Patents by Inventor Kiyoshige Kojima

Kiyoshige Kojima 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).

  • Publication number: 20180241342
    Abstract: Provided is a photoelectric conversion device that facilitates the addition of solar cell module groups and enables improvement of convenience. The photoelectric conversion device includes an interface (21) and is configured to receive an electrical power supply from at least one solar cell module group (10) attached to the interface (21). The interface (21) includes a plurality of rigid members (211), each including a second connection unit (215) that is mechanically and electrically linkable to a first connection unit (123) of the solar cell module group (10), and one or more linking portions (216) that mechanically and electrically link the rigid members (211) in a foldable manner.
    Type: Application
    Filed: March 14, 2016
    Publication date: August 23, 2018
    Applicant: ZEON CORPORATION
    Inventors: Masayoshi YOSHIDA, Kiyoshige KOJIMA, Yuki HAYASHI, Midori YAMAAI, Akihiko YOSHIWARA
  • Publication number: 20180131318
    Abstract: Disclosed is a photoelectric conversion device that includes: a thin panel-shaped photoelectric conversion module; a first connection member that couples to an outer edge of the photoelectric conversion module at a joint so as to be electrically connected to the photoelectric conversion module; a reinforcing member that couples to a portion including the joint; and a main body that receives electric power supply from the photoelectric conversion module via the first connection member. The first connection member is mechanically and electrically attachable/detachable to/from the main body and has a thickness in vertical direction that is greater than a thickness in vertical direction of the photoelectric conversion module and less than or equal to a thickness in vertical direction of the reinforcing member at the joint.
    Type: Application
    Filed: May 24, 2016
    Publication date: May 10, 2018
    Applicant: ZEON CORPORATION
    Inventors: Midori YAMAAI, Kiyoshige KOJIMA, Yuki HAYASHI, Masayoshi YOSHIDA
  • Publication number: 20180097469
    Abstract: Provided is a photoelectric conversion device that enables simple and more reliable connection of a solar cell module to a main body capable of supplying electrical power to an external device. The photoelectric conversion device includes: a photoelectric conversion module group including a first connection means; and a main body part including a second connection means that is mechanically and electrically connectable to the first connection means. The first connection means includes a first connecting portion and a first connector. The second connection means includes a second connecting portion that slides against and engages with the first connecting portion and a second connector that connects to the first connector when the first connecting portion is at a specific position. One of the first connecting portion and the second connecting portion is a guide rail and the other is a guide that slides against and engages with the guide rail.
    Type: Application
    Filed: March 14, 2016
    Publication date: April 5, 2018
    Applicant: ZEON CORPORATION
    Inventors: Masayoshi YOSHIDA, Kiyoshige KOJIMA, Yuki HAYASHI, Midori YAMAAI, Akihiko YOSHIWARA
  • Publication number: 20180076759
    Abstract: Provided is a photoelectric conversion module group that enables a balance of high levels of mechanical strength improvement and weight reduction when thin photoelectric conversion modules are used. The photoelectric conversion module includes: a plurality of photoelectric conversion modules (11); a flexible linking portion (12) that mechanically and electrically connects two adjacent photoelectric conversion modules (11) among the plurality of photoelectric conversion modules (11); a flexible protective member (14) that covers at least one of a front surface and a rear surface of the linking portion (12); and one or more rigid reinforcing members (13) that partially cover the photoelectric conversion modules (11). In a case in which a reinforcing member (13) is present at a rear surface of any of the photoelectric conversion modules (11), the rear surface includes an exposed surface region that is not covered by the reinforcing member (13).
    Type: Application
    Filed: March 17, 2016
    Publication date: March 15, 2018
    Applicant: ZEON CORPORATION
    Inventors: Masayoshi YOSHIDA, Kiyoshige KOJIMA, Yuki HAYASHI, Midori YAMAAI, Akihiko YOSHIWARA
  • Publication number: 20170338051
    Abstract: An oxide layer (2) of tin or niobium is formed on one surface of a carbon nanotube-containing layer (1) containing carbon nanotubes having an average diameter (Av) and a diameter standard deviation (?) that satisfy a relationship 0.60>3?/Av>0.20.
