Granted Patent
Utility
US 4,306,010 · App. 06/154,110
Photosensitive o-quinone diazide composition and photosensitive lithographic printing plate
Inventors:
Masafumi Uehara, Akio Iwaki, Yoko Ogawa, Fumio Shimada, Masatoshi Matsuzaki
Patented Case
View Patent ↗
Granted: Dec 15, 1981
Filed: May 28, 1980
Inventors
Masafumi Uehara
Akio Iwaki
Yoko Ogawa
Fumio Shimada
Masatoshi Matsuzaki
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.