Patents by Inventor Nobuyuki Takami

Nobuyuki Takami 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).

  • Storage battery having a plurality of containers with one cover
    Patent number: 6635380
    Abstract: The present invention provides a high output storage battery with a high reliability that is easy to fabricate. This storage battery comprises a plurality of monoblock containers united to each other with space provided between the adjacent monoblock containers and one common cover to seal the openings of those monoblock containers. Each monoblock container has a plurality of cell compartments separated from each other by partitions. Each of those cell compartments houses an assembly element comprising a plurality of positive electrode plates and negative electrode plates stacked with separators placed between them.
    Type: Grant
    Filed: June 6, 2000
    Date of Patent: October 21, 2003
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Kazuhiko Shimoda, Akira Iwamura, Yasuyuki Yoshihara, Ayako Hirao, Nobuyuki Takami, Kiichi Koike
  • Method for charging determining life of and detecting state of charge of battery
    Patent number: 6583606
    Abstract: A method for charging a lead battery is provided. In the method, a SOC is controlled so as to be less than 100%, and when the lead battery has not been charged and discharged for a predetermined time, refresh charge is performed so that the SOC becomes at least 90% or more.
    Type: Grant
    Filed: May 29, 2001
    Date of Patent: June 24, 2003
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Kiichi Koike, Nobuyuki Takami, Yasuyuki Yoshihara, Hiroyuki Jimbo
  • Method for charging battery
    Publication number: 20020014879
    Abstract: A method for charging a lead battery is provided. In the method, a SOC is controlled so as to be less than 100%, and when the lead battery has not been charged and discharged for a predetermined time, refresh charge is performed so that the SOC becomes at least 90% or more.
    Type: Application
    Filed: May 29, 2001
    Publication date: February 7, 2002
    Inventors: Kiichi Koike, Nobuyuki Takami, Yasuyuki Yoshihara, Hiroyuki Jimbo