Patents by Inventor Chang Jung Park

Chang Jung Park 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).

  • Publication number: 20180029420
    Abstract: In view of the above, the disclosure provides a non-pneumatic tire capable of enhancing a load supporting performance and a shock absorbing effect and improving a braking and traction performance. The present disclosure provides a non-pneumatic tire comprising a band part and a spoke part; where, a band part includes an inner band and an outer band that is separated from the inner band and surrounds an outer peripheral surface of the inner band; and where, a spoke part includes a plurality of first spokes that is arranged in a circumferential direction between the inner band and the outer band and connects the inner band and the outer band. Furthermore, according to another embodiment, a spoke part may include second spokes that connected to first spokes adjacent to each other at wherein first embodiment.
    Type: Application
    Filed: May 17, 2017
    Publication date: February 1, 2018
    Inventors: Kee-Woon Kim, Chang-Jung Park, Chul-Woo Kwark, Gwi-Sung Shin, Soon-Wook Hwang, Michio Shimizu, Jun Matsuda
  • Publication number: 20180029419
    Abstract: A non-pneumatic tire includes a band part, including an inner band and an outer band that is separated from the inner band and surrounds an outer peripheral surface of the inner band; and a spoke part, extending in a circumferential direction between the inner band and the outer band, having a circumferential cross section having one or more holes.
    Type: Application
    Filed: July 7, 2017
    Publication date: February 1, 2018
    Inventors: Kee-Woon KIM, Chul-Woo KWARK, Chang-Jung PARK, Gwi-Sung SHIN, Soon-Wook HWANG, Michio SHIMIZU, Jun MATSUDA
  • Publication number: 20140302184
    Abstract: There is provided a natural antimicrobial including a mixture of tree essential oils, soybean oil, and a residual hydrocarbon extract extracted from a rutaceae plant, wherein the mixture is supported in a supporter, and an article including the antimicrobial are provided. The antimicrobial is comprised of only natural materials, so it is harmless to human beings and environmentally friendly. Also, in the antimicrobial, tree essential oils is supported together with soybean carrier oil in a supporter, and thus, volatility of tree essential oils is controlled by the soybean oil, whereby the tree essential oils is naturally emitted to have an effective antibiosis for a long period of time. Thus, extra power, driving device (e.g., a fan), or the like, is not required to emit the tree essential oils. In addition, the antimicrobial is actively emitted in the air, having efficacy of continuously annihilate bacteria, virus, or the like.
    Type: Application
    Filed: September 28, 2012
    Publication date: October 9, 2014
    Applicant: COWAY CO., LTD.
    Inventors: Jun-Young Yoo, Chang-Jung Park, Kyung-Hwan Lee
  • Patent number: D665727
    Type: Grant
    Filed: October 26, 2011
    Date of Patent: August 21, 2012
    Assignee: Kumho Tire Co., Inc.
    Inventors: Jae Moon Lee, Uk Seo, Hae Dong Jung, Chang Jung Park, Jae Phil Park, Christopher T. Baker, Edward P. Cercek, Terry M. Edwards
  • Patent number: D726100
    Type: Grant
    Filed: February 24, 2014
    Date of Patent: April 7, 2015
    Assignee: Kumho Tire Co., Inc.
    Inventors: Hae-Dong Jeong, Jae-Hyun Han, Tae-Min Kim, Jae-Phil Park, Chang-Jung Park, In-Hee Park, Uk Seo, Sung-Hoon In
  • Patent number: D778809
    Type: Grant
    Filed: April 8, 2014
    Date of Patent: February 14, 2017
    Assignee: KUMHO TIRE CO., INC.
    Inventors: Jae-Hyun Han, Tae-Min Kim, Jae-Phil Park, Chang-Jung Park, Hae-Dong Jeong, In-Hee Park, Uk Seo, Sung-Hoon In
  • Patent number: D780095
    Type: Grant
    Filed: April 25, 2014
    Date of Patent: February 28, 2017
    Assignee: KUMHO TIRE CO., INC.
    Inventors: Jae-Hyun Han, Tae-Min Kim, Jae-Phil Park, Chang-Jung Park, Hae-Dong Jong, In-Hee Park, Uk Seo, Sung-Hoon In
  • Patent number: D786786
    Type: Grant
    Filed: April 8, 2014
    Date of Patent: May 16, 2017
    Assignee: KUMHO TIRE CO., INC.
    Inventors: Sung-Hoon In, Jae-Hyun Han, Tae-Min Kim, Jae-Phil Park, Chang-Jung Park, Hae-Dong Jeong, In-Hee Park, Uk Seo
  • Patent number: D787426
    Type: Grant
    Filed: April 25, 2014
    Date of Patent: May 23, 2017
    Assignee: Kumho Tire Co., Inc.
    Inventors: Uk Seo, Jae-Hyun Han, Tae-Min Kim, Jae-Phil Park, Chang-Jung Park, Hae-Dong Jeong, In-Hee Park, Sung-Hoon In
  • Patent number: D803146
    Type: Grant
    Filed: October 19, 2015
    Date of Patent: November 21, 2017
    Inventors: Kee-Woon Kim, Chang-Jung Park, Michio Shimizu, Hiroshi Hata, Jun Matsuda