Granted Patent
Utility
US 4,724,198 · App. 06/942,025
Light-sensitive silver halide color photographic material having multi-layered red-sensitive, green-sensitive and blue-sensitive emulsion layers
Inventors:
Yoshitaka Yamada, Toshifumi Iijima, Kenji Kumashiro, Takashi Kamio, Shinya Shimura
Patented Case
View Patent ↗
Granted: Feb 9, 1988
Filed: Dec 15, 1986
Inventors
Yoshitaka Yamada
Toshifumi Iijima
Kenji Kumashiro
Takashi Kamio
Shinya Shimura
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.