Granted Patent
Utility
US 4,725,529 · App. 06/854,141
Developing inhibitor arrangment in light-sensitive silver halide color photographic materials
Inventors:
Hiroshi Shimazaki, Eiichi Sakamoto, Satoshi Nakagawa, Hiroshi Inoie, Minoru Ishikawa
Patented Case
View Patent ↗
Granted: Feb 16, 1988
Filed: Apr 21, 1986
Inventors
Hiroshi Shimazaki
Eiichi Sakamoto
Satoshi Nakagawa
Hiroshi Inoie
Minoru Ishikawa
Assignee (at issue)
Konishiroku Photo Industry Co., Ltd.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.