Granted Patent
Utility
US 5,639,590 · App. 08/059,586
Silver halide color photographic light-sensitive material
Inventor:
Yasuhiro Yoshioka
Patented Case
View Patent ↗
Granted: Jun 17, 1997
Filed: May 12, 1993
Inventor
Yasuhiro Yoshioka
Assignee (at issue)
Fujitsu Limited
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.