Inventor · disambiguated record
Joan F. Rachel
Also filed as: RACHEL JOAN F
4 granted patents·1 pending application·32 citations·filing 1995–2002
71Inventor score
Technology areasG03C
Files withEASTMAN KODAK CO5
Top patents by PatentIndex Score
5 records- 0190US5474879ARadiographic film developers containing ascorbic acid and thioether development acceleratorsEASTMAN KODAK CO·Filed 1995·Granted Dec 12, 1995·23 cites·12 claims
- 0271US5738979ABlack-and-white development processing method with replenishmentEASTMAN KODAK CO·Filed 1997·Granted Apr 14, 1998·7 cites·19 claims
- 0349US5994039ABlack-and-white photographic developing composition and a method for its useEASTMAN KODAK CO·Filed 1998·Granted Nov 30, 1999·2 cites·19 claims
- 0447US6602655B2Black-and-white developing compositions and methods of useEASTMAN KODAK CO·Filed 2002·Granted Aug 5, 2003·0 cites·17 claims
- 0542US2002146652A1Black-and-white developing compositions and methods of useEASTMAN KODAK CO·Filed 2001·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →