Individual holder
KARSTEN RALPH R
US·3 granted patents·21 citations·filing 1986–2019
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
3 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
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