Patents by Inventor Kenkichiro Kobayashi

Kenkichiro Kobayashi 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).

  • P-type oxide composition, and method for producing P-type oxide composition
    Patent number: 9396937
    Abstract: To provide an oxide composition, represented by: ZnO1?xSx+? (0<x?0.5, ?>0), where part of O sites of ZnO is substituted with an S atom, and another S atom is provided to an interstitial site by doping, and wherein the oxide composition is p-type.
    Type: Grant
    Filed: February 27, 2014
    Date of Patent: July 19, 2016
    Assignee: RICOH COMPANY, LTD.
    Inventors: Satomi Sabu, Kenkichiro Kobayashi
  • P-TYPE OXIDE COMPOSITION, AND METHOD FOR PRODUCING P-TYPE OXIDE COMPOSITION
    Publication number: 20140252344
    Abstract: To provide an oxide composition, represented by: ZnO1-xSx+a (0<x?0.5, a>0), where part of O sites of ZnO is substituted with an S atom, and another S atom is provided to an interstitial site by doping, and wherein the oxide composition is p-type.
    Type: Application
    Filed: February 27, 2014
    Publication date: September 11, 2014
    Applicant: RICOH COMPANY, LTD.
    Inventors: Satomi Sabu, Kenkichiro Kobayashi
  • Electrolytic solution for a redox system
    Patent number: 4591453
    Abstract: An electrolytic solution for use in a redox system, including is a nonaqueous solvent which is acetonitrile or propylene carbonate and an electrolyte, which is a complex salt including dipyridyl or phenanthroline and a metal ion.
    Type: Grant
    Filed: September 6, 1984
    Date of Patent: May 27, 1986
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventor: Kenkichiro Kobayashi