Granted Patent
Utility
US 6,284,431 · App. 09/153,856
Photosensitive element for flexographic printing
Inventors:
Akio Tanizaki, Hiroko Nakano
Patented Case
View Patent ↗
Granted: Sep 4, 2001
Filed: Sep 16, 1998
Inventors
Akio Tanizaki
Hiroko Nakano
Assignee (at issue)
ASAHI KASEI KABUSHIKI KAISHA
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.