    Type: Application
    Filed: January 19, 2015
    Publication date: November 23, 2017
    Applicant: ZEON CORPORATION
    Inventors: Akihiko YOSHIWARA, Kiyoshige KOJIMA, Akihiro KOJIMA, Masashi IKEGAMI
  • Publication number: 20170117555
    Abstract: Provided is a redox catalyst wherein a catalytically active component is supported on carbon nanotubes whose average diameter (Av) and standard deviation (?) of diameters satisfy the condition 0.60>3?/Av>0.20, and at least a part of a surface of the carbon nanotubes, including a part on which the catalytically active component is supported, is covered with porous inorganic material.
    Type: Application
    Filed: May 27, 2015
    Publication date: April 27, 2017
    Applicants: ZEON CORPORATION, KYUSHU UNIVERSITY
    Inventors: Masahiro KISHIDA, Sakae TAKENAKA, Akihiko YOSHIWARA, Kiyoshige KOJIMA
  • Publication number: 20160340521
    Abstract: Provided is a carbon nanotube dispersion liquid that has excellent stability and that can be used to form a conductor film that exhibits excellent adhesiveness to a substrate. The carbon nanotube dispersion liquid contains carbon nanotubes (A), a polymeric dispersant (B) including a sulfonic acid group-containing monomeric unit and an ethylenically unsaturated aliphatic carboxylic acid monomeric unit, and a solvent (C). Percentage content of the ethylenically unsaturated aliphatic carboxylic acid monomeric unit in the polymeric dispersant (B) is greater than 20 mol % and no greater than 90 mol %.
    Type: Application
    Filed: January 29, 2015
    Publication date: November 24, 2016
    Applicant: ZEON CORPORATION
    Inventors: Akihiko YOSHIWARA, Kiyoshige KOJIMA, Yasuo MUKUNOKI, Akihiro KOJIMA, Masashi IKEGAMI
  • Publication number: 20160329160
    Abstract: An oxide layer (2) of tin or niobium is formed on one surface of a carbon nanotube-containing layer (1) containing carbon nanotubes having an average diameter (Av) and a diameter standard deviation (?) that satisfy a relationship 0.60>3?/Av>0.20.
    Type: Application
    Filed: January 19, 2015
    Publication date: November 10, 2016
    Applicant: ZEON CORPORATION
    Inventors: Akihiko YOSHIWARA, Kiyoshige KOJIMA, Akihiro KOJIMA, Masashi IKEGAMI
  • Publication number: 20160315331
    Abstract: Provided is a conductive film having excellent conductivity and gas diffusivity that is useful, for example, as a material forming a gas diffusion layer or a catalyst layer of an electrode in a fuel cell. The conductive film includes carbon nanotubes having an average diameter (Av) and a diameter standard deviation (?) satisfying a relationship 0.60>(3?/Av)>0.20 and a conductive carbon that is different from the carbon nanotubes. A content ratio of the carbon nanotubes relative to the conductive carbon (carbon nanotubes/conductive carbon) is from 1/99 to 99/1 as a mass ratio.
    Type: Application
    Filed: December 22, 2014
    Publication date: October 27, 2016
    Applicant: ZEON CORPORATION
    Inventors: Akihiko YOSHIWARA, Kiyoshige KOJIMA
  • Publication number: 20160196928
    Abstract: A photovoltaic device includes two or more layers of organic photoelectric conversion module base plates that are stacked and connected, and that each include one or more photoelectric conversion elements. From 20% to 80% of area of each of the organic photoelectric conversion module base plates is occupied by a photoelectric conversion element section.
    Type: Application
    Filed: August 25, 2014
    Publication date: July 7, 2016
    Applicant: ZEON CORPORATION
    Inventor: Kiyoshige KOJIMA
  • Patent number: 8623516
    Abstract: There is provided a curable resin composition comprising a cycloolefin polymer and a cyclic peroxide which has a cyclic structure and a peroxy structure in the cyclic structure. There is also provided a laminate obtained by using a molded article which is obtained by forming the curable resin composition into a sheet shape or a prepreg which is obtained by impregnating the curable resin composition into a reinforcing fiber.
