Inventor · disambiguated record
Ralf Bertram
Also filed as: BERTRAM RALF
3 granted patents·56 citations·filing 1989–2013
69Inventor score
Top patents by PatentIndex Score
3 records- 0181US8700448B2System and method for item recommendationsBERTRAM RALF·Filed 2001·Granted Apr 15, 2014·43 cites·31 claims
- 0261US11157984B2System and method for item recommendationsIBM·Filed 2013·Granted Oct 26, 2021·0 cites·15 claims
- 0341US4935836AGuard circuit for the protection of capacitive loadsVERO ELECTRONICS GMBH·Filed 1989·Granted Jun 19, 1990·13 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →