Inventor · disambiguated record
Friedrich Hilliges
Also filed as: HILLIGES FRIEDRICH
2 granted patents·7 citations·filing 1976–1980
50Inventor score
Files withSIEMENS AG2
Top patents by PatentIndex Score
2 records- 0132US4356352ACircuit arrangement for telephone exchange systems having time staggered charge metering pulse frequenciesSIEMENS AG·Filed 1980·Granted Oct 26, 1982·6 cites·3 claims
- 0226US4049922ASwitching arrangement for telecommunication switching systemsSIEMENS AG·Filed 1976·Granted Sep 20, 1977·1 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →