Inventor · disambiguated record
Ermi Roos
Also filed as: ROOS ERMI
5 granted patents·39 citations·filing 1979–2006
78Inventor score
Top patents by PatentIndex Score
5 records- 0172US7288219B1Method and apparatus for size measurement of particles of carbon blackROOS ERMI·Filed 2006·Granted Oct 30, 2007·5 cites·1 claims
- 0269US7420360B1Method and apparatus for particle counting and size measurementROOS ERMI·Filed 2006·Granted Sep 2, 2008·4 cites·4 claims
- 0353US4775833ALodged debris detector for a particle analyzerCOULTER ELECTRONICS·Filed 1986·Granted Oct 4, 1988·16 cites·21 claims
- 0446US4481466APulse amplifying systemCOULTER ELECTRONICS·Filed 1980·Granted Nov 6, 1984·13 cites·25 claims
- 0526US4350292ACentrifugal feederCOULTER ELECTRONICS·Filed 1979·Granted Sep 21, 1982·1 cites·19 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →