Patents by Inventor Shigenori Itoyama

Shigenori Itoyama 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: 7754963
    Abstract: A solar power generation system having a solar cell provided therein and which is provided with a cooling mechanism, characterized in that the cooling mechanism has a cooling system for cooling the solar cell and a memory and operation system for memorizing or operating an optimum cooling and driving state of the cooling system with respect to an output of the solar cell. The cooling system is driven based on an output of the memory and operation system.
    Type: Grant
    Filed: August 25, 2004
    Date of Patent: July 13, 2010
    Assignee: Canon Kabushiki Kaisha
    Inventors: Tatsuo Fujisaki, Satoru Shiomi, Hidehisa Makita, Shigenori Itoyama
  • Patent number: 7534956
    Abstract: A solar cell module includes a front member placed at a light-incident side of the module; a sealing member having an exposed section that is not covered with the front member; solar cell elements that are sealed with the sealing member and covered with the front member; and an electric device, stored in a housing, for extracting electricity generated by the solar cell elements. The housing is fixed on the exposed section and is located at a light-incident side of the module.
    Type: Grant
    Filed: April 7, 2004
    Date of Patent: May 19, 2009
    Assignee: Canon Kabushiki Kaisha
    Inventors: Ichiro Kataoka, Akiharu Takabayashi, Hidehisa Makita, Masaaki Matsushita, Takaaki Mukai, Shigenori Itoyama
  • Patent number: 7238879
    Abstract: Provided is a solar cell module having a reinforcing member integrally stacked by means of a covering material on a rear surface of a solar cell panel having a photovoltaic element that performs photoelectric conversion, wherein a bent portion is formed in each of opposing end portions of the reinforcing member, an output wire member having conductivity is extended from an output portion of the photovoltaic element disposed on a light-receiving surface side of the solar cell panel along a surface of the bent portion so as to get over the bent portion, and a tip end of the extended portion of the output wire member is exposed out of a surface opposite to the reinforcing member of the covering material to form an output terminal portion. Thereby, there is provided a solar cell module that is improved in the area efficiency and weather resistance as well as the workability of electrical wiring and electrical connection during manufacturing and is inexpensive.
    Type: Grant
    Filed: November 22, 2004
    Date of Patent: July 3, 2007
    Assignee: Canon Kabushiki Kaisha
    Inventors: Masaaki Matsushita, Akiharu Takabayashi, Shigenori Itoyama, Ichiro Kataoka, Hidehisa Makita, Takaaki Mukai, Toshihiko Mimura
  • Publication number: 20060137801
    Abstract: A formed product having on at least part of its surface an ethylene-vinyl acetate copolymer (EVA) is bonded to an adherend by means of an adhesive containing at least xylene. According to the method of the present invention, the formed product having an ethylene-vinyl acetate copolymer with low adhesion to another substance can be easily bonded to the adherend.
    Type: Application
    Filed: February 5, 2004
    Publication date: June 29, 2006
    Applicant: Canon Kabushiki Kaisha
    Inventors: Masaaki Matsushita, Akiharu Takabayashi, Ichiro Kataoka, Hidehisa Makita, Takaaki Mukai, Shigenori Itoyama
  • Patent number: 6930238
    Abstract: In a solar cell module-mounting structure, a solar cell module 101 is fixed on one surface of a plate-shaped member 102, the plate-shaped member 102 is placed on an installation surface so that one side of the plate-shaped member is in contact with the installation surface, a surface of the plate-shaped member 102 opposite to the solar cell module-fixing surface is in contact with a first support member 103, and out of surfaces including the one side of the plate-shaped member 102, at least a part of the surfaces in no contact with the first support member 103 is in contact with a second support member 103, thereby effectively preventing a solar cell module-mounting rack from being moved by a wind load.
    Type: Grant
    Filed: September 10, 2003
    Date of Patent: August 16, 2005
    Assignee: Canon Kabushiki Kaisha
    Inventors: Hidehisa Makita, Akiharu Takabayashi, Masaaki Matsushita, Takaaki Mukai, Shigenori Itoyama
  • Publication number: 20050133086
    Abstract: A solar cell module includes at least one photovoltaic element, bypass diodes for preventing a reverse voltage from being applied to the photovoltaic element, and a conductor member for arranging the bypass diode thereon, the conductor member being composed of a pair of connection portions on the photovoltaic element side, and plural routes of connection portions on the bypass diode side, the plural routes of the connection portions on the bypass diode side of the conductor member being arranged in parallel between the pair of the connection portions on the photovoltaic element side of the conductor member, and the bypass diodes being arranged in a zig-zag pattern in the neighboring routes so that the positions thereof are shifted from each other. The bypass diodes can be connected to the photovoltaic element without air-bubbles remaining.
    Type: Application
    Filed: December 13, 2004
    Publication date: June 23, 2005
    Applicant: Canon Kabushiki Kaisha
    Inventors: Shigenori Itoyama, Ichiro Kataoka, Hidehisa Makita, Masaaki Matsushita, Takaaki Mukai
  • Publication number: 20050133083
    Abstract: Provided is a solar cell module having a reinforcing member integrally stacked by means of a covering material on a rear surface of a solar cell panel having a photovoltaic element that performs photoelectric conversion, wherein a bent portion is formed in each of opposing end portions of the reinforcing member, an output wire member having conductivity is extended from an output portion of the photovoltaic element disposed on a light-receiving surface side of the solar cell panel along a surface of the bent portion so as to get over the bent portion, and a tip end of the extended portion of the output wire member is exposed out of a surface opposite to the reinforcing member of the covering material to form an output terminal portion. Thereby, there is provided a solar cell module that is improved in the area efficiency and weather resistance as well as the workability of electrical wiring and electrical connection during manufacturing and is inexpensive.
    Type: Application
    Filed: November 22, 2004
    Publication date: June 23, 2005
    Applicant: Canon Kabushiki Kaisha
    Inventors: Masaaki Matsushita, Akiharu Takabayashi, Shigenori Itoyama, Ichiro Kataoka, Hidehisa Makita, Takaaki Mukai, Toshihiko Mimura
  • Publication number: 20050126622
    Abstract: To provide a solar cell module and a method of producing the same capable of improving mechanical strength as well as providing less weight and high productivity. The solar cell module includes: a solar cell panel in which a photovoltaic device for performing photoelectric conversion is sealed with a covering material; a plurality of reinforcing members which are in contact with a back of the solar cell panel; a perpendicular portion formed on an opposed end portion of each of the reinforcing members at least along one of a longitudinal direction and a width direction of the solar cell panel as well as extended with respect to an installation portion of a structure; and a frame provided on an opposed end portion of the solar cell panel perpendicular to the perpendicular portion of the reinforcing member.
    Type: Application
    Filed: December 1, 2004
    Publication date: June 16, 2005
    Applicant: Canon Kabushiki Kaisha
    Inventors: Takaaki Mukai, Shigenori Itoyama, Ichiro Kataoka, Hidehisa Makita, Masaaki Matsushita
  • Publication number: 20050103376
    Abstract: The solar cell module of the present invention includes a solar cell panel, a frame, and a back member provided on a back side of the solar cell panel, wherein the back member includes a joining portion for joining the back member to the back side of the solar cell panel, and a projection portion extending in a direction crossing the frame, and wherein the frame has a first engaging portion for engaging with the solar cell panel and the joining portion of the back member, and a second engaging portion for engaging with the projection portion of the back member, whereby the present invention provides a solar cell module having a high strength and a light weight at a low cost.
    Type: Application
    Filed: October 25, 2004
    Publication date: May 19, 2005
    Applicant: Canon Kabushiki Kaisha
    Inventors: Masaaki Matsushita, Shigenori Itoyama, Ichiro Kataoka, Takaaki Mukai, Hidehisa Makita
  • Publication number: 20050034753
    Abstract: A solar cell structural body having a solar cell arranged on a concrete retaining body, such that part of a conductor portion of the solar cell contacts the concrete retaining body. The concrete retaining body includes a concrete prepared from a mixture which includes at least a cement, water, and an aggregate. The concrete has a resistivity in a range of from 9×103 to 120×103 ?·cm. A solar cell array in which the solar cell structural body is used, and a sunlight power generation system in which the solar cell structural body is used.
    Type: Application
    Filed: September 3, 2004
    Publication date: February 17, 2005
    Applicant: Canon Kabushiki Kaisha
    Inventors: Masaaki Matsushita, Akiharu Takabayashi, Hidehisa Makita, Takaaki Mukai, Shigenori Itoyama
  • Publication number: 20050016581
    Abstract: A solar power generation system having a solar cell provided therein and which is provided with a cooling mechanism, characterized in that the cooling mechanism has a cooling system for cooling the solar cell and a memory and operation system for memorizing or operating an optimum cooling and driving state of the cooling system with respect to an output of the solar cell. The cooling system is driven based on an output of the memory and operation system.
    Type: Application
    Filed: August 25, 2004
    Publication date: January 27, 2005
    Applicant: Canon Kabushiki Kaisha
    Inventors: Tatsuo Fujisaki, Satoru Shiomi, Hidehisa Makita, Shigenori Itoyama
  • Publication number: 20050000562
    Abstract: A solar cell module includes a front member placed at a light-incident side of the module; a sealing member having an exposed section that is not covered with the front member; solar cell elements that are sealed with the sealing member and covered with the front member; and an electric device, stored in a housing, for extracting electricity generated by the solar cell elements. The housing is fixed on the exposed section and is located at a light-incident side of the module.
    Type: Application
    Filed: April 7, 2004
    Publication date: January 6, 2005
    Applicant: Canon Kabushiki Kaisha
    Inventors: Ichiro Kataoka, Akiharu Takabayashi, Hidehisa Makita, Masaaki Matsushita, Takaaki Mukai, Shigenori Itoyama
  • Publication number: 20040261836
    Abstract: A solar cell module is provided which comprises a solar cell element, and a front surface member provided so as to cover a light incidence surface of the solar cell element to provide an outermost surface of the solar cell module, wherein the front surface member comprises a fluoride polymer film having a light incidence surface subjected to a discharge treatment and which is, therefore, hard to stain even when placed outdoors for a long period of time, whereby it is possible to suppress a lowering in output caused by a decrease in quantity of incident light due to staining.
    Type: Application
    Filed: April 13, 2004
    Publication date: December 30, 2004
    Applicant: Canon Kabushiki Kaisha
    Inventors: Ichiro Kataoka, Hidehisa Makita, Masaaki Matsushita, Takaaki Mukai, Shigenori Itoyama
  • Publication number: 20040255999
    Abstract: Provided is a solar cell module with power converters, including a plurality of solar cells, a covering member, and a plurality of power converters provided on a surface of the covering member, in which the solar cells form a plurality of solar cell groups comprising two or more solar cells electrically connected to each other with a gap therebetween via an interconnector, each of the power converters is arranged out of an extension line of the gap, each power converter is connected to an output of one solar cell group, and outputs of the respective power converters are all connected in parallel to each other.
    Type: Application
    Filed: April 15, 2004
    Publication date: December 23, 2004
    Applicant: Canon Kabushiki Kaisha
    Inventors: Masaaki Matsushita, Ichiro Kataoka, Hidehisa Makita, Takaaki Mukai, Shigenori Itoyama
  • Patent number: 6818820
    Abstract: A solar cell structural body having a solar cell arranged on a concrete retaining body comprising a concrete prepared from a mixture comprising at least a cement, water and an aggregate, such that part of a conductor portion of the solar cell contacts the concrete retaining body. The concrete has a resistivity in a range of from 9×103 to 120×103 &OHgr;·cm. A solar cell array in which the solar cell structural body is used, and a sunlight power generation system in which the solar cell structural body is used.
