Inventor · disambiguated record

John A. Haefner

Also filed as: HAEFNER JOHN A

4 granted patents·433 citations·filing 1982–1994

82Inventor score

Technology areasG03C

Files withEASTMAN KODAK CO4

Top patents by PatentIndex Score

4 records

0196US4933272APhotographic emulsions containing internally modified silver halide grainsEASTMAN KODAK CO·Filed 1988·Granted Jun 12, 1990·56 cites·25 claims
0295US4439520ASensitized high aspect ratio silver halide emulsions and photographic elementsEASTMAN KODAK CO·Filed 1982·Granted Mar 27, 1984·224 cites·64 claims
0395US4434226AHigh aspect ratio silver bromoiodide emulsions and processes for their preparationEASTMAN KODAK CO·Filed 1982·Granted Feb 28, 1984·148 cites·22 claims
0460US5391474AIridium and bromide in silver halide grain finishEASTMAN KODAK CO·Filed 1994·Granted Feb 21, 1995·5 cites·16 claims

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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →