Patents by Inventor EULHYUN KIM

EULHYUN KIM 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).

  • Pump unit and method of manufacturing same
    Patent number: 10605239
    Abstract: The pump unit comprises a pump including a piezoelectric element and a discharge mechanism for discharging fluid according to operation of the piezoelectric element, and a valve mechanism attached to the pump. The discharge mechanism and the valve mechanism are separately formed by joining a plurality of metal layer pieces stacked in a predetermined stacking direction by diffusion welding, and are secured to each other by diffusion welding.
    Type: Grant
    Filed: February 12, 2016
    Date of Patent: March 31, 2020
    Assignee: DAIKEN MEDICAL CO., LTD.
    Inventors: Masayuki Uruma, Yasunari Kabasawa, Eulhyun Kim
  • PUMP UNIT AND METHOD OF MANUFACTURING SAME
    Publication number: 20180045191
    Abstract: The pump unit comprises a pump including a piezoelectric element and a discharge mechanism for discharging fluid according to operation of the piezoelectric element, and a valve mechanism attached to the pump. The discharge mechanism and the valve mechanism are separately formed by joining a plurality of metal layer pieces stacked in a predetermined stacking direction by diffusion welding, and are secured to each other by diffusion welding.
    Type: Application
    Filed: February 12, 2016
    Publication date: February 15, 2018
    Inventors: Masayuki URUMA, Yasunari KABASAWA, EULHYUN KIM