Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
ES

Erdmann F. Schubert

ATAT&T: 19 patents #866 of 18,772Top 5%
American Telephone And Telegraph: 1 patents #132 of 699Top 20%
Hazlet, NJ: #6 of 115 inventorsTop 6%
New Jersey: #2,503 of 69,400 inventorsTop 4%
Overall (All Time): #140,296 of 4,157,543Top 4%
28 Patents All Time

Issued Patents All Time

Showing 26–28 of 28 patents

Patent #TitleCo-InventorsDate
4784967 Method for fabricating a field-effect transistor with a self-aligned gate John E. Cunningham, Won-Tien Tsang 1988-11-15
4780748 Field-effect transistor having a delta-doped ohmic contact John E. Cunningham, Won-Tien Tsang 1988-10-25
4772934 Delta-doped ohmic metal to semiconductor contacts John E. Cunningham, Won-Tien Tsang 1988-09-20