Patents by Inventor Kasumi Oi

Kasumi Oi 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).

  • Patent number: 9666872
    Abstract: The conductive porous layer for batteries according to the present invention comprises a laminate comprising a first conductive layer and a second conductive layer. The first conductive layer includes at least a conductive carbon material and a polymer. The second conductive layer includes at least a conductive carbon material and a polymer. The conductive porous layer satisfies at least one of the following two conditions: “the polymer in the first conductive layer is present with a high density at the surface of the layer in contact with the second conductive layer than at the surface not in contact with the second conductive layer” and “the polymer in the second conductive layer is present with a higher density at the surface of the layer in contact with the first conductive layer than at the surface not in contact with the first conductive layer.
    Type: Grant
    Filed: April 5, 2016
    Date of Patent: May 30, 2017
    Assignee: Dai Nippon Printing Co., Ltd.
    Inventors: Naoya Takeuchi, Hiroshi Kishimoto, Kasumi Oi
  • Publication number: 20160293964
    Abstract: The conductive porous layer for batteries according to the present invention comprises a laminate comprising a first conductive layer and a second conductive layer. The first conductive layer includes at least a conductive carbon material and a polymer. The second conductive layer includes at least a conductive carbon material and a polymer. The conductive porous layer satisfies at least one of the following two conditions: “the polymer in the first conductive layer is present with a high density at the surface of the layer in contact with the second conductive layer than at the surface not in contact with the second conductive layer” and “the polymer in the second conductive layer is present with a higher density at the surface of the layer in contact with the first conductive layer than at the surface not in contact with the first conductive layer.
    Type: Application
    Filed: April 5, 2016
    Publication date: October 6, 2016
    Inventors: Naoya Takeuchi, Hiroshi Kishimoto, Kasumi Oi
  • Patent number: 9406940
    Abstract: The conductive porous layer for batteries according to the present invention comprises a laminate comprising a first conductive layer and a second conductive layer. The first conductive layer includes at least a conductive carbon material and a polymer. The second conductive layer includes at least a conductive carbon material and a polymer. The conductive porous layer satisfies at least one of the following two conditions: “the polymer in the first conductive layer is present with a high density at the surface of the layer in contact with the second conductive layer than at the surface not in contact with the second conductive layer” and “the polymer in the second conductive layer is present with a higher density at the surface of the layer in contact with the first conductive layer than at the surface not in contact with the first conductive layer.
    Type: Grant
    Filed: March 23, 2012
    Date of Patent: August 2, 2016
    Assignee: Dai Nippon Printing Co., Ltd.
    Inventors: Naoya Takeuchi, Hiroshi Kishimoto, Kasumi Oi
  • Publication number: 20150147675
    Abstract: An object of the present invention is to provide a laminate having food adhesion between a support and a conductive layer. The laminate of the present invention comprises a conductive layer A formed on a support, the conductive layer A containing a conductive carbon material and a polymer, the polymer in the conductive layer A being dense at the surface in contact with the support.
    Type: Application
    Filed: April 25, 2013
    Publication date: May 28, 2015
    Applicant: Dai Nippon Printing Co., Ltd.
    Inventors: Kasumi Oi, Naoya Takeuchi, Hiroshi Kishimoto, Hitoshi Ohtani
  • Publication number: 20150132668
    Abstract: An object of the present invention is to provide a conductive porous layer for batteries in which adhesion between a conductive porous substrate and the conductive porous layer is excellent, and pores in the conductive porous layer are maintained without being deformed. The conductive porous layer for batteries of the present invention contains a laminate containing a first conductive layer and a second conductive layer, the first conductive layer including a conductive carbon material and a polymer, and the second conductive layer including a conductive carbon material and a polymer, and the polymer contained in the first conductive layer having a glass transition temperature (Tg) 30° C. or more higher than the glass transition temperature (Tg) of the polymer contained in the second conductive layer.
    Type: Application
    Filed: May 10, 2013
    Publication date: May 14, 2015
    Inventors: Kasumi Oi, Naoya Takeuchi, Hiroshi Kishimoto, Hitoshi Ohtani
  • Publication number: 20140087272
    Abstract: The conductive porous layer for batteries according to the present invention comprises a laminate comprising a first conductive layer and a second conductive layer. The first conductive layer includes at least a conductive carbon material and a polymer. The second conductive layer includes at least a conductive carbon material and a polymer. The conductive porous layer satisfies at least one of the following two conditions: “the polymer in the first conductive layer is present with a high density at the surface of the layer in contact with the second conductive layer than at the surface not in contact with the second conductive layer” and “the polymer in the second conductive layer is present with a higher density at the surface of the layer in contact with the first conductive layer than at the surface not in contact with the first conductive layer.
    Type: Application
    Filed: March 23, 2012
    Publication date: March 27, 2014
    Applicant: DAI NIPPON PRINTING CO., LTD.
