Inventor · disambiguated record
Sten Porrvik
Also filed as: PORRVIK STEN · PORRVIK STEN ERIK
4 granted patents·109 citations·filing 1974–1988
79Inventor score
Top patents by PatentIndex Score
4 records- 0191US3941634AMethod for the preparation of paper containing plastic particlesKEMA NORD AB·Filed 1974·Granted Mar 2, 1976·59 cites·8 claims
- 0272US4837107AToner for electrophotographic methods and process for preparing the sameCASCO NOBEL AB·Filed 1988·Granted Jun 6, 1989·21 cites·12 claims
- 0371US4794065AToner particles for electrophotographic copying and processes for their preparationCASCO NOBEL AB·Filed 1986·Granted Dec 27, 1988·20 cites·22 claims
- 0442US4923776AToner particles for electrophotographic copying and processes for their preparationCASCO NOBEL AB·Filed 1987·Granted May 8, 1990·9 cites·17 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →