YC

Yu-Hwa Chang

HG Headwaters Technology Innovation Group: 3 patents #10 of 25Top 40%
AX Axens: 1 patents #46 of 117Top 40%
HO Headwaters Heavy Oil: 1 patents #6 of 13Top 50%
📍 Plainsboro, NJ: #431 of 1,381 inventorsTop 35%
🗺 New Jersey: #16,490 of 69,400 inventorsTop 25%
Overall (All Time): #939,338 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
11549072 Overpressure protection in hot high pressure processing systems in multi-stage up-flow reactor systems Trushit Oza 2023-01-10
9790440 Methods for increasing catalyst concentration in heavy oil and/or coal resid hydrocracker 2017-10-17
8557105 Methods for increasing catalyst concentration in heavy oil and/or coal resid hydrocracker Roger K. Lott 2013-10-15
8309041 Systems for increasing catalyst concentration in heavy oil and/or coal resid hydrocracker Roger K. Lott 2012-11-13
8034232 Methods for increasing catalyst concentration in heavy oil and/or coal resid hydrocracker Roger K. Lott 2011-10-11