Inventor · disambiguated record

Robert A. Friedman

Also filed as: FRIEDMAN ROBERT A

2 granted patents·67 citations·filing 1979–1981

65Inventor score

Technology areasH10F H10P

Files withEXXON RESEARCH ENGINEERING CO2

Top patents by PatentIndex Score

2 records

0186US4251289AGradient doping in amorphous siliconEXXON RESEARCH ENGINEERING CO·Filed 1979·Granted Feb 17, 1981·50 cites·9 claims
0255US4417092ASputtered pin amorphous silicon semi-conductor device and method thereforEXXON RESEARCH ENGINEERING CO·Filed 1981·Granted Nov 22, 1983·17 cites·18 claims

Join the waitlist — get patent alerts

Get an alert when Robert A. Friedman files or is granted a new patent.

We store only your email — no account needed. See our privacy policy.

Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →