Patents by Inventor Akira TSUKUI

Akira TSUKUI 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).

  • SEALED BATTERY
    Publication number: 20140004411
    Abstract: A sealed battery that includes a battery case and a seal member is provided. The battery case includes a pour hole member provided with a pour hole and houses a charge-discharge element. The seal member seals the pour hole, the seal member is butt-welded with the pour hole member, at least a portion at which a reverse surface of the seal member faces the pour hole member each other having a flow channel, and the flow channel extends from a welded site to an opening portion of the pour hole.
    Type: Application
    Filed: June 19, 2013
    Publication date: January 2, 2014
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Tomohiro YOKOYAMA, Masaki KOIKE, Akira TSUKUI