    Type: Grant
    Filed: March 2, 2009
    Date of Patent: January 7, 2014
    Assignee: Zeon Corporation
    Inventors: Takashi Kiuchi, Kiyoshige Kojima
  • Patent number: 8080623
    Abstract: A polymerizable composition suitable as an electric material and the like used in an electric circuit board, which comprises a norbornene monomer, a metathesis polymerization catalyst, and a chain transfer agent composed of a compound represented by formula (A): CH2?CH—Y—OCO—CR1?CH2 wherein Y represents a divalent hydrocarbon group having 3 to 20 carbon atoms, and R1 represents a hydrogen atom or a methyl group. By further comprising a crosslinking agent in the polymerizable composition, obtaining a crosslinkable resin by carrying out bulk polymerization, and crosslinking the crosslinkable resin to obtain a molded article and a crosslinked resin composite having excellent characteristics such as electric insulation, adhesion, mechanical strength, heat resistance, dielectric properties and the like.
    Type: Grant
    Filed: October 19, 2007
    Date of Patent: December 20, 2011
    Assignee: Zeon Corporation
    Inventors: Kiyoshige Kojima, Junji Kodemura
  • Publication number: 20110245417
    Abstract: A polymerizable composition comprised of a cycloolefin monomer, polymerization catalyst, cross-linking agent, and reactive fluidizing agent, a cross-linkable resin shaped article obtained by bulk polymerizing the polymerizable composition, a cross-linked resin shaped article obtained by bulk polymerizing and cross-linking the polymerizable composition, and a laminate obtained by laminating at least the cross-linkable resin shaped article or the cross-linked resin shaped article.
    Type: Application
    Filed: October 21, 2009
    Publication date: October 6, 2011
    Applicant: ZEON CORPORATION
    Inventors: Ryota Mori, Kiyoshige Kojima
  • Publication number: 20110144292
    Abstract: A polymerizable composition suitable as an electric material and the like used in an electric circuit board, which comprises a norbornene monomer, a metathesis polymerization catalyst, and a chain transfer agent composed of a compound represented by formula (A): CH2?CH—Y—OCO—CR1?CH2 wherein Y represents a divalent hydrocarbon group having 3 to 20 carbon atoms, and R1 represents a hydrogen atom or a methyl group. By further comprising a crosslinking agent in the polymerizable composition, obtaining a crosslinkable resin by carrying out bulk polymerization, and crosslinking the crosslinkable resin to obtain a molded article and a crosslinked resin composite having excellent characteristics such as electric insulation, adhesion, mechanical strength, heat resistance, dielectric properties and the like.
    Type: Application
    Filed: October 19, 2007
    Publication date: June 16, 2011
    Inventors: Kiyoshige Kojima, Junji Kodemura
  • Publication number: 20110008636
    Abstract: There is provided a curable resin composition comprising a cycloolefin polymer and a cyclic peroxide which has a cyclic structure and a peroxy structure in the cyclic structure. There is also provided a laminate obtained by using a molded article which is obtained by forming the curable resin composition into a sheet shape or a prepreg which is obtained by impregnating the curable resin composition into a reinforcing fiber.
    Type: Application
    Filed: March 2, 2009
    Publication date: January 13, 2011
    Inventors: Takashi Kiuchi, Kiyoshige Kojima
  • Patent number: D790452
    Type: Grant
    Filed: December 18, 2015
    Date of Patent: June 27, 2017
    Assignee: ZEON CORPORATION
    Inventors: Kiyoshige Kojima, Yuki Hayashi
  • Patent number: D800649
    Type: Grant
    Filed: May 15, 2017
    Date of Patent: October 24, 2017
    Assignee: ZEON CORPORATION
    Inventors: Kiyoshige Kojima, Yuki Hayashi
  • Patent number: D803774
    Type: Grant
    Filed: May 15, 2017
    Date of Patent: November 28, 2017
    Assignee: ZEON CORPORATION
    Inventors: Kiyoshige Kojima, Yuki Hayashi
  • Patent number: D817867
    Type: Grant
    Filed: June 5, 2017
    Date of Patent: May 15, 2018
    Assignee: ZEON CORPORATION
    Inventors: Kiyoshige Kojima, Yuki Hayashi
  • Patent number: D824850
    Type: Grant
    Filed: November 26, 2015
    Date of Patent: August 7, 2018
    Assignee: ZEON CORPORATION
    Inventors: Kiyoshige Kojima, Yuki Hayashi