    Type: Grant
    Filed: June 3, 2002
    Date of Patent: November 16, 2004
    Assignee: Canon Kabushiki Kaisha
    Inventors: Masaaki Matsushita, Akiharu Takabayashi, Hidehisa Makita, Takaaki Mukai, Shigenori Itoyama
  • Patent number: 6812396
    Abstract: A solar cell array having an exposed electroactive portion is connected to a system power supply through an insulation transformer, a ground-fault interrupter is provided between the solar cell array and the system power supply, and a ground-fault detector is provided at the grounded line of the solar cell array. A set current value at which the ground-fault detector judges a ground-fault is larger than an amount of a set current value at which the ground-fault interrupter interrupts a circuit. The insulation transformer is provided between the solar cell array and the system power supply.
    Type: Grant
    Filed: August 28, 2002
    Date of Patent: November 2, 2004
    Assignee: Canon Kabushiki Kaisha
    Inventors: Hidehisa Makita, Akiharu Takabayashi, Toshihiko Mimura, Masaaki Matsushita, Takaaki Mukai, Shigenori Itoyama
  • Patent number: 6806415
    Abstract: A solar power generation system having a solar cell provided therein and which is provided with a cooling mechanism, characterized in that the cooling mechanism has a cooling system for cooling the solar cell and a memory and operation for memorizing or operating an optimum cooling and driving state of the cooling system with respect to an output of the solar cell, wherein the cooling system is driven based on an output of the memory and operation system.
    Type: Grant
    Filed: November 9, 2001
    Date of Patent: October 19, 2004
    Assignee: Canon Kabushiki Kaisha
    Inventors: Tatsuo Fujisaki, Satoru Shiomi, Hidehisa Makita, Shigenori Itoyama
  • Patent number: 6803515
    Abstract: A solar-cell-installed structure is disclosed in which a solar cell at least part of active electric portions of which stands exposed to surroundings is fixed onto a support placed on the ground, and the support is in only spot or line contact with the ground so that any leakage current can be small and the power loss can be lessened.
    Type: Grant
    Filed: May 31, 2002
    Date of Patent: October 12, 2004
    Assignee: Canon Kabushiki Kaisha
    Inventors: Shigenori Itoyama, Akiharu Takabayashi, Hidehisa Makita, Masaaki Matsushita, Takaaki Mukai
  • Publication number: 20040045595
    Abstract: In a solar cell module-mounting structure, a solar cell module 101 is fixed on one surface of a plate-shaped member 102, the plate-shaped member 102 is placed on an installation surface so that one side of the plate-shaped member is in contact with the installation surface, a surface of the plate-shaped member 102 opposite to the solar cell module-fixing surface is in contact with a first support member 103, and out of surfaces including the one side of the plate-shaped member 102, at least a part of the surfaces in no contact with the first support member 103 is in contact with a second support member 103, thereby effectively preventing a solar cell module-mounting rack from being moved by a wind load.
    Type: Application
    Filed: September 10, 2003
    Publication date: March 11, 2004
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Hidehisa Makita, Akiharu Takabayashi, Masaaki Matsushita, Takaaki Mukai, Shigenori Itoyama
  • Patent number: 6703555
    Abstract: The solar cell string of the present invention comprises a plurality of solar cells interconnected in series and/or parallel, one positive terminal, and one negative terminal, wherein at least a part of an electric line thereof is not housed in an insulating envelope, and the line is grounded at an electrical middle point between the positive and negative terminals or a point on the side of the negative terminal with respect to the electrical middle point, whereby an environmental resistant coating significantly responsible for a cost of a solar cell module and an insulating coating of a member for interconnecting solar cells in series and/or parallel can be simplified, and safety of an exposed electric line resulting from the simplification of the environmental resistant coating and the insulating coating can be improved.
    Type: Grant
    Filed: May 30, 2002
    Date of Patent: March 9, 2004
    Assignee: Canon Kabushiki Kaisha
    Inventors: Akiharu Takabayashi, Hidetoshi Tsuzuki, Hidehisa Makita, Masaaki Matsushita, Takaaki Mukai, Shigenori Itoyama