Patents by Inventor Po-Jung Hwang

Po-Jung Hwang 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).

  • Rechargeable battery
    Patent number: 9099691
    Abstract: A rechargeable battery includes an electrode assembly having a plurality of first electrodes each including a first coated region coated with a first active material and a first uncoated region having a first alignment opening and a second alignment opening, a plurality of second electrodes each including a second coated region coated with a second active material and a second uncoated region having a third alignment opening and a fourth alignment opening, a separator between each first coated region and each second coated region; and a case housing the electrode assembly, wherein the first alignment openings are substantially aligned with each other, the second alignment openings are substantially aligned with each other, the third alignment openings are substantially aligned with each other, and the fourth alignment openings are substantially aligned with each other.
    Type: Grant
    Filed: September 14, 2010
    Date of Patent: August 4, 2015
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Po-Jung Hwang, Seung-Jae Lee, Yoo-Myung Kang, Jae-Do Ahn, Jae-Min Yang, Jeong-Heon Lee, Byeong-Yeol Song, Jae-Hyun Hwang, Sung-Soo Kim, Sae-Weon Roh
  • Rechargeable battery
    Patent number: 8974952
    Abstract: A rechargeable battery is disclosed.
    Type: Grant
    Filed: August 20, 2010
    Date of Patent: March 10, 2015
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Jun-Sik Kim, Po-Jung Hwang, Seung-Jae Lee, Yoo-Myung Kang, Sung-Soo Kim
  • Rechargeable battery
    Patent number: 8486160
    Abstract: A rechargeable battery comprises: an electrode assembly comprising a plurality of positive electrode plates, a plurality of negative electrode plates, and a plurality of separators; and a case enclosing the electrode assembly; wherein each separator in the plurality of separators comprises a central portion facing at least one of the positive and negative electrode plates, and an extended portion that extends past the positive and negative electrode plates, and wherein each of the extended portion comprises an adhered portion that is adhered to adjacent extended portions.
    Type: Grant
    Filed: December 3, 2010
    Date of Patent: July 16, 2013
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Po-Jung Hwang, Seung-Jae Lee, Yoo-Myung Kang, Jae-Do Ahn, Jae-Min Yang, Jeong-Heon Lee, Byeong-Yeol Song, Jae-Hyun Hwang, Sung-Soo Kim, Sae-Weon Roh
  • RECHARGEABLE BATTERY
    Publication number: 20110151307
    Abstract: A rechargeable battery comprises: an electrode assembly comprising a plurality of positive electrode plates, a plurality of negative electrode plates, and a plurality of separators; and a case enclosing the electrode assembly; wherein each separator in the plurality of separators comprises a central portion facing at least one of the positive and negative electrode plates, and an extended portion that extends past the positive and negative electrode plates, and wherein each of the extended portion comprises an adhered portion that is adhered to adjacent extended portions.
    Type: Application
    Filed: December 3, 2010
    Publication date: June 23, 2011
    Applicant: Samsung SDI Co., Ltd.
    Inventors: Po-Jung Hwang, Seung-Jae Lee, Yoo-Myung Kang, Jae-Do Ahn, Jae-Min Yang, Jeong-Heon Lee, Byeong-Yeol Song, Jae-Hyun Hwang, Sung-Soo Kim, Sae-Weon Roh
  • RECHARGEABLE BATTERY
    Publication number: 20110123857
    Abstract: A rechargeable battery includes an electrode assembly having a plurality of first electrodes each including a first coated region coated with a first active material and a first uncoated region having a first alignment opening and a second alignment opening, a plurality of second electrodes each including a second coated region coated with a second active material and a second uncoated region having a third alignment opening and a fourth alignment opening, a separator between each first coated region and each second coated region; and a case housing the electrode assembly, wherein the first alignment openings are substantially aligned with each other, the second alignment openings are substantially aligned with each other, the third alignment openings are substantially aligned with each other, and the fourth alignment openings are substantially aligned with each other.
    Type: Application
    Filed: September 14, 2010
    Publication date: May 26, 2011
    Inventors: Po-Jung Hwang, Seung-Jae Lee, Yoo-Myung Kang, Jae-Do Ahn, Jae-Min Yang, Jeong-Heon Lee, Byeong-Yeol Song, Jae-Hyun Hwang, Sung-Soo Kim, Sae-Weon Roh
  • RECHARGEABLE BATTERY
    Publication number: 20110086262
    Abstract: A rechargeable battery is disclosed.
    Type: Application
    Filed: August 20, 2010
    Publication date: April 14, 2011
    Applicant: Samsung SDI Co., Ltd.
    Inventors: Jun-Sik Kim, Po-Jung Hwang, Seung-Jae Lee, Yoo-Myung Kang, Sung-Soo Kim