Granted Patent
Utility
US 4,670,375 · App. 06/775,641
Light-sensitive silver halide color photographic material having extended exposure range and improved graininess and stability to processing and time
Inventors:
Kenji Michiue, Toshihiko Yagi, Katsumasa Yamazaki, Sohei Goto, Yoshiharu Mochizuki
Patented Case
View Patent ↗
Granted: Jun 2, 1987
Filed: Sep 13, 1985
Inventors
Kenji Michiue
Toshihiko Yagi
Katsumasa Yamazaki
Sohei Goto
Yoshiharu Mochizuki
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.