Patents by Inventor Mamiko Iwaya

Mamiko Iwaya 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).

  • Solar cell and composition used for manufacturing solar cell
    Patent number: 8425807
    Abstract: A paste-like composition for a solar cell provided by the present invention contains a mixed aluminum powder prepared by mixing a small particle diameter aluminum powder, which has a D50 of particle size distribution based on laser diffraction of 3 ?m or less and a ratio of D10 to D90 (D10/D90) of 0.2 or more, and a large particle diameter aluminum powder, which has a D50 that is 2 to 6 times the D50 of the small particle diameter aluminum powder and a ratio of D10/D90 of 0.2 or more.
    Type: Grant
    Filed: November 27, 2008
    Date of Patent: April 23, 2013
    Assignee: Noritake Co., Ltd
    Inventors: Shinji Senda, Mamiko Iwaya
  • SOLAR CELL AND COMPOSITION USED FOR MANUFACTURING SOLAR CELL
    Publication number: 20100252095
    Abstract: A paste-like composition for a solar cell provided by the present invention contains a mixed aluminum powder prepared by mixing a small particle diameter aluminum powder, which has a D50 of particle size distribution based on laser diffraction of 3 ?m or less and a ratio of D10 to D90 (D10/D90) of 0.2 or more, and a large particle diameter aluminum powder, which has a D50 that is 2 to 6 times the D50 of the small particle diameter aluminum powder and a ratio of D10/D90 of 0.2 or more.
    Type: Application
    Filed: November 27, 2008
    Publication date: October 7, 2010
    Applicant: NORITAKE CO., LTD.
    Inventors: Shinji Senda, Mamiko Iwaya