Inventor · disambiguated record
Usha Rao
Also filed as: RAO USHA
3 granted patents·302 citations·filing 1989–1997
79Inventor score
Top patents by PatentIndex Score
3 records- 0191US5583564AIntelligent call forwarding with videophone display of forwarding destinationLUCENT TECHNOLOGIES INC·Filed 1995·Granted Dec 10, 1996·164 cites·12 claims
- 0282US4939771AAttendant-controlled call message delivery system and methodAT & T BELL LAB·Filed 1989·Granted Jul 3, 1990·75 cites·20 claims
- 0368US5946380ACommunications system and method with call expenditure controlAT & T CORP·Filed 1997·Granted Aug 31, 1999·63 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →