Inventor · disambiguated record
Keith H. Stephen
Also filed as: STEPHEN KEITH H · STEPHEN KEITH HENRY
8 granted patents·134 citations·filing 1978–1996
88Inventor score
Files withEASTMAN KODAK CO8
Top patents by PatentIndex Score
8 records- 0196US5460924APhotographic peracid bleaches with ferric 2-pyridinecarboxylate and 2,6-pyridinecarboxylate catalystsEASTMAN KODAK CO·Filed 1994·Granted Oct 24, 1995·42 cites·27 claims
- 0284US5061608APhotographic bleaching solution and use thereof in photographic color processingEASTMAN KODAK CO·Filed 1991·Granted Oct 29, 1991·14 cites·8 claims
- 0382US4933266APhotographic bleaching and bleach-fixing solutionsEASTMAN KODAK CO·Filed 1988·Granted Jun 12, 1990·22 cites·6 claims
- 0471US5536625APhotographic peracid bleaches with ferric 2-pyridinecarboxylate and 2,6-pyridinecarboxylate catalystsEASTMAN KODAK CO·Filed 1995·Granted Jul 16, 1996·35 cites·17 claims
- 0565US5670305APhotographic processing solution containing ternary ferric-complex saltsEASTMAN KODAK CO·Filed 1996·Granted Sep 23, 1997·6 cites·21 claims
- 0656US5434035AFixer additives used in combination with iron complex based bleaches to improve desilveringEASTMAN KODAK CO·Filed 1993·Granted Jul 18, 1995·5 cites·22 claims
- 0753US4256826ABleach-fix sheetsEASTMAN KODAK CO·Filed 1978·Granted Mar 17, 1981·5 cites·33 claims
- 0836US5334491APhotographic bleach compositions and methods of photographic processingEASTMAN KODAK CO·Filed 1993·Granted Aug 2, 1994·5 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →