Granted Patent
Utility
US 4,769,315 · App. 07/007,367
Silver halide grain and light-sensitive photographic material containing said silver halide grain
Inventors:
Yoshihiko Suda, Syoji Matsuzaka, Yasuo Tosaka, Yukio Ohya
Patented Case
View Patent ↗
Granted: Sep 6, 1988
Filed: Jan 27, 1987
Inventors
Yoshihiko Suda
Syoji Matsuzaka
Yasuo Tosaka
Yukio Ohya
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.