Inventor · disambiguated record
Leonard Kaplan
Also filed as: COTTON FRANK A · KAPLAN LEONARD · KAPLAN LEONARD A · KAPLAN LEONARD ABRAHAM
29 granted patents·2 pending applications·217 citations·filing 1975–2003
96Inventor score
Top patents by PatentIndex Score
31 records- 0189US4355341APower protection circuit for transistorsRCA CORP·Filed 1980·Granted Oct 19, 1982·55 cites·9 claims
- 0274US4321648AOver-current protection circuits for power transistorsRCA CORP·Filed 1981·Granted Mar 23, 1982·17 cites·20 claims
- 0373US4362820AProcess for producing ethylene glycol and methanolUNION CARBIDE CORP·Filed 1981·Granted Dec 7, 1982·11 cites·15 claims
- 0472US4225897AOvercurrent protection circuit for power transistorRCA CORP·Filed 1979·Granted Sep 30, 1980·13 cites·5 claims
- 0571US4162261ANovel solvents for the catalytic process for making polyhydric alcoholsUNION CARBIDE CORP·Filed 1977·Granted Jul 24, 1979·8 cites·9 claims
- 0664US4380740ACurrent amplifierRCA CORP·Filed 1980·Granted Apr 19, 1983·12 cites·10 claims
- 0764US3995235APhase control circuit including an operational transconductance amplifier suitable for use in audio frequency signal processing apparatusRCA CORP·Filed 1975·Granted Nov 30, 1976·11 cites·13 claims
- 0861US4471237AOutput protection circuit for preventing a reverse currentRCA CORP·Filed 1982·Granted Sep 11, 1984·16 cites·6 claims
- 0961US4199521AProcess for producing polyhydric alcohols and derivativesUNION CARBIDE CORP·Filed 1978·Granted Apr 22, 1980·5 cites·4 claims
- 1060US4463318APower amplifier circuit employing field-effect power transistorsRCA CORP·Filed 1982·Granted Jul 31, 1984·10 cites·8 claims
- 1158US3944588ACatalytic process for polyhydric alcohols and derivativesUNION CARBIDE CORP·Filed 1975·Granted Mar 16, 1976·12 cites·14 claims
- 1257US4224237ACatalytic process for polyhydric alcohols and derivativesUNION CARBIDE CORP·Filed 1979·Granted Sep 23, 1980·4 cites·54 claims
- 1355US4180781ABiasing and drive circuitry for quasi-linear transistor amplifiersRCA CORP·Filed 1978·Granted Dec 25, 1979·8 cites·7 claims
- 1451US4278946ACurrent scaling circuitryRCA CORP·Filed 1979·Granted Jul 14, 1981·8 cites·5 claims
- 1550US2004191176A1Formulations for treatment of pulmonary disordersKAPLAN LEONARD W·Filed 2003·Application pending·0 cites
- 1649US4415747AProcess for making ethylene glycol derivativesUNION CARBIDE CORP·Filed 1981·Granted Nov 15, 1983·3 cites·18 claims
- 1748US2004092592A1Stabilized L-Arginine platelet aggregation inhibitory compositions and processes for making sameFiled 2002·Application pending·0 cites
- 1847US4562272AProcess for preparing cyclic polyethersUNION CARBIDE CORP·Filed 1981·Granted Dec 31, 1985·2 cites·16 claims
- 1945US4188593ARC OscillatorRCA CORP·Filed 1978·Granted Feb 12, 1980·6 cites·9 claims
- 2045US4151192APromoting n-propyl alcohol formation with vanadium compoundsUNION CARBIDE CORP·Filed 1978·Granted Apr 24, 1979·2 cites·13 claims
- 2141US4320063AAmmonium carboxylatesUNION CARBIDE CORP·Filed 1979·Granted Mar 16, 1982·1 cites·4 claims
- 2240US4180782APhantom full-bridge amplifierRCA CORP·Filed 1978·Granted Dec 25, 1979·4 cites·4 claims
- 2339US4190598ACatalytic process for production of polyhydric alcohols in presence of ammonium carboxylatesUNION CARBIDE CORP·Filed 1978·Granted Feb 26, 1980·1 cites·7 claims
- 2439US4153623APromoting propylene glycol formation with compounds of aluminumUNION CARBIDE CORP·Filed 1977·Granted May 8, 1979·1 cites·5 claims
- 2537US4283578AProcess for making glycolUNION CARBIDE CORP·Filed 1980·Granted Aug 11, 1981·1 cites·6 claims
- 2635US4197253ACatalytic process for producing polyhydric alcoholsUNION CARBIDE CORP·Filed 1978·Granted Apr 8, 1980·3 cites·37 claims
- 2733US4092609ACircuit for reducing ripple voltageRCA CORP·Filed 1976·Granted May 30, 1978·2 cites·9 claims
- 2832US4188335ANovel solvents for the catalytic process for producing polyhydric alcoholsUNION CARBIDE CORP·Filed 1978·Granted Feb 12, 1980·0 cites·13 claims
- 2931US4345103AHydroxymethylation of the carbon residue of organosilicon compoundsUNION CARBIDE CORP·Filed 1981·Granted Aug 17, 1982·0 cites·7 claims
- 3029US4626551AHomogeneous liquid phase process for making alkane polyolsUNION CARBIDE CORP·Filed 1982·Granted Dec 2, 1986·0 cites·1 claims
- 3129US4360600AProcess for producing ethylene glycol and methanolUNION CARBIDE CORP·Filed 1981·Granted Nov 23, 1982·1 cites·10 claims
Join the waitlist — get patent alerts
Get an alert when Leonard Kaplan files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →