Inventor · disambiguated record

Helmut Hadwiger

Also filed as: HADWIGER HELMUT

3 granted patents·39 citations·filing 1988–1990

70Inventor score

Technology areasH05K

Files withSIEMENS AG3

Top patents by PatentIndex Score

3 records

0157US5134056AMethod for applying a solder resist layer to a printed circuit boardSIEMENS AG·Filed 1990·Granted Jul 28, 1992·23 cites·21 claims
0249US5044074AMethod for manufacturing metal core printed circuit boardsSIEMENS AG·Filed 1990·Granted Sep 3, 1991·14 cites·22 claims
0328US4924590AMethod for making metal core printed circuit boardSIEMENS AG·Filed 1988·Granted May 15, 1990·2 cites·22 claims

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