Inventor · disambiguated record
Ehrhard Hellmig
Also filed as: HELLMIG EHRHARD
3 granted patents·23 citations·filing 1975–1975
68Inventor score
Technology areasG03C
Files withAGFA GEVAERT AG3
Top patents by PatentIndex Score
3 records- 0169US3977872AProcess for the production of negative continuous-tone imagesAGFA GEVAERT AG·Filed 1975·Granted Aug 31, 1976·11 cites·7 claims
- 0264US4036646AColor correction of unwanted side densities in light-sensitive color photographic elementsAGFA GEVAERT AG·Filed 1975·Granted Jul 19, 1977·8 cites·5 claims
- 0346US4023970ALight-sensitive color photographic material with masking layer comprising spontaneously silver halideAGFA GEVAERT AG·Filed 1975·Granted May 17, 1977·4 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →