Granted Patent
Utility
US 4,403,030 · App. 06/326,759
Photosensitive lithographic printing plate material
Inventors:
Konoe Miura, Shin-ichi Tanaka, Hiroshi Kojima, Takeshi Tanaka, Osamu Matsushita
Patented Case
View Patent ↗
Granted: Sep 6, 1983
Filed: Dec 2, 1981
Inventors
Konoe Miura
Shin-ichi Tanaka
Hiroshi Kojima
Takeshi Tanaka
Osamu Matsushita
Assignees (at issue)
Mitsubishi Chemical Industries, Ltd.
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.