Inventor · disambiguated record
Robert F. Pfeifer
Also filed as: PFEIFER ROBERT F
10 granted patents·402 citations·filing 1978–1988
92Inventor score
Top patents by PatentIndex Score
10 records- 0188US4888801AHierarchical key management systemMOTOROLA INC·Filed 1988·Granted Dec 19, 1989·108 cites·24 claims
- 0288USD263395SMultiple module serial link encryption unit or similar articleMOTOROLA INC·Filed 1979·Granted Mar 16, 1982·24 cites·1 claims
- 0387US4281216AKey management for encryption/decryption systemsMOTOROLA INC·Filed 1979·Granted Jul 28, 1981·54 cites·12 claims
- 0482US4391650AMethod for fabricating improved complementary metal oxide semiconductor devicesNCR CO·Filed 1980·Granted Jul 5, 1983·36 cites·8 claims
- 0582US4352952AData security moduleMOTOROLA INC·Filed 1980·Granted Oct 5, 1982·70 cites·1 claims
- 0680US4516313AUnified CMOS/SNOS semiconductor fabrication processNCR CO·Filed 1983·Granted May 14, 1985·33 cites·14 claims
- 0778US4422885APolysilicon-doped-first CMOS processNCR CO·Filed 1981·Granted Dec 27, 1983·50 cites·1 claims
- 0878USD255899SCode entry terminal for security access systemMOTOROLA INC·Filed 1978·Granted Jul 15, 1980·14 cites·1 claims
- 0970USD264843SMultiple module serial link encryption unit or similar articleMOTOROLA INC·Filed 1979·Granted Jun 8, 1982·10 cites·1 claims
- 1032US4534104AMixed dielectric process and nonvolatile memory device fabricated therebyNCR CO·Filed 1982·Granted Aug 13, 1985·3 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →