Patents by Inventor Duck-soo Jang

Duck-soo Jang 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).

  • Solder composition
    Patent number: 11517985
    Abstract: Provided is a solder composition including a flux, a solder alloy, and a silicone oil. The solder composition can have a kinematic viscosity at 25° C. of 5000 mm2/s or more and 200,000 mm2/s or less. The silicone oil can be at least one member selected from the group consisting of dimethyl silicone oil, methylphenyl silicone oil, methylhydrogen silicone oil, reactive silicone oil, and non-reactive silicone oil.
    Type: Grant
    Filed: July 11, 2017
    Date of Patent: December 6, 2022
    Assignee: KOKI COMPANY LIMITED
    Inventors: Noriyoshi Uchida, Duck-Soo Jang, Ju-Heung Kim, Ho-Won Seok
  • Solder Composition
    Publication number: 20190308284
    Abstract: Provided is a solder composition including a flux, a solder alloy, and a silicone oil.
    Type: Application
    Filed: July 11, 2017
    Publication date: October 10, 2019
    Inventors: Noriyoshi Uchida, Duck-soo Jang, Ju-Heung Kim, Ho-won Seok