Inventor · disambiguated record

Hamid C. Razavi

Also filed as: RAZAVI HAMID C

1 granted patent·144 citations·filing 1990–1990

54Inventor score

Technology areasG06Q

Files withAT & T BELL LAB1

Top patents by PatentIndex Score

1 record

0158US5163086ATelephone network credit card calling apparatus and method of operation to determine validation and fraudulent use of credit cards in placing telephone callsAT & T BELL LAB·Filed 1990·Granted Nov 10, 1992·144 cites·16 claims

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