DJ

Dal Sik Jang

DC Doosan Infracore Co.: 3 patents #3 of 70Top 5%
📍 Seoul, KR: #1,133 of 7,803 inventorsTop 15%
Overall (2017): #81,845 of 506,227Top 20%
3
Patents 2017

Issued Patents 2017

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
9829013 Hydraulic system for construction machine Yong Lak Cho, Woo Yong Jung, Min Ha An, A Reum SEO, Sang-Woo Lee +1 more 2017-11-28
9618018 Hydraulic system for construction equipment Min Ha An, Woo Yong Jung, Yong Lak Cho, A Reum SEO, Kwang Ho Lim 2017-04-11
9580888 Apparatus and method for controlling oil hydraulic pump for excavator Min Ha Ahn, Woo Yong Jung, Hyeon Sik Ahn, Kwang Ho Lim 2017-02-28