Inventor · disambiguated record
Willem T. Draai
Also filed as: DRAAI WILLEM T · VOLA MATHIAS J J M
4 granted patents·36 citations·filing 1978–1986
75Inventor score
Technology areasG03G
Top patents by PatentIndex Score
4 records- 0167US4435067AMethod and apparatus for transferring and fixing powder imagesOCE NEDERLAND BV·Filed 1982·Granted Mar 6, 1984·16 cites·8 claims
- 0258US4207101AProcess for magnetically transferring a powder imageOCE VAN DER GRINTEN NV·Filed 1978·Granted Jun 10, 1980·9 cites·11 claims
- 0347US4704621APrinting deviceOCE NEDERLAND BV·Filed 1986·Granted Nov 3, 1987·9 cites·19 claims
- 0431US4254206AProcess for magnetically transferring a powder imageOCE VAN DER GRINTEN NV·Filed 1979·Granted Mar 3, 1981·2 cites·15 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →