Inventor · disambiguated record

Friedrich Dannhaeuser

Also filed as: DANNHAEUSER FRIEDRICH

2 granted patents·151 citations·filing 1988–1988

68Inventor score

Technology areasG07C

Files withSIEMENS AG2

Top patents by PatentIndex Score

2 records

0174US4928098AMethod for code protection using an electronic keySIEMENS AG·Filed 1988·Granted May 22, 1990·135 cites·1 claims
0233US4887312AMethod and apparatus for transmission of optical data between two electrically separated transmitting receiving unitsSIEMENS AG·Filed 1988·Granted Dec 12, 1989·16 cites·5 claims

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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →