Granted Patent
Utility
US 4,894,322 · App. 06/831,993
Light-sensitive silver halide color photographic material
Inventors:
Shigeto Hirabayashi, Syoji Matsuzaka, Yukio Ohya, Yoshiyuki Nonaka
Patented Case
View Patent ↗
Granted: Jan 16, 1990
Filed: Feb 20, 1986
Inventors
Shigeto Hirabayashi
Syoji Matsuzaka
Yukio Ohya
Yoshiyuki Nonaka
Assignee (at issue)
Konica Corporation
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.