Granted Patent
Utility
US 4,565,778 · App. 06/593,635
Silver halide photographic materials
Inventors:
Akihiko Miyamoto, Hideki Takiguchi, Shoji Matsuzaka, Hiroshi Kashiwagi, Yoshiyuki Nonaka
Patented Case
View Patent ↗
Granted: Jan 21, 1986
Filed: Mar 26, 1984
Inventors
Akihiko Miyamoto
Hideki Takiguchi
Shoji Matsuzaka
Hiroshi Kashiwagi
Yoshiyuki Nonaka
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.