Patents by Inventor Shunichi Fujishima

Shunichi Fujishima 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).

  • Trade-in battery system
    Patent number: 6940254
    Abstract: A trade-in battery system for purchasing used secondary batteries and selling the charged used secondary batteries, wherein the trade-in battery system comprises a purchasing step, a pre-storage deterioration inspection step, a charging step, a storage step, a packaging step, and a selling step.
    Type: Grant
    Filed: November 3, 2003
    Date of Patent: September 6, 2005
    Assignee: Sony Corporation
    Inventors: Masayuki Nagamine, Masayoshi Kanno, Shunichi Fujishima
  • Trade-in battery system
    Publication number: 20050001591
    Abstract: A trade-in battery system for purchasing used secondary batteries and selling the charged used secondary batteries, wherein the trade-in battery system comprises a purchasing step, a pre-storage deterioration inspection step, a charging step, a storage step, a packaging step, and a selling step.
    Type: Application
    Filed: November 3, 2003
    Publication date: January 6, 2005
    Inventors: Masayuki Nagamine, Masayoshi Kanno, Shunichi Fujishima