Patents by Inventor Chiho Konno

Chiho Konno 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).

  • Patent number: 6429626
    Abstract: The present invention enables to mount a primary cell to increase the battery capacity and to charge a secondary cell while the primary cell is mounted. A select switch selects a first selectable terminal or a second selectable terminal having a higher voltage applied. A control circuit selects a secondary cell or a primary cell which can output a higher voltage and outputs voltage from that cell.
    Type: Grant
    Filed: May 11, 2000
    Date of Patent: August 6, 2002
    Assignee: Sony Corporation
    Inventors: Chiho Konno, Bunya Sato