Granted Patent
Utility
US 4,720,452 · App. 06/894,702
Light-sensitive silver halide photographic material
Inventors:
Hideki Takiguchi, Toshifumi Iijima, Toshihiko Yagi, Yoshihiro Haga
Patented Case
View Patent ↗
Granted: Jan 19, 1988
Filed: Aug 7, 1986
Inventors
Hideki Takiguchi
Toshifumi Iijima
Toshihiko Yagi
Yoshihiro Haga
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.