Patents by Inventor Ayumi Murakami

Ayumi Murakami 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: 20220056297
    Abstract: The electroconductive inkjet ink disclosed herein contains at least inorganic powder containing high melting point metal particles, a dispersant, an organic solvent, and a poly(vinyl acetal) resin. In the electroconductive ink, the inorganic powder has an average primary particle diameter of 500 nm or less, a volume ratio of the inorganic powder is 7.5% by volume or lower, the ratio (SI/VD) of the specific surface area of the inorganic powder with respect to the volume of the dispersant is 0.25 or higher and 10 or lower, the poly(vinyl acetal) resin has an average molecular weight of 2.5×104 or larger and 6.4×104 or smaller, and the ratio (WPA/WS) of the weight of the poly(vinyl acetal) resin with respect to the weight of the organic solvent is 0.5% by weight or higher and 3% by weight or lower.
    Type: Application
    Filed: February 19, 2020
    Publication date: February 24, 2022
    Inventors: Hiromichi Hayashi, Ayumi Murakami
  • Patent number: 8512601
    Abstract: It is provided a paste composition for a solar cell electrode containing a conductive powder, a glass frit, and a vehicle, the glass frit being made of glass containing PbO, B2O3, and SiO2 at proportions within ranges of 46 to 57 (mol %), 1 to 7 (mol %), and 38 to 53 (mol %), respectively, in terms of oxide.
    Type: Grant
    Filed: January 28, 2010
    Date of Patent: August 20, 2013
    Assignee: Noritake Co., Limited
    Inventors: Takahiro Sugiyama, Atsushi Nagai, Ayumi Murakami
  • Publication number: 20110309312
    Abstract: It is provided a paste composition for a solar cell electrode containing a conductive powder, a glass frit, and a vehicle, the glass frit being made of glass containing PbO, B2O3, and SiO2 at proportions within ranges of 46 to 57 (mol %), 1 to 7 (mol %), and 38 to 53 (mol %), respectively, in terms of oxide.
    Type: Application
    Filed: January 28, 2010
    Publication date: December 22, 2011
    Applicant: NORITAKE CO., LIMITED
    Inventors: Takahiro Sugiyama, Atsushi Nagai, Ayumi Murakami