Inventor · disambiguated record
Ralph R. Karsten
Also filed as: KARSTEN RALPH · KARSTEN RALPH R
4 granted patents·1 pending application·31 citations·filing 1986–2019
74Inventor score
Top patents by PatentIndex Score
5 records- 0188US10886857B1Inhibiting noise coupling across isolated power suppliesKARSTEN RALPH R·Filed 2019·Granted Jan 5, 2021·5 cites·19 claims
- 0272US10469042B1Audio amplifier circuitKARSTEN RALPH R·Filed 2018·Granted Nov 5, 2019·3 cites·20 claims
- 0354US4719431AAudio power amplifierKARSTEN RALPH R·Filed 1986·Granted Jan 12, 1988·13 cites·23 claims
- 0438US2002154754A1Call screenerFiled 2001·Application pending·0 cites
- 0536US6242977B1Amplifier and preamplifier circuitATMA SPHERE MUSIC SYSTEMS INC·Filed 1999·Granted Jun 5, 2001·10 cites·21 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →