Granted Patent
Utility
US 4,871,658 · App. 07/279,081
Silver halide photographic material that is resistant to fogging during storage
Inventors:
Eiichi Sakamoto, Yutaka Kaneko, Hidetaka Ninomiya, Takashi Kamio, Atsuo Ezaki, Hideo Akamatsu, Hideaki Haraga
Patented Case
View Patent ↗
Granted: Oct 3, 1989
Filed: Dec 2, 1988
Inventors
Eiichi Sakamoto
Yutaka Kaneko
Hidetaka Ninomiya
Takashi Kamio
Atsuo Ezaki
Hideo Akamatsu
Hideaki Haraga
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.