Granted Patent
Utility
US 4,481,288 · App. 06/542,372
Light-sensitive silver halide photographic material
Inventors:
Yoshitaka Yamada, Toshifumi Iijima, Toshihiko Yagi, Yoshihiro Haga, Kenji Kumashiro, Hiroshi Menjo
Patented Case
View Patent ↗
Granted: Nov 6, 1984
Filed: Oct 14, 1983
Inventors
Yoshitaka Yamada
Toshifumi Iijima
Toshihiko Yagi
Yoshihiro Haga
Kenji Kumashiro
Hiroshi Menjo
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.