Patents by Inventor Michimasa Kikuchi

Michimasa Kikuchi 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).

  • Photoelectric conversion device
    Patent number: 9935219
    Abstract: It is an object of the present invention to improve photoelectric conversion efficiency in a photoelectric conversion device. The photoelectric conversion device 11 according to the present invention uses a polycrystalline semiconductor layer including a plurality of semiconductor particles 3a coupled together as a light-absorbing layer 3, each of the semiconductor particles 3a including a group I-III-VI compound, each of the semiconductor particles 3a having a higher composition ratio PI of a group I-B element to a group III-B element in a surface portion thereof than that in a central portion thereof.
    Type: Grant
    Filed: October 10, 2016
    Date of Patent: April 3, 2018
    Assignee: KYOCERA Corporation
    Inventors: Shintaro Kubo, Michimasa Kikuchi, Hideaki Asao, Shinnosuke Ushio
  • PHOTOELECTRIC CONVERSION DEVICE
    Publication number: 20170025556
    Abstract: It is an object of the present invention to improve photoelectric conversion efficiency in a photoelectric conversion device. The photoelectric conversion device 11 according to the present invention uses a polycrystalline semiconductor layer including a plurality of semiconductor particles 3a coupled together as a light-absorbing layer 3, each of the semiconductor particles 3a including a group I-III-VI compound, each of the semiconductor particles 3a having a higher composition ratio PI of a group I-B element to a group III-B element in a surface portion thereof than that in a central portion thereof.
    Type: Application
    Filed: October 10, 2016
    Publication date: January 26, 2017
    Inventors: Shintaro KUBO, Michimasa KIKUCHI, Hideaki ASAO, Shinnosuke USHIO
  • Photoelectric conversion device
    Patent number: 9484476
    Abstract: It is an object of the present invention to improve photoelectric conversion efficiency in a photoelectric conversion device. The photoelectric conversion device according to the present invention uses a polycrystalline semiconductor layer including a plurality of semiconductor particles coupled together as a light-absorbing layer, each of the semiconductor particles including a group I-III-VI compound, each of the semiconductor particles having a higher composition ratio PI of a group I-B element to a group III-B element in a surface portion thereof than that in a central portion thereof.
    Type: Grant
    Filed: March 15, 2012
    Date of Patent: November 1, 2016
    Assignee: KYOCERA CORPORATION
    Inventors: Shintaro Kubo, Michimasa Kikuchi, Hideaki Asao, Shinnosuke Ushio
  • PHOTOELECTRIC CONVERSION DEVICE
    Publication number: 20140014177
    Abstract: It is an object of the present invention to improve photoelectric conversion efficiency in a photoelectric conversion device. The photoelectric conversion device according to the present invention uses a polycrystalline semiconductor layer including a plurality of semiconductor particles coupled together as a light-absorbing layer, each of the semiconductor particles including a group I-III-VI compound, each of the semiconductor particles having a higher composition ratio PI of a group I-B element to a group III-B element in a surface portion thereof than that in a central portion thereof.
    Type: Application
    Filed: March 15, 2012
    Publication date: January 16, 2014
    Applicant: KYOCERA CORPORATION
    Inventors: Shintaro Kubo, Michimasa Kikuchi, Hideaki Asao, Shinnosuke Ushio