Patents by Inventor Hidekatsu Aoyagi

Hidekatsu Aoyagi 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: 20110171757
    Abstract: Provided is a method of manufacturing a photovoltatic cell according to the present invention, the photovoltatic cell including a substrate, and a structure in which a first conductive layer, a photoelectric conversion layer and a second conductive layer are superposed on the substrate in this order; the structure is electrically separated by a predetermined size to form a plurality of compartment elements; and the compartment elements adjacent to each other are electrically connected to each other, the method including: a defect region specifying step of specifying a region in which a structural defect exists from the plurality of compartment elements; and a repairing step of irradiating the region or the periphery thereof with a laser beam to remove the structural defect, wherein the repairing step includes a step ? of irradiating the structure with a first laser to remove or separate the region, and a step ? of irradiating an end portion of the structure generated by the removal or separation with a second
    Type: Application
    Filed: September 17, 2009
    Publication date: July 14, 2011
    Applicant: ULVAC, INC.
    Inventors: Kazuhiro Yamamuro, Junpei Yuyama, Yibing Song, Hidekatsu Aoyagi