Patents by Inventor Jai-Hwan Joo

Jai-Hwan Joo 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).

  • Secondary battery having electrolyte injection hole and method of fabricating the same
    Patent number: 9209437
    Abstract: A secondary battery including a cap assembly, the cap assembly including a cap plate having an electrolyte injection hole. The electrolyte injection hole includes a tapered portion having a roughened surface. The secondary battery further includes a sealing member located in the electrolyte injection hole, to seal the electrolyte injection hole. The sealing member includes a cap and a resin coated on the cap.
    Type: Grant
    Filed: June 23, 2009
    Date of Patent: December 8, 2015
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Jae-Il Seong, Hideaki Yoshio, Jai-Hwan Joo, Jin-Wook Kim, Soon-Ki Woo
  • SECONDARY BATTERY HAVING ELECTROLYTE INJECTION HOLE AND METHOD OF FABRICATING THE SAME
    Publication number: 20100003583
    Abstract: A secondary battery including a cap assembly, the cap assembly including a cap plate having an electrolyte injection hole. The electrolyte injection hole includes a tapered portion having a roughened surface. The secondary battery further includes a sealing member located in the electrolyte injection hole, to seal the electrolyte injection hole. The sealing member includes a cap and a resin coated on the cap.
    Type: Application
    Filed: June 23, 2009
    Publication date: January 7, 2010
    Applicant: Samsung SDI Co., Ltd.
    Inventors: Jae-Il Seong, Hideaki Yoshio, Jai-Hwan Joo, Jin-Wook Kim, Soon-Ki Woo