Granted Patent
Utility
US 4,906,554 · App. 07/143,854
Color developing solution of light-sensitive silver halide color photographic material and processing method of light-sensitive silver halide color photographic material using the same
Inventors:
Masao Ishikawa, Shigeharu Koboshi, Kazuhiro Kobayashi, Keiji Ohbayashi, Mitsuhiro Okumura, Shigeo Chino, Kaoru Onodera
Patented Case
View Patent ↗
Granted: Mar 6, 1990
Filed: Dec 11, 1987
Inventors
Masao Ishikawa
Shigeharu Koboshi
Kazuhiro Kobayashi
Keiji Ohbayashi
Mitsuhiro Okumura
Shigeo Chino
Kaoru Onodera
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.