Inventor · disambiguated record
Helge O. Granberg
Also filed as: GRANBERG HELGE O
4 granted patents·211 citations·filing 1986–1989
81Inventor score
Top patents by PatentIndex Score
4 records- 0196US5015972ABroadband RF transformerMOTOROLA INC·Filed 1989·Granted May 14, 1991·112 cites·4 claims
- 0282US4639760AHigh power RF transistor assemblyMOTOROLA INC·Filed 1986·Granted Jan 27, 1987·71 cites·4 claims
- 0367US4733194AApparatus and method for paralleling power field effect transistors in high frequency amplifiersSIGNAL ONE CORP·Filed 1987·Granted Mar 22, 1988·19 cites·9 claims
- 0446US4899116AApparatus and method for paralleling power field effect transistors in high frequency amplifiersSIGNAL ONE CORP·Filed 1988·Granted Feb 6, 1990·9 cites·19 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →