Inventor · disambiguated record
Rolf Crema
Also filed as: CREMA ROLF
5 granted patents·40 citations·filing 1986–2000
78Inventor score
Top patents by PatentIndex Score
5 records- 0170US4712897ADevice for adjustment of the viewfinder eyepiece of a cameraLEITZ ERNST GMBH·Filed 1986·Granted Dec 15, 1987·13 cites·11 claims
- 0250US5126881ALens hood for a photographic lensLEICA CAMERA GMBH·Filed 1991·Granted Jun 30, 1992·7 cites·12 claims
- 0347US6318204B1Helical gearLEICA CAMERA AG·Filed 2000·Granted Nov 20, 2001·4 cites·10 claims
- 0443US6346981B1Lens testing deviceLEICA CAMERA AG·Filed 1999·Granted Feb 12, 2002·13 cites·6 claims
- 0538US4711545AFilm advance mechanismLEITZ ERNST GMBH·Filed 1986·Granted Dec 8, 1987·3 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →