, heat resistance, transparency, etc., and a solar cell module produced using the encapsulant material. The present invention relates to an encapsulant material for solar cells which includes a resin composition (C) containing an ethylene-?-olefin random copolymer (A) capable of satisfying the following condition (a) and an ethylene-?-olefin block copolymer (B) capable of satisfying the following condition (b): (a) a heat of crystal fusion is from 0 to 70 J/g as measured in differential scanning calorimetry at a heating rate of 10° C./min; and (b) a crystal fusion peak temperature is 100° C. or higher and a heat of crystal fusion is from 5 to 70 J/g as measured in differential scanning calorimetry at a heating rate of 10° C./min.Type: GrantFiled: July 16, 2010Date of Patent: October 21, 2014Assignee: Mitsubishi Plastics, Inc.Inventors: Kouichirou Taniguchi, Jun Nishioka, Ryota Yamamoto, Yo Miyashita
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Publication number: 20130206214Abstract: Provided is a cover film for solar cells, with which solar cell modules are easy to produce, which comprises an encapsulant resin layer excellent in softness, transparency and heat resistance, and a weather-resistant layer excellent in weather resistance, moisture proofness, transparency and heat resistance and having high adhesiveness to the encapsulant resin layer, and is therefore excellent in handleability, and which is effective for reducing the weight of solar cell modules and for enhancing the impact resistance and the durability thereof; and also provided is a solar cell module produced by the use of the cover film for solar cells. Disclosed is production of a cover film for solar cells by laminating weather-resistant layer or a surface protective layer, and an encapsulant resin layer comprising a resin composition that contains an ethylene-a-olefin random copolymer and an ethylene-?-olefin block copolymer both having specific thermal properties.Type: ApplicationFiled: July 28, 2011Publication date: August 15, 2013Applicant: MITSUBISHI PLASTICS, INC.Inventors: Osamu Akaike, Kouichirou Taniguchi, Michiko Otsuka, Jun Nishioka, Tetsuya Aya, Yo Miyashita, Ryota Yamamoto
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Publication number: 20120097220Abstract: Provided are a sheet for a solar cell of a monolayer construction or a multilayer construction based on a polyphenylene ether-based resin layer formed of a resin composition using a polyphenylene ether as a main component, which has excellent durability, excellent flame retardancy, excellent dimensional stability and high adhesiveness with a encapsulating resin layer or the like, and a solar cell module obtained by providing the sheet for a solar cell.Type: ApplicationFiled: April 28, 2010Publication date: April 26, 2012Applicant: MITSUBISHI PLASTICS, INC.Inventors: Yo Miyashita, Jun Nishioka, Kouichirou Taniguchi, Chiharu Okawara, Shigenobu Yoshida, Michiko Otsuka, Kazuhiko Kitayama
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Publication number: 20110303264Abstract: There is provided an encapsulant material for solar cells which facilitates production of a solar cell module and is excellent in flexibility, heat resistance, transparency, etc., and a solar cell module produced using the encapsulant material. The present invention relates to an encapsulant material for solar cells which includes a resin composition (C) containing an ethylene-?-olefin random copolymer (A) capable of satisfying the following condition (a) and an ethylene-?-olefin block copolymer (B) capable of satisfying the following condition (b): (a) a heat of crystal fusion is from 0 to 70 J/g as measured in differential scanning calorimetry at a heating rate of 10° C./min; and (b) a crystal fusion peak temperature is 100° C. or higher and a heat of crystal fusion is from 5 to 70 J/g as measured in differential scanning calorimetry at a heating rate of 10° C./min.Type: ApplicationFiled: July 16, 2010Publication date: December 15, 2011Applicant: MITSUBISHI PLASTICS, INC.Inventors: Kouichirou Taniguchi, Jun Nishioka, Ryota Yamamoto, Yo Miyashita