    Inventors: Naoya Takeuchi, Hiroshi Kishimoto, Kasumi Oi
  • Publication number: 20110183442
    Abstract: An encapsulant layer for a photovoltaic module enabling recovering and recycling or reusing of reutilizeable resources such as a transparent front face substrate and photovoltaic cell and the like among constituents of a photovoltaic module, and a method for manufacturing a regenerated photovoltaic cell and a regenerated transparent front face substrate. The photovoltaic module is formed by laminating: a transparent front face substrate; a photovoltaic cell carrying a wiring electrode and a takeoff electrode, and an encapsulant layer is placed on at least one surface; and a rear face protecting sheet. The encapsulant layer is a separable layer formed mainly of a thermoplastic resin, and an output maintenance factor of photoelectronic power of the photovoltaic module using the encapsulant layer is in a range of 80% to 100%.
    Type: Application
    Filed: March 25, 2011
    Publication date: July 28, 2011
    Applicant: DAI NIPPON PRINTING CO., LTD.
    Inventors: Kasumi OI, Takaki MIYACHI, Isao INOUE, Koujiro OHKAWA, Hiroki NAKAGAWA
  • Patent number: 7935884
    Abstract: An encapsulant layer for a photovoltaic module enabling recovering and recycling or reusing of reutilizeable resources such as a transparent front face substrate and photovoltaic cell and the like among constituents of a photovoltaic module, and a method for manufacturing a regenerated photovoltaic cell and a regenerated transparent front face substrate. The photovoltaic module is formed by laminating: a transparent front face substrate; a photovoltaic cell carrying a wiring electrode and a takeoff electrode, and an encapsulant layer is placed on at least one surface; and a rear face protecting sheet. The encapsulant layer is a separable layer formed mainly of a thermoplastic resin, and an output maintenance factor of photoelectronic power of the photovoltaic module using the encapsulant layer is in a range of 80% to 100%.
    Type: Grant
    Filed: September 9, 2004
    Date of Patent: May 3, 2011
    Assignee: Dai Nippon Printing Co., Ltd.
    Inventors: Kasumi Oi, Takaki Miyachi, Isao Inoue, Koujiro Ohkawa, Hiroki Nakagawa
  • Patent number: 7521515
    Abstract: The invention mainly aims to provide an economical filler layer for a solar cell module which is excellent in the adhesion property to a transparent front substrate and a backside protective sheet, does not worsen the working environments, and causes no adverse effect on a solar cell element or electrodes at the time of production. To accomplish the aim, the invention provides a filler layer for a solar cell module containing a silane-modified resin obtained by polymerizing an ethylenic unsaturated silane compound and a polyethylene for polymerization and characterized in that the filler layer for a solar cell module has a gel fraction of 30% or lower when the filler layer for a solar cell module is used in a solar cell module.
    Type: Grant
    Filed: June 2, 2004
    Date of Patent: April 21, 2009
    Assignee: Dai Nippon Printing Co., Ltd.
    Inventors: Kasumi Oi, Hiroki Nakagawa, Takaki Miyachi, Isao Inoue, Koujiro Ohkawa
  • Publication number: 20080302417
    Abstract: A main object of the invention is to provide a filler sheet for a solar cell module which is excellent in various properties such as strength, endurance, weatherability, heat resistance, water resistance, light resistance, wind pressure resistance, hailstorm resistance, and vacuum laminating suitability, and has very good thermal melting/bonding property without being affected by production conditions and others, and which makes it possible to produce a solar cell module, suitable for various use purposes, stably at low costs; and a solar cell module using the same.
    Type: Application
    Filed: August 11, 2008
    Publication date: December 11, 2008
    Inventors: Isao INOUE, Koujiro OHKAWA, Takaki MIYACHI, Kasumi OI
  • Publication number: 20060142490
    Abstract: The invention mainly aims to provide an economical filler layer for a solar cell module which is excellent in the adhesion property to a transparent front substrate and a backside protective sheet, does not worsen the working environments, and causes no adverse effect on a solar cell element or electrodes at the time of production. To accomplish the aim, the invention provides a filler layer for a solar cell module containing a silane-modified resin obtained by polymerizing an ethylenic unsaturated silane compound and a polyethylene for polymerization and characterized in that the filler layer for a solar cell module has a gel fraction of 30% or lower when the filler layer for a solar cell module is used in a solar cell module.
    Type: Application
    Filed: June 2, 2004
    Publication date: June 29, 2006
    Inventor: Kasumi Oi
  • Publication number: 20050051204
    Abstract: The main object of the present invention is to provide an encapsulant layer for photovoltaic module used in a photovoltaic module enabling recovering and recycling or reusing of reutilizeable resources such as a transparent front face substrate and photovoltaic cell and the like among constituents of a photovoltaic module, and to provide a method for manufacturing a regenerated photovoltaic cell and a regenerated transparent front face substrate.
    Type: Application
    Filed: September 9, 2004
    Publication date: March 10, 2005
    Inventors: Kasumi Oi, Takaki Miyachi, Isao Inoue, Koujiro Ohkawa, Hiroki Nakagawa