JK

John Kenneth Charles Kempster

Eastman Kodak: 3 patents #2,892 of 8,114Top 40%
📍 Stanmore, GB: #10 of 43 inventorsTop 25%
Overall (All Time): #1,638,294 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5747230 Photographic silver halide colour material having improved granularity and dye hue John A. Bee, Gareth B. Evans 1998-05-05
5736306 Photographic silver halide material having improved spectral characteristics Gareth B. Evans, Danuta Gibson 1998-04-07
5380632 Photosensitive photographic silver halide color materials Peter D. Marsden, John A. Bee 1995-01-10