Granted Patent
Utility
US 4,701,404 · App. 06/775,683
Silver halide color photographic material of high sensitivity and improved granularity
Inventors:
Toshifumi Iijima, Yoshitaka Yamada, Kenji Kumashiro, Takashi Kamio, Shinya Shimura
Patented Case
View Patent ↗
Granted: Oct 20, 1987
Filed: Sep 13, 1985
Inventors
Toshifumi Iijima
Yoshitaka Yamada
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.