Granted Patent
Utility
US 4,450,228 · App. 06/468,400
Light-sensitive silver halide color photographic material
Inventors:
Satoru Shimba, Kenji Ito, Yasuo Tsuda, Hiroshi Sugita
Patented Case
View Patent ↗
Granted: May 22, 1984
Filed: Feb 22, 1983
Inventors
Satoru Shimba
Kenji Ito
Yasuo Tsuda
Hiroshi Sugita
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.