Granted Patent
Utility
US 6,509,133 · App. 09/537,473
Lithographic printing plate and image forming method
Inventors:
Yasuyuki Watanabe, Naohito Saito, Nansei Tashiro, Katsuji Takahashi, Shinji Shimizu, Yasuhiko Kojima, Koji Oe
Patented Case
View Patent ↗
Granted: Jan 21, 2003
Filed: Mar 24, 2000
Inventors
Yasuyuki Watanabe
Naohito Saito
Nansei Tashiro
Katsuji Takahashi
Shinji Shimizu
Yasuhiko Kojima
Koji Oe
Assignee (at issue)
Dainippon Ink and Chemicals, Inc.
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.