Patents by Inventor Kazuhide Kusakabe

Kazuhide Kusakabe 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: 9530920
    Abstract: A photoelectric conversion device which is a semiconductor device comprising a first conductive layer having a first conductivity type; a second conductive layer formed on the first conductive layer and having a second conductivity type; and a photosensitizing layer formed between the first conductive layer and the second conductive layer, wherein charge carriers generated by photoelectric conversion in the photosensitizing layer are freely movable to at least one of the first conductive layer and the second conductive layer.
    Type: Grant
    Filed: August 5, 2010
    Date of Patent: December 27, 2016
    Assignee: National University Corporation Chiba University
    Inventors: Akihiko Yoshikawa, Yoshihiro Ishitani, Kazuhide Kusakabe
  • Patent number: 9509124
    Abstract: A photoelectric conversion device which inhibits characteristic degradation caused by crystal defects, and an inspection method for crystal defects in photoelectric conversion devices. The photoelectric conversion device is provided with an active layer, and a deactivator contained in the active layer.
    Type: Grant
    Filed: March 14, 2011
    Date of Patent: November 29, 2016
    Assignee: NATIONAL UNIVERSITY CORPORATION CHIBA UNIVERSITY
    Inventors: Akihiko Yoshikawa, Yoshihiro Ishitani, Kazuhide Kusakabe
  • Patent number: 9444000
    Abstract: A solar cell is provided with: a first conductivity layer comprising a first conductivity type material; a sensitizer layer formed on the first conductivity layer; and a second conductivity layer comprising a second conductivity type material and formed on the sensitizer layer. At least one of the first conductivity layer, the second conductivity layer and the sensitizer layer has a first semiconductor of a first film thickness and a second semiconductor of a second film thickness.
    Type: Grant
    Filed: June 17, 2011
    Date of Patent: September 13, 2016
    Assignee: NATIONAL UNIVERSITY CORPORATION CHIBA UNIVERSITY
    Inventors: Akihiko Yoshikawa, Yoshihiro Ishitani, Kazuhide Kusakabe
  • Publication number: 20130208267
    Abstract: Disclosed is a photoelectric conversion device which inhibits characteristic degradation caused by crystal defects, and an inspection method for crystal defects in photoelectric conversion devices. The photoelectric conversion device is provided with an active layer, and a deactivator contained in the active layer.
    Type: Application
    Filed: March 14, 2011
    Publication date: August 15, 2013
    Inventors: Akihiko Yoshikawa, Yoshihiro Ishitani, Kazuhide Kusakabe
  • Publication number: 20130174894
    Abstract: A solar cell is provided with: a first conductivity layer comprising a first conductivity type material; a sensitizer layer formed on the first conductivity layer; and a second conductivity layer comprising a second conductivity type material and formed on the sensitizer layer. At least one of the first conductivity layer, the second conductivity layer and the sensitizer layer has a first semiconductor of a first film thickness and a second semiconductor of a second film thickness.
    Type: Application
    Filed: June 17, 2011
    Publication date: July 11, 2013
    Inventors: Akihiko Yoshikawa, Yoshihiro Ishitani, Kazuhide Kusakabe
  • Publication number: 20130016345
    Abstract: Disclosed is a photoelectric conversion device which inhibits characteristic degradation caused by crystal defects, and an inspection method for crystal defects in photoelectric conversion devices. The photoelectric conversion device is provided with an active layer, and a deactivator contained in the active layer.
    Type: Application
    Filed: March 14, 2011
    Publication date: January 17, 2013
    Inventors: Akihiko Yoshikawa, Yoshihiro Ishitani, Kazuhide Kusakabe
  • Publication number: 20120186640
    Abstract: A photoelectric conversion device which is a semiconductor device comprising a first conductive layer having a first conductivity type; a second conductive layer formed on the first conductive layer and having a second conductivity type; and a photosensitizing layer formed between the first conductive layer and the second conductive layer, wherein charge carriers generated by photoelectric conversion in the photosensitizing layer are freely movable to at least one of the first conductive layer and the second conductive layer.
    Type: Application
    Filed: August 5, 2010
    Publication date: July 26, 2012
    Applicant: NATIONAL UNIVERSITY CORPORATION CHIBA UNIVERSITY
    Inventors: Akihiko Yoshikawa, Yoshihiro Ishitani, Kazuhide Kusakabe