Patents Assigned to PCN Corporation
  • Onboard battery management device
    Patent number: 7898263
    Abstract: A battery management device is provided for accurately measuring in a simple manner the internal resistance (reciprocal of conductance) of a battery that serves as the determination reference of the deterioration level of a battery without the application of an AC voltage to the battery while the battery remains onboard, and determining and displaying the deterioration level of the onboard battery.
    Type: Grant
    Filed: March 28, 2006
    Date of Patent: March 1, 2011
    Assignee: PCN Corporation
    Inventors: Koroku Ishida, Sumio Homma, Shigeki Homma, legal representative, Toshiko Homma, legal representative, Futao Kaneko, Takahiro Kawakami