Inventor · disambiguated record
Ronald J. Johnsen
Also filed as: JOHNSEN RONALD J
5 granted patents·129 citations·filing 1990–1999
83Inventor score
Top patents by PatentIndex Score
5 records- 0174US5600718AApparatus and method for adaptively precompensating for loudspeaker distortionsERICSSON GE MOBILE INC·Filed 1995·Granted Feb 4, 1997·56 cites·23 claims
- 0269US5825375AInk jet system with serial data printheadsDIAGRAPH CORP·Filed 1996·Granted Oct 20, 1998·26 cites·13 claims
- 0353US5606349AInk jet system with serial data printheadsDIAGRAPH CORP·Filed 1994·Granted Feb 25, 1997·18 cites·23 claims
- 0449US5115493AContinuous laser printer for printing over page boundariesJEANBLANC IVAN M·Filed 1990·Granted May 19, 1992·23 cites·31 claims
- 0533US6215391B1Variable frequency buzzer assemblyERICSSON INC·Filed 1999·Granted Apr 10, 2001·6 cites·24 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →