Inventor · disambiguated record
James N. Constant
Also filed as: CONSTANT JAMES · CONSTANT JAMES N · CONSTANT JAMES NICKOLAS
26 granted patents·2 pending applications·753 citations·filing 1972–2023
97Inventor score
Files withCONSTANT JAMES N13CONSTANT JAMES NICKOLAS10CONSTANT JAMES2WEST VIRGINIA UNIV BOARD OF GOVERNORS ON BEHALF OF WEST VIRGINIA UNIV2UNIV WEST VIRGINIA1
Top patents by PatentIndex Score
28 records- 0196US4707698ACoordinate measurement and radar device using image scannerCONSTANT JAMES N·Filed 1980·Granted Nov 17, 1987·104 cites·13 claims
- 0294US4292579AThermoelectric generatorCONSTANT JAMES N·Filed 1978·Granted Sep 29, 1981·68 cites·36 claims
- 0392US4025772ADigital convolver matched filter and correlatorCONSTANT JAMES NICKOLAS·Filed 1975·Granted May 24, 1977·84 cites·22 claims
- 0488US4438491AComputer having plural IC chips with each chip including a transceiverCONSTANT JAMES N·Filed 1980·Granted Mar 20, 1984·88 cites·30 claims
- 0588US4228517ARecursive filterCONSTANT JAMES N·Filed 1978·Granted Oct 14, 1980·27 cites·25 claims
- 0686US11827954B2Rare earth enrichment process by contacting raw material with a base at specific pH valuesWEST VIRGINIA UNIV BOARD OF GOVERNORS ON BEHALF OF WEST VIRGINIA UNIV·Filed 2022·Granted Nov 28, 2023·1 cites·26 claims
- 0786US4187000AAddressable optical computer and filterCONSTANT JAMES N·Filed 1977·Granted Feb 5, 1980·34 cites·54 claims
- 0885US4006351ARecursive filter implemented as a matched clutter filterCONSTANT JAMES NICKOLAS·Filed 1974·Granted Feb 1, 1977·29 cites·21 claims
- 0984US4820006AHolographic identification system using incoherent lightCONSTANT JAMES N·Filed 1983·Granted Apr 11, 1989·50 cites·20 claims
- 1084US4107458ACipher computer and cryptographic systemCONSTANT JAMES N·Filed 1976·Granted Aug 15, 1978·44 cites·32 claims
- 1181US4164740ASynthetic aperture using image scannerCONSTANT JAMES N·Filed 1978·Granted Aug 14, 1979·32 cites·52 claims
- 1275US4067009ABeam focused synthetic apertureCONSTANT JAMES NICKOLAS·Filed 1975·Granted Jan 3, 1978·24 cites·30 claims
- 1373US4082991ASuperconducting energy systemCONSTANT JAMES NICKOLAS·Filed 1975·Granted Apr 4, 1978·25 cites·13 claims
- 1471US4117481ASidelooking radar and system for identifying objectsCONSTANT JAMES NICKOLAS·Filed 1977·Granted Sep 26, 1978·22 cites·30 claims
- 1569US2022340997A1Systems and processes for recovery of high-grade rare earth concentrate from acid mine drainageUNIV WEST VIRGINIA·Filed 2022·Application pending·0 cites
- 1663US5007083ASecure computerCONSTANT JAMES N·Filed 1985·Granted Apr 9, 1991·25 cites·61 claims
- 1763US4080660ADigital signal time scale inversionCONSTANT JAMES NICKOLAS·Filed 1977·Granted Mar 21, 1978·22 cites·5 claims
- 1863US2025369073A1Methods and compositions to recover rare earth elements from organic solutionsWEST VIRGINIA UNIV BOARD OF GOVERNORS ON BEHALF OF WEST VIRGINIA UNIV·Filed 2023·Application pending·0 cites
- 1957US3965342ADigital FFT processor using random access memoryCONSTANT JAMES NICKOLAS·Filed 1974·Granted Jun 22, 1976·17 cites·22 claims
- 2056US3950635ADigital matched filter and correlator using random access memoryCONSTANT JAMES NICKOLAS·Filed 1974·Granted Apr 13, 1976·16 cites·14 claims
- 2151US4920313AGravitational mass detectorCONSTANT JAMES N·Filed 1985·Granted Apr 24, 1990·16 cites·65 claims
- 2247US4053750AFeedforward filterCONSTANT JAMES N·Filed 1976·Granted Oct 11, 1977·6 cites·15 claims
- 2343US3971993AHigh capacity recirculating delay loop integratorCONSTANT JAMES N·Filed 1972·Granted Jul 27, 1976·5 cites·6 claims
- 2440US4156919AFeedforward filterCONSTANT JAMES N·Filed 1977·Granted May 29, 1979·4 cites·23 claims
- 2537US3988572ASynthetic aperture system for information transfer and object identificationCONSTANT JAMES NICKOLAS·Filed 1975·Granted Oct 26, 1976·3 cites·4 claims
- 2633US4737930ATransmission line dividers and multipliersCONSTANT JAMES·Filed 1986·Granted Apr 12, 1988·4 cites·13 claims
- 2732US3965472AOff-resonant chaff system for a large target viewed by low frequency radarCONSTANT JAMES NICKOLAS·Filed 1974·Granted Jun 22, 1976·1 cites·4 claims
- 2831US4620290ATransmission line dividers multipliers Fourier transformers and convolversCONSTANT JAMES·Filed 1983·Granted Oct 28, 1986·2 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →