Patents by Inventor Naoto IMADA
Naoto IMADA 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: 11581455Abstract: First, first cell wiring members from the first solar cell and second cell wiring members from the second solar cell are sandwiched between a wiring member film and a second bridge wiring member. Subsequently, the first cell wiring members and the second cell wiring members are connected to the second bridge wiring member by applying heat to at least the first cell wiring members, the second cell wiring members, and the second bridge wiring member by induction heating.Type: GrantFiled: August 23, 2019Date of Patent: February 14, 2023Assignee: PANASONIC HOLDINGS CORPORATIONInventors: Kenichi Maki, Haruhisa Hashimoto, Naoto Imada
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Publication number: 20220005969Abstract: First, first cell wiring members from the first solar cell and second cell wiring members from the second solar cell are sandwiched between a wiring member film and a second bridge wiring member. Subsequently, the first cell wiring members and the second cell wiring members are connected to the second bridge wiring member by applying heat to at least the first cell wiring members, the second cell wiring members, and the second bridge wiring member by induction heating.Type: ApplicationFiled: August 23, 2019Publication date: January 6, 2022Inventors: Kenichi MAKI, Haruhisa HASHIMOTO, Naoto IMADA
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Publication number: 20200194606Abstract: A solar cell module includes a plurality of solar cells arranged to be aligned along a first direction, a plurality of wiring materials configured to connect the plurality of solar cells, a plurality of first transparent members disposed individually on respective light receiving surface sides of the plurality of solar cells and bonded to the plurality of wiring materials, and a plurality of second transparent members disposed individually on respective rear surface sides of the plurality of solar cells, the rear surface sides being opposite to the light receiving surface sides, and bonded to the plurality of wiring materials.Type: ApplicationFiled: December 10, 2019Publication date: June 18, 2020Applicant: Panasonic CorporationInventors: Yuya Nakamura, Haruhisa Hashimoto, Junpei Irikawa, Naoto Imada, Kenichi Maki, Takeshi Nishiwaki, Hitomi Ichinose
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Publication number: 20200168755Abstract: A 12th solar cell module includes a light receiving surface and a back surface that face in opposite directions. A first film is attached to the light receiving surface. Wires are sandwiched by the first film and the light receiving surface and connected to the 12th solar cell. A second film is attached to the back surface. Wires are sandwiched by the second film and the back surface and connected to the 12th solar cell. The first film is transparent, and the second film is non-transparent.Type: ApplicationFiled: November 19, 2019Publication date: May 28, 2020Inventors: Hiroshi KANNO, Junpei IRIKAWA, Naoto IMADA
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Publication number: 20200105954Abstract: The second bridge wiring member includes a surface having a length in the first direction and a width in the second direction. A plurality of first cell wiring members extending from the 1-8th solar cell toward the second bridge wiring member and a plurality of second cell wiring members extending from the 2-8th solar cell toward the second bridge wiring member are connected to the surface of the second bridge wiring member such that the plurality of first cell wiring members and the plurality of second cell wiring members mutually overlap along the second direction.Type: ApplicationFiled: September 4, 2019Publication date: April 2, 2020Inventors: Kenichi MAKI, Haruhisa HASHIMOTO, Naoto IMADA
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Publication number: 20190148578Abstract: A solar cell module including: a solar cell; a first protection member provided on the light receiving surface side of the solar cell; a second protection member provided on the rear surface side of the solar cell; an encapsulant layer, including a first encapsulant layer disposed between the solar cell and the first protection member, and a second encapsulant layer disposed between the solar cell and the second protection member, which seals the solar cell; and a wavelength conversion substance, contained in at least the first encapsulant layer, which absorbs light having a specified wavelength, and converts the wavelength. The concentration of the wavelength conversion substance is higher in the first encapsulant layer than in the second encapsulant layer, and a resin constituting the second encapsulant layer has a smaller diffusion coefficient of the wavelength conversion substance than the diffusion coefficient of a resin constituting the first encapsulant layer.Type: ApplicationFiled: January 16, 2019Publication date: May 16, 2019Applicant: PANASONIC INTELLECTUAL PROPERTY MGMT CO., LTD.Inventors: Tasuku Ishiguro, Naoto Imada, Junpei Irikawa, Akimichi Maekawa
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Patent number: 10224448Abstract: A solar cell module including: a solar cell; a first protection member provided on the light receiving surface side of the solar cell; a second protection member provided on the rear surface side of the solar cell; an encapsulant layer, including a first encapsulant layer disposed between the solar cell and the first protection member, and a second encapsulant layer disposed between the solar cell and the second protection member, which seals the solar cell; and a wavelength conversion substance, contained in at least the first encapsulant layer, which absorbs light having a specified wavelength, and converts the wavelength. The concentration of the wavelength conversion substance is higher in the first encapsulant layer than in the second encapsulant layer, and a resin constituting the second encapsulant layer has a smaller diffusion coefficient of the wavelength conversion substance than the diffusion coefficient of a resin constituting the first encapsulant layer.Type: GrantFiled: December 9, 2016Date of Patent: March 5, 2019Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., Ltd.Inventors: Tasuku Ishiguro, Naoto Imada, Junpei Irikawa, Akimichi Maekawa
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Publication number: 20180331243Abstract: A solar cell module includes: a plurality of solar cells; a front surface encapsulant member which is disposed on a front surface side of the plurality of solar cells and includes a first polyolefin-based material; a back surface encapsulant member which is disposed on a back surface side of the plurality of solar cells and includes a second polyolefin-based material; an intermediate member which is disposed between the front surface encapsulant member and the back surface encapsulant member and includes a polymer material having either one of a higher polarity and a higher water absorbability than the first polyolefin-based material and the second polyolefin-based material; and a front surface protective member and a back surface protective member disposed to place the plurality of solar cells, the front surface encapsulant member, and the back surface encapsulant member between the front surface protective member and the back surface protective member.Type: ApplicationFiled: July 25, 2018Publication date: November 15, 2018Applicant: Panasonic Intellectual Property Management Co., Ltd.Inventors: Naoto IMADA, Tasuku ISHIGURO, Akimichi MAEKAWA, Masahiro IWATA
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Patent number: 10084105Abstract: This solar cell module is provided with: a plurality of solar cells; and a tab, which electrically connects the solar cells, and which has recesses and projections on the surface thereof. The tab has height of the recesses and the projections smaller in the peripheral region of each of the solar cells, compared with that in other regions of each of the solar cells.Type: GrantFiled: September 12, 2014Date of Patent: September 25, 2018Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Yukihiro Yoshimine, Tasuku Ishiguro, Naoto Imada
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Patent number: 10074759Abstract: A solar cell module includes: a plurality of solar cells; a front surface encapsulant member which is disposed on a front surface side of the plurality of solar cells and includes a first polyolefin-based material; a back surface encapsulant member which is disposed on a back surface side of the plurality of solar cells and includes a second polyolefin-based material; an intermediate member which is disposed between the front surface encapsulant member and the back surface encapsulant member and includes a polymer material having either one of a higher polarity and a higher water absorbability than the first polyolefin-based material and the second polyolefin-based material; and a front surface protective member and a back surface protective member disposed to place the plurality of solar cells, the front surface encapsulant member, and the back surface encapsulant member between the front surface protective member and the back surface protective member.Type: GrantFiled: December 15, 2016Date of Patent: September 11, 2018Assignee: Panasonic Intellectual Property Management Co., Ltd.Inventors: Naoto Imada, Tasuku Ishiguro, Akimichi Maekawa, Masahiro Iwata
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Patent number: 9882525Abstract: Provided is a solar battery module having an outer edge maintained by a frame, and comprising a group of strings formed by using a plurality of solar battery cells, connecting adjacent solar battery cells in a longitudinal direction by an inter-cell wiring material to form a plurality of strings, and arranging the plurality of strings in a transverse direction, wherein a spacing distance A between the interior of the frame and the frame-side edge of solar battery cells of the outermost string in the group of strings, a spacing distance B between solar battery cells constituting adjacent strings in the group of strings, and a spacing distance C between the solar battery cells in the transverse direction satisfy the relationship {(995A?20C)/1005}<B<{(1005A+20C)/995}. Additionally, an olefinic resin is used in a first sealing member on the light receiving surface side.Type: GrantFiled: March 24, 2017Date of Patent: January 30, 2018Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., Ltd.Inventor: Naoto Imada
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Publication number: 20170229605Abstract: A method for manufacturing a solar cell module comprises: a step for manufacturing a multilayer by stacking and heat-pressing solar cells, an encapsulant, and protection members; a heat treatment step for heating the entire multilayer and, after the heating ends, cooling the multilayer to a prescribed temperature; and a light radiation step for radiating light with a maximum peak wavelength of 1500 nm onto the solar cells of the multilayer, thereby heating the encapsulant as a result of an increase in the temperature of the solar cells, such that the temperatures of the solar cells and the encapsulant constituting the multilayer do not exceed the respective maximum temperatures thereof in at least the heat treatment step.Type: ApplicationFiled: April 25, 2017Publication date: August 10, 2017Applicant: Panasonic Intellectual Property Management Co., Ltd.Inventors: Keisuke Ogawa, Naoto Imada, Hiroshi Kanno
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Publication number: 20170201209Abstract: Provided is a solar battery module having an outer edge maintained by a frame, and comprising a group of strings formed by using a plurality of solar battery cells, connecting adjacent solar battery cells in a longitudinal direction by an inter-cell wiring material to form a plurality of strings, and arranging the plurality of strings in a transverse direction, wherein a spacing distance A between the interior of the frame and the frame-side edge of solar battery cells of the outermost string in the group of strings, a spacing distance B between solar battery cells constituting adjacent strings in the group of strings, and a spacing distance C between the solar battery cells in the transverse direction satisfy the relationship {(995A?20C)/1005}<B<{(1005A+20C)/995}. Additionally, an olefinic resin is used in a first sealing member on the light receiving surface side.Type: ApplicationFiled: March 24, 2017Publication date: July 13, 2017Applicant: Panasonic Intellectual Property Management Co., Ltd.Inventor: Naoto Imada
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Publication number: 20170200843Abstract: A solar cell module includes solar cells. encapsulants are layered on surfaces of the solar cells. A glass substrate is layered on the encapsulants. The solar cell module further includes an epoxy resin-containing member. Each encapsulant includes the ultraviolet ray-absorbing member. The ultraviolet ray-absorbing member sets the transmittance to 1% or less at the wavelengths ranging from 300 to 360 nm.Type: ApplicationFiled: March 29, 2017Publication date: July 13, 2017Inventors: Junpei IRIKAWA, Naoto IMADA, Tasuku ISHIGURO, Hiroshi KANNO
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Patent number: 9627567Abstract: Disclosed is a method for manufacturing a solar cell module (10), said method being provided with: a first step for a first step for manufacturing a laminated body by sequentially stacking and thermocompression-bonding a solar cell (11), sealing material (14), first protection member (12) and second protection member (13); and a second step, which is a step of heating the solar cell (11) of the laminated body, and in which the sealing material (14) is indirectly heated due to a temperature increase of the solar cell (11).Type: GrantFiled: April 20, 2016Date of Patent: April 18, 2017Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Naoto Imada, Keisuke Ogawa, Tasuku Ishiguro
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Publication number: 20170098725Abstract: A solar cell module includes: a plurality of solar cells; a front surface encapsulant member which is disposed on a front surface side of the plurality of solar cells and includes a first polyolefin-based material; a back surface encapsulant member which is disposed on a back surface side of the plurality of solar cells and includes a second polyolefin-based material; an intermediate member which is disposed between the front surface encapsulant member and the back surface encapsulant member and includes a polymer material having either one of a higher polarity and a higher water absorbability than the first polyolefin-based material and the second polyolefin-based material; and a front surface protective member and a back surface protective member disposed to place the plurality of solar cells, the front surface encapsulant member, and the back surface encapsulant member between the front surface protective member and the back surface protective member.Type: ApplicationFiled: December 15, 2016Publication date: April 6, 2017Applicant: Panasonic Intellectual Property Management Co., Ltd.Inventors: Naoto IMADA, Tasuku ISHIGURO, Akimichi MAEKAWA, Masahiro IWATA
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Publication number: 20170098726Abstract: This solar cell module is provided with: a solar cell; a first protection member that is arranged on the light-receiving surface side of the solar cell; a second protection member that is arranged on the back surface side of the solar cell; and an encapsulant that seals the solar cell. The encapsulant comprises an encapsulant that is arranged between the solar cell and the first protection member and an encapsulant that is arranged between the solar cell and the second protection member, and the encapsulant contains a wavelength conversion substance. This solar cell module satisfies the condition of formula. EQE(?2)×(1?0.46n?2.Type: ApplicationFiled: December 16, 2016Publication date: April 6, 2017Applicant: Panasonic Intellectual Property Management Co., Ltd.Inventors: Junpei Irikawa, Naoto Imada
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Publication number: 20170092796Abstract: A solar cell module including: a solar cell; a first protection member provided on the light receiving surface side of the solar cell; a second protection member provided on the rear surface side of the solar cell; an encapsulant layer, including a first encapsulant layer disposed between the solar cell and the first protection member, and a second encapsulant layer disposed between the solar cell and the second protection member, which seals the solar cell; and a wavelength conversion substance, contained in at least the first encapsulant layer, which absorbs light having a specified wavelength, and converts the wavelength. The concentration of the wavelength conversion substance is higher in the first encapsulant layer than in the second encapsulant layer, and a resin constituting the second encapsulant layer has a smaller diffusion coefficient of the wavelength conversion substance than the diffusion coefficient of a resin constituting the first encapsulant layer.Type: ApplicationFiled: December 9, 2016Publication date: March 30, 2017Applicant: Panasonic Intellectual Property Management Co., Ltd.Inventors: Tasuku Ishiguro, Naoto Imada, Junpei Irikawa, Akimichi Maekawa
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Publication number: 20160233362Abstract: Disclosed is a method for manufacturing a solar cell module (10), said method being provided with: a first step for a first step for manufacturing a laminated body by sequentially stacking and thermocompression-bonding a solar cell (11), sealing material (14), first protection member (12) and second protection member (13); and a second step, which is a step of heating the solar cell (11) of the laminated body, and in which the sealing material (14) is indirectly heated due to a temperature increase of the solar cell (11).Type: ApplicationFiled: April 20, 2016Publication date: August 11, 2016Applicant: Panasonic Intellectual Property Management Co., Ltd.Inventors: Naoto Imada, Keisuke Ogawa, Tasuku Ishiguro
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Publication number: 20160126387Abstract: A solar cell module includes solar cells, each including a first bus bar electrode provided on a first principal surface and a second bus bar electrode provided on a second principal surface; a wiring member connecting the first bus bar electrode of one of adjacent two solar cells and the second bus bar electrode of the other solar cell; and a resin adhesive layer connecting the wiring member and any one of the first bus bar electrode and the second bus bar electrode. A distance between an end portion of the resin adhesive layer on the adjacent side and an end portion, on the adjacent side, of the solar cell provided with the resin adhesive layer is longer than a distance between the end portion of the solar cell and an end portion of the adjacent solar cell.Type: ApplicationFiled: January 15, 2016Publication date: May 5, 2016Applicant: Panasonic Intellectual Property Management Co., Ltd.Inventors: Haruhisa HASHIMOTO, Tasuku ISHIGURO, Naoto IMADA