Inventor
SUEMATSU KIYOSHI
JP6 patents
Patents
6 patentsUS5766833AJun 16, 1998
Process of forming super high-contrast negative images and silver halide photographic material and developer being used therefor
DAINIPPON INK & CHEMICALS17 citations80
US5372911ADec 13, 1994
Process of forming super high-contrast negative images and silver halide photographic material and developer being used therefor
DAINIPPON INK & CHEMICALS14 citations72
US5284733AFeb 8, 1994
High-contrast image forming process
DAINIPPON INK & CHEMICALS7 citations72
US5460919AOct 24, 1995
Process of forming super high-contrast negative images and silver halide photographic material and developer being used therefor
DAINIPPON INK & CHEMICALS3 citations61
US5362621ANov 8, 1994
Direct positive silver halide photographic material and method for forming high contrast positive image using the same
DAINIPPON INK & CHEMICALS4 citations61
US5683854ANov 4, 1997
Process of forming super high-contrast negative images and silver halide photographic material and developer being used therefor
DAINIPPON INK & CHEMICALS2 citations59