Inventor · disambiguated record
Siu C. Tsoi
Also filed as: TSOI SIU C · TSOI SIU CHUNG
16 granted patents·51 citations·filing 1987–2003
91Inventor score
Files withEASTMAN KODAK CO16
Top patents by PatentIndex Score
16 records- 0173US5411842AMethod of making a photographic developer solutionEASTMAN KODAK CO·Filed 1994·Granted May 2, 1995·9 cites·9 claims
- 0269US5942379A3-pyrazolidone compounds and photographic developer solutions containing sameEASTMAN KODAK CO·Filed 1998·Granted Aug 24, 1999·6 cites·8 claims
- 0365US5837434APhotographic developers containing a developing agent of the ascorbic acid type and an acceleratorEASTMAN KODAK CO·Filed 1997·Granted Nov 17, 1998·5 cites·9 claims
- 0464US5780212APhotographic developing compositionEASTMAN KODAK CO·Filed 1997·Granted Jul 14, 1998·5 cites·8 claims
- 0564US5385816APhotographic silver halide color materials with sulfonylhydrazine color developerEASTMAN KODAK CO·Filed 1993·Granted Jan 31, 1995·6 cites·15 claims
- 0662US4758501APhotographic acetanilide couplers and photographic elements containing themEASTMAN KODAK CO·Filed 1987·Granted Jul 19, 1988·8 cites·11 claims
- 0754US6083673AOrganic/inorganic developer compositionEASTMAN KODAK CO·Filed 1998·Granted Jul 4, 2000·3 cites·12 claims
- 0853US5554492APhotographic silver halide color materialEASTMAN KODAK CO·Filed 1995·Granted Sep 10, 1996·3 cites·8 claims
- 0945US6033833AFogging solution for a reversal processEASTMAN KODAK CO·Filed 1999·Granted Mar 7, 2000·1 cites·9 claims
- 1039US5972584AAuxiliary development agents photographic materials incorporating them and the use thereofEASTMAN KODAK CO·Filed 1999·Granted Oct 26, 1999·1 cites·3 claims
- 1138US6790585B2Method for developing a high contrast photographic material containing a polyhydrazide nucleating agentEASTMAN KODAK CO·Filed 2003·Granted Sep 14, 2004·0 cites·19 claims
- 1238US5958664ACoupler capable of releasing a development acceleratorEASTMAN KODAK CO·Filed 1998·Granted Sep 28, 1999·1 cites·13 claims
- 1338US5932399AAuxiliary developing agents, photographic materials incorporating them and the use thereofEASTMAN KODAK CO·Filed 1997·Granted Aug 3, 1999·1 cites·13 claims
- 1436US5962203AFogging solution for a reversal processEASTMAN KODAK CO·Filed 1998·Granted Oct 5, 1999·0 cites·12 claims
- 1535US4978605ABenzoylacetanilide photographic yellow dye image-forming couplers and photographic elements containing themEASTMAN KODAK CO·Filed 1989·Granted Dec 18, 1990·2 cites·11 claims
- 1633US6087084AAuxiliary developing agents, photographic materials incorporating them and the use thereofEASTMAN KODAK CO·Filed 1999·Granted Jul 11, 2000·0 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →