Granted Patent
Utility
US 6,401,609 · App. 09/626,131
Gravure printing method using aquatic gravure ink and gravure printing machine for the same
Inventors:
Hirotsugu Fukumori, Michiyoshi Shimizu, Toshiyuki Torasawa, Katsumi Nakaya, Kimio Sugiyama
Patented Case
View Patent ↗
Granted: Jun 11, 2002
Filed: Jul 26, 2000
Inventors
Hirotsugu Fukumori
Michiyoshi Shimizu
Toshiyuki Torasawa
Katsumi Nakaya
Kimio Sugiyama
Assignee (at issue)
Japan Patent Management 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.