Inventor · disambiguated record
Philip Zimmermann
Also filed as: ZIMMERMANN PHILIP · ZIMMERMANN PHILIP R
5 granted patents·1 pending application·487 citations·filing 1992–2021
85Inventor score
Top patents by PatentIndex Score
6 records- 0191US7730309B2Method and system for key management in voice over internet protocolZIMMERMANN PHILIP R·Filed 2006·Granted Jun 1, 2010·73 cites·3 claims
- 0288US7139399B1Cryptographic system with methods for user-controlled message recoveryPGP CORP·Filed 2001·Granted Nov 21, 2006·86 cites·32 claims
- 0384US6314190B1Cryptographic system with methods for user-controlled message recoveryNETWORKS ASSOC TECH INC·Filed 1998·Granted Nov 6, 2001·165 cites·31 claims
- 0484US5471190AMethod and apparatus for resource allocation in a communication network systemSCHOECHLE TIMOTHY D·Filed 1992·Granted Nov 28, 1995·163 cites·13 claims
- 0552US12472967B2Intelligent head-up displayVOLKSWAGEN AG·Filed 2021·Granted Nov 18, 2025·0 cites·18 claims
- 0633US2013157887A1Discrete states for use as biomarkersBELEUT MANFRED·Filed 2011·Application pending·0 cites
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →