RC

Ramsay Chang

EI Electric Power Research Institute: 22 patents #2 of 1,201Top 1%
UI University Of Illinois: 3 patents #351 of 3,009Top 15%
EL Electric Power Research Limited: 1 patents #1 of 13Top 8%
📍 Mountain View, CA: #700 of 11,022 inventorsTop 7%
🗺 California: #19,737 of 386,348 inventorsTop 6%
Overall (All Time): #146,618 of 4,157,543Top 4%
27
Patents All Time

Issued Patents All Time

Showing 26–27 of 27 patents

Patent #TitleCo-InventorsDate
5158580 Compact hybrid particulate collector (COHPAC) — 1992-10-27
5024681 Compact hybrid particulate collector — 1991-06-18