Granted Patent
Utility
US 4,784,938 · App. 06/920,243
Silver halide photographic light-sensitive material
Inventors:
Keiji Obhayashi, Shinichi Nakamura, Shigeo Tanaka, Mitsuhiro Okumura, Masanobu Miyoshi, Makoto Kajiwara, Kaoru Onodera, Eiichi Sakamoto
Patented Case
View Patent ↗
Granted: Nov 15, 1988
Filed: Oct 17, 1986
Inventors
Keiji Obhayashi
Shinichi Nakamura
Shigeo Tanaka
Mitsuhiro Okumura
Masanobu Miyoshi
Makoto Kajiwara
Kaoru Onodera
Eiichi Sakamoto
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.