Patents by Inventor Hwang Du CHEOL

Hwang Du CHEOL 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).

  • WASHING HYDROGEN WATER PRODUCING METHOD AND PRODUCING APPARATUS
    Publication number: 20170015956
    Abstract: A method of producing washing hydrogen water in an embodiment, includes: a step of storing ammonia water in a first tank; a step of transferring the ammonia water from the first tank to a second tank; a step of diluting the transferred ammonia water with ultrapure water in the second tank; a step of mixing the diluted ammonia water into hydrogen water; and a washing step of washing an inside of the first tank by ultrapure water to remove fine particles derived from ammonia generated in the first tank.
    Type: Application
    Filed: July 14, 2016
    Publication date: January 19, 2017
    Applicants: NOMURA MICRO SCIENCE CO., LTD., ACM RESEARCH (SHANGHAI), INC., HJS ENG CO., LTD.
    Inventors: Takayuki JIZAIMARU, David H. WANG, Hwang Du CHEOL