Inventor · disambiguated record
Teh-Hsuan Chen
Also filed as: CHEN TEH H · CHEN TEH-HSUAN
23 granted patents·114 citations·filing 1990–1998
94Inventor score
Files withEASTMAN KODAK CO23
Top patents by PatentIndex Score
23 records- 0193US5026628APhotographic material and process comprising a compound capable of forming a wash-out dyeEASTMAN KODAK CO·Filed 1990·Granted Jun 25, 1991·30 cites·12 claims
- 0292US5151343APhotographic material and process comprising wash-out naphtholic couplerEASTMAN KODAK CO·Filed 1991·Granted Sep 29, 1992·23 cites·8 claims
- 0380US5183728APhotographic silver halide materials and process comprising new pyrazoloazole couplersEASTMAN KODAK CO·Filed 1990·Granted Feb 2, 1993·10 cites·17 claims
- 0477US5234800APhotographic material and process comprising wash-out naphtholic couplerEASTMAN KODAK CO·Filed 1991·Granted Aug 10, 1993·8 cites·6 claims
- 0573US5302496APhotographic silver halide materials and process comprising new pyrazoloazole couplerEASTMAN KODAK CO·Filed 1992·Granted Apr 12, 1994·7 cites·39 claims
- 0669US5283340APhotographic material and process comprising wash-out naphtholic couplerEASTMAN KODAK CO·Filed 1992·Granted Feb 1, 1994·6 cites·4 claims
- 0766US5283163APhotographic material and process employing a development inhibitor releasing compound containing a fluorinated carbon alpha to an amide groupEASTMAN KODAK CO·Filed 1992·Granted Feb 1, 1994·6 cites·12 claims
- 0859US5021322APhotographic element comprising a development inhibitor releasing compound having a linking group between the carrier and the inhibitorEASTMAN KODAK CO·Filed 1990·Granted Jun 4, 1991·6 cites·6 claims
- 0950US5250399APhotographic material and process comprising a universal couplerEASTMAN KODAK CO·Filed 1991·Granted Oct 5, 1993·3 cites·7 claims
- 1048US5306607APhotographic material and process comprising a pyrazolotriazole moietyEASTMAN KODAK CO·Filed 1992·Granted Apr 26, 1994·3 cites·16 claims
- 1138US5670301APhotographic element containing a coupler capable of releasing a photographically useful groupEASTMAN KODAK CO·Filed 1996·Granted Sep 23, 1997·1 cites·19 claims
- 1237US5250398APhotographic silver halide material and process comprising water-solubilized naphtholic couplerEASTMAN KODAK CO·Filed 1991·Granted Oct 5, 1993·1 cites·7 claims
- 1333US5834604APhotographic element containing a coupler capable of releasing a photograpically useful group through a pyrazole groupEASTMAN KODAK CO·Filed 1997·Granted Nov 10, 1998·0 cites·2 claims
- 1433US5288593APhotographic material and process comprising a coupler capable of forming a wash-out dye (Q/Q)EASTMAN KODAK CO·Filed 1992·Granted Feb 22, 1994·3 cites·9 claims
- 1532US6007974ASilver halide element containing triazole inhibitorsEASTMAN KODAK CO·Filed 1998·Granted Dec 28, 1999·0 cites·30 claims
- 1632US5719017APhotographic element containing a coupler capable of releasing a photographically useful group through a pyrazole groupEASTMAN KODAK CO·Filed 1996·Granted Feb 17, 1998·0 cites·28 claims
- 1732US5709987APhotographic element containing a coupler capable of releasing a photographically useful group through a triazole groupEASTMAN KODAK CO·Filed 1996·Granted Jan 20, 1998·2 cites·29 claims
- 1831US5817809APhotographic element containing a coupler capable of releasing a photographically useful group through a triazole groupEASTMAN KODAK CO·Filed 1997·Granted Oct 6, 1998·1 cites·2 claims
- 1931US5279929APhotographic material and process comprising a coupler capable of forming a wash-out dye (C/C)EASTMAN KODAK CO·Filed 1992·Granted Jan 18, 1994·2 cites·8 claims
- 2030US5334490AMagenta development inhibitor releasing couplerEASTMAN KODAK CO·Filed 1992·Granted Aug 2, 1994·1 cites·9 claims
- 2129US5962656AIndazole containing couplerEASTMAN KODAK CO·Filed 1997·Granted Oct 5, 1999·0 cites·2 claims
- 2229US5912110APhotographic coupler capable of releasing a photographically useful groupEASTMAN KODAK CO·Filed 1997·Granted Jun 15, 1999·0 cites·2 claims
- 2329US5686234APhotographic element containing a coupler capable of releasing a photographically useful groupEASTMAN KODAK CO·Filed 1996·Granted Nov 11, 1997·1 cites·21 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →