Granted Patent
Utility
US 4,775,615 · App. 07/070,169
Silver halide grains for light-sensitive photographic material having (110) crystal faces with semi-faces having ridge lines
Inventors:
Syoji Matsuzaka, Hideo Akamatsu, Shu Nishiwaki, Yoshihiko Suda
Patented Case
View Patent ↗
Granted: Oct 4, 1988
Filed: Jul 2, 1987
Inventors
Syoji Matsuzaka
Hideo Akamatsu
Shu Nishiwaki
Yoshihiko Suda
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.