Inventor · disambiguated record
Philip J. Koopman, Jr.
Also filed as: KOOPMAN JR PHILIP · KOOPMAN JR PHILIP J · KOOPMAN PHILIP · KOOPMAN PHILIP J
30 granted patents·1 pending application·4,910 citations·filing 1987–2021
98Inventor score
Files withUNITED TECHNOLOGIES AUTOMOTIVE10OTIS ELEVATOR CO5TELCONTAR5UT AUTOMOTIVE DEARBORN INC3EDGE CASE RES INC2
Top patents by PatentIndex Score
31 records- 0199US5363448APseudorandom number generation and cryptographic authenticationUNITED TECHNOLOGIES AUTOMOTIVE·Filed 1993·Granted Nov 8, 1994·491 cites·46 claims
- 0298US6647269B2Method and system for analyzing advertisements delivered to a mobile unitTELCONTAR·Filed 2001·Granted Nov 11, 2003·927 cites·37 claims
- 0398US6542750B2Method and system for selectively connecting mobile users based on physical proximityTELCONTAR·Filed 2001·Granted Apr 1, 2003·637 cites·36 claims
- 0498US6542749B2Method and system for connecting proximately located mobile users based on compatible attributesTELCONTAR·Filed 2001·Granted Apr 1, 2003·619 cites·32 claims
- 0598US6542748B2Method and system for automatically initiating a telecommunications connection based on distanceTELCONTAR·Filed 2001·Granted Apr 1, 2003·237 cites·30 claims
- 0698US6539232B2Method and system for connecting mobile users based on degree of separationTELCONTAR·Filed 2001·Granted Mar 25, 2003·553 cites·33 claims
- 0796US5377270ACryptographic authentication of transmitted messages using pseudorandom numbersUNITED TECHNOLOGIES AUTOMOTIVE·Filed 1993·Granted Dec 27, 1994·315 cites·40 claims
- 0891US5757923AMethod of generating secret identification numbersUT AUTOMOTIVE DEARBORN INC·Filed 1996·Granted May 26, 1998·268 cites·30 claims
- 0991US5682024AElevator position determinationOTIS ELEVATOR CO·Filed 1995·Granted Oct 28, 1997·59 cites·26 claims
- 1089US7668765B2Method and apparatus for location-sensitive, subsidized cell phone billingDECARTA INC·Filed 2001·Granted Feb 23, 2010·57 cites·33 claims
- 1189US5696828ARandom number generating system and process based on chaosUNITED TECHNOLOGIES AUTOMOTIVE·Filed 1995·Granted Dec 9, 1997·167 cites·29 claims
- 1279US5783994AVehicle security system with combined key fob and keypad anti-driveaway protectionUNITED TECHNOLOGIES AUTOMOTIVE·Filed 1997·Granted Jul 21, 1998·53 cites·17 claims
- 1378US10962972B2Safety architecture for autonomous vehiclesUNIV CARNEGIE MELLON·Filed 2017·Granted Mar 30, 2021·5 cites·20 claims
- 1475US5991673AVehicle anti-theft system including vehicle identification numbers programmed into on-board computersLEAR AUTOMOTIVE DEARBORN INC·Filed 1996·Granted Nov 23, 1999·43 cites·21 claims
- 1574US5598476ARandom clock composition-based cryptographic authentication process and locking systemUNITED TECHNOLOGIES AUTOMOTIVE·Filed 1995·Granted Jan 28, 1997·97 cites·27 claims
- 1673US12037020B2Methods and systems for improving permissiveness while ensuring the safety of an autonomous vehicleEDGE CASE RES INC·Filed 2020·Granted Jul 16, 2024·1 cites·23 claims
- 1773US5952937ASystem and method of updating communications in a security systemUT AUTOMOTIVE DEARBORN INC·Filed 1997·Granted Sep 14, 1999·42 cites·20 claims
- 1870USRE36181EPseudorandom number generation and crytographic authenticationUNITED TECHNOLOGIES AUTOMOTIVE·Filed 1996·Granted Apr 6, 1999·49 cites·47 claims
- 1970US5053952AStack-memory-based writable instruction set computer having a single data busWISC TECHNOLOGIES INC·Filed 1987·Granted Oct 1, 1991·59 cites·9 claims
- 2067US5398284ACryptographic encoding processUNITED TECHNOLOGIES AUTOMOTIVE·Filed 1993·Granted Mar 14, 1995·52 cites·10 claims
- 2161US5535212AImplicit token media access protocol without collision detectionOTIS ELEVATOR CO·Filed 1994·Granted Jul 9, 1996·24 cites·7 claims
- 2253US5940002ASecurity system with random number remote communicationUT AUTOMOTIVE DEARBORN INC·Filed 1997·Granted Aug 17, 1999·48 cites·18 claims
- 2351US5659159AElevator level control system using elevator/landing gap as a reflection ductOTIS ELEVATOR CO·Filed 1994·Granted Aug 19, 1997·14 cites·19 claims
- 2448US5619575APseudorandom composition-based cryptographic authentication processUNITED TECHNOLOGIES AUTOMOTIVE·Filed 1994·Granted Apr 8, 1997·17 cites·19 claims
- 2546USRE36752ECryptographic authentication of transmitted messages using pseudorandom numbersUNITED TECHNOLOGIES AUTOMOTIVE·Filed 1996·Granted Jun 27, 2000·18 cites·41 claims
- 2646US5649014APseudorandom composition-based cryptographic authentication processUNITED TECHNOLOGIES AUTOMOTIVE·Filed 1995·Granted Jul 15, 1997·18 cites·26 claims
- 2743US5975622AWireless automotive doorLEAR AUTOMOTIVE DEARBORN INC·Filed 1997·Granted Nov 2, 1999·12 cites·20 claims
- 2840US2023084761A1Automated identification of training data candidates for perception systemsEDGE CASE RES INC·Filed 2021·Application pending·0 cites
- 2939US5450404AExplicit and implicit token media access protocol with multi-level bus arbitrationOTIS ELEVATOR CO·Filed 1992·Granted Sep 12, 1995·12 cites·5 claims
- 3037US5436901ASynchronous time division multiplexing using jam-based frame synchronizationOTIS ELEVATOR CO·Filed 1994·Granted Jul 25, 1995·6 cites·2 claims
- 3137US4980821AStock-memory-based writable instruction set computer having a single data busHARRIS CORP·Filed 1987·Granted Dec 25, 1990·10 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →