Patents by Inventor Motoyoshi TOKUNAGA

Motoyoshi TOKUNAGA 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).

  • ELECTRICAL CHARGE AND DISCHARGE CIRCUIT, AND AN EMBEDDED CONTROLLER
    Publication number: 20110307733
    Abstract: This invention provides an electrical charge and discharge circuit suitable for supplying power for backup operation function to a system power source with use of a battery module for low voltage. The battery modules are connected in parallel, in case of charging to the battery modules, and the battery modules are serially connected, in case of discharging charged power and supplying power to the load. This invention also comprises a contact switch provided between a plus terminal and a minus terminal of the battery module connected serially at discharge.
    Type: Application
    Filed: June 14, 2011
    Publication date: December 15, 2011
    Inventor: Motoyoshi TOKUNAGA