Inventor · disambiguated record
Martin E. Hellman
Also filed as: DIFFIE BAILEY W · HELLMAN MARTIN E · HELLMAN MARTIN EDWARD
12 granted patents·4,607 citations·filing 1977–2014
94Inventor score
Files withHELLMAN MARTIN E6HELLMAN MARTIN EDWARD2STANFORD LELAND JUNIOR UNIV TR2AMERICA ONLINE INC1UNIV LELAND STANFORD JUNIOR1
Top patents by PatentIndex Score
12 records- 0198US4218582APublic key cryptographic apparatus and methodSTANFORD LELAND JUNIOR UNIV TR·Filed 1977·Granted Aug 19, 1980·768 cites·17 claims
- 0298US4200770ACryptographic apparatus and methodSTANFORD LELAND JUNIOR UNIV TR·Filed 1977·Granted Apr 29, 1980·1.4k cites·8 claims
- 0397US4658093ASoftware distribution systemHELLMAN MARTIN E·Filed 1983·Granted Apr 14, 1987·1.5k cites·10 claims
- 0495US7840178B2FM broadcast system competitive with satellite radioHELLMAN MARTIN EDWARD·Filed 2006·Granted Nov 23, 2010·64 cites·47 claims
- 0594US4424414AExponentiation cryptographic apparatus and methodUNIV LELAND STANFORD JUNIOR·Filed 1978·Granted Jan 3, 1984·522 cites·2 claims
- 0692US7865917B2Security enhanced tiered subscription broadcast systemHELLMAN MARTIN E·Filed 2005·Granted Jan 4, 2011·25 cites·12 claims
- 0787US4633036AMethod and apparatus for use in public-key data encryption systemHELLMAN MARTIN E·Filed 1984·Granted Dec 30, 1986·101 cites·24 claims
- 0884US5872917AAuthentication using random challengesAMERICA ONLINE INC·Filed 1997·Granted Feb 16, 1999·129 cites·19 claims
- 0983US8627354B2Tiered subscription broadcast systemHELLMAN MARTIN E·Filed 2005·Granted Jan 7, 2014·8 cites·37 claims
- 1080US8401462B2FM broadcast system competitive with satellite radioHELLMAN MARTIN EDWARD·Filed 2010·Granted Mar 19, 2013·4 cites·43 claims
- 1178US8270901B2Dropout-resistant media broadcasting systemHELLMAN MARTIN E·Filed 2005·Granted Sep 18, 2012·6 cites·32 claims
- 1254US9124375B1Tiered subscription broadcast systemHELLMAN MARTIN E·Filed 2014·Granted Sep 1, 2015·0 cites·18 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →