YC

Yong Keun Chang

KAIST: 5 patents #2,370 of 11,619Top 25%
📍 Beomseo-eup, KR: #3 of 12 inventorsTop 25%
Overall (All Time): #832,025 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
10793785 Hydrocracking catalyst based on hierarchically porous beta zeolite and method of preparing the same and method of preparing bio-jet fuel from triglyceride-containing biomass using the same Minkee Choi, Myoung Yeob Kim 2020-10-06
6596521 Method for manufacturing organic acid by high-efficiency continuous fermentation Ho Nam Chang, Sun Hoon Kwon, Woo-Gi Lee, Pyung Cheon Lee, Ik Keun Yoo +1 more 2003-07-22
6238625 Sealed high-density on-line measuring device Jong-Dae Lee, Yong Ho Jung 2001-05-29
6204046 Gordona sp. CYKS1 (KCTC 0431BP) capable of desulfurizing fossil fuel containing organic sulfur compounds Ho Nam Chang, Sung-Keun Rhee, Je Hwan Chang, Jung Hyun Sung 2001-03-20
6197570 Norcardia sp. CKYS2 ((KCTC 0432BP) capable of desulfurizing fossil fuel containing organic sulfur compounds Ho Nam Chang, Sung-Keun Rhee, Je Hwan Chang, Jung Hyun Sung 2001-03-06
5242643 Bubble column reactor with dispersing devices SANG DU KIM, Hee Wook Ryu 1993-09-07