Patents by Inventor Toyoji Nagano

Toyoji Nagano 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).

  • Electrically conductive powder and production thereof, paste of electrically conductive powder and production of paste of electrically conductive powder
    Patent number: 9011726
    Abstract: Electrically conductive powder includes polyhedral large particles and flakey small particles. The aspect ratio of the small particles is not less than 3 and is at least 1.3 times greater than that of the large particles. The electrically conductive powder is surface treated with a fatty acid. The electrically conductive powder has good contact among the polyhedral large particles and the flakey small particles. An electrically conductive paste of the electrically conductive powder achieves excellent electrical and thermal conductivities because the particles are in contact not at points but through surfaces. The electrically conductive paste is capable of filling via-holes in a satisfactory manner.
    Type: Grant
    Filed: September 29, 2006
    Date of Patent: April 21, 2015
    Assignee: Alpha Scientific, Corporation
    Inventors: Toyoji Nagano, Kinji Oono, Shoko Kuwajima
  • Electrically Conductive Powder and Production Thereof, Paste of Electrically Conductive Powder and Production of Paste of Electrically Conductive Powder
    Publication number: 20090127518
    Abstract: Electrically conductive powder includes polyhedral large particles and flakey small particles. The aspect ratio of the small particles is not less than 3 and is at least 1.3 times greater than that of the large particles. The electrically conductive powder is surface treated with a fatty acid. The electrically conductive powder has good contact among the polyhedral large particles and the flakey small particles. An electrically conductive paste of the electrically conductive powder achieves excellent electrical and thermal conductivities because the particles are in contact not at points but through surfaces. The electrically conductive paste is capable of filling via-holes in a satisfactory manner.
    Type: Application
    Filed: September 29, 2006
    Publication date: May 21, 2009
    Applicant: ALPHA SCIENTIFIC, CORPORATION
    Inventors: Toyoji Nagano, Kinji Oono, Shoko Kuwajima