Inventor · disambiguated record
Hugh M. Williamson
Also filed as: WILLIAMSON HUGH · WILLIAMSON HUGH M · WILLIAMSON HUGH MARTIN
14 granted patents·57 citations·filing 1991–1997
89Inventor score
Files withEASTMAN KODAK CO14
Top patents by PatentIndex Score
14 records- 0188US5437962APhotographic elements containing particular color couplers in combination with particular stabilizersEASTMAN KODAK CO·Filed 1993·Granted Aug 1, 1995·18 cites·13 claims
- 0285US5876912APyrazolo 1,5 a benzimidazole photographic color couplersEASTMAN KODAK CO·Filed 1995·Granted Mar 2, 1999·13 cites·9 claims
- 0381US5260179APhotographic elements containing imine dyesEASTMAN KODAK CO·Filed 1992·Granted Nov 9, 1993·11 cites·17 claims
- 0476US5776669APhenol substituted pyrazolo 1, 5-a benzimidazole couplersEASTMAN KODAK CO·Filed 1997·Granted Jul 7, 1998·8 cites·10 claims
- 0540US5443945AActivated propenes as colour couplersEASTMAN KODAK CO·Filed 1991·Granted Aug 22, 1995·2 cites·7 claims
- 0637US5470696APhotographic color couplers and photographic materials containing themEASTMAN KODAK CO·Filed 1992·Granted Nov 28, 1995·1 cites·17 claims
- 0736US5466813AImine dye and photographic elements containing sameEASTMAN KODAK CO·Filed 1993·Granted Nov 14, 1995·1 cites·12 claims
- 0836US5460927AActivated propenes as color couplers and a method for production of photographic elements therewithEASTMAN KODAK CO·Filed 1992·Granted Oct 24, 1995·1 cites·10 claims
- 0935US5498515APhotographic element containing a certain sulfonated acylacetanilide coupler in combination with low- or non-chloride emulsionsEASTMAN KODAK CO·Filed 1994·Granted Mar 12, 1996·1 cites·24 claims
- 1035US5451493APhotographic element containing a certain sulfonated acylacetanilide coupler in combination with a development inhibitor releasing couplerEASTMAN KODAK CO·Filed 1994·Granted Sep 19, 1995·1 cites·26 claims
- 1130US5436124APhotographic elements containing particular color couplers in combination with polymeric stabilizersEASTMAN KODAK CO·Filed 1993·Granted Jul 25, 1995·0 cites·14 claims
- 1230US5434040APhotographic elements containing particular color couplers in combination with metal complex stabilizersEASTMAN KODAK CO·Filed 1993·Granted Jul 18, 1995·0 cites·15 claims
- 1330US5434041APhotographic elements containing particular color couplers in combination with hydroquinone type stabilizersEASTMAN KODAK CO·Filed 1993·Granted Jul 18, 1995·0 cites·14 claims
- 1429US6265600B1Activated propenes as color couplers method for the production thereofEASTMAN KODAK CO·Filed 1992·Granted Jul 24, 2001·0 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →