Granted Patent
Utility
US 6,543,360 · App. 09/748,864
Printing plate and printer using it
Inventors:
Hiroshi Sasaki, Mitsuyoshi Shouji, Kenichi Kawashima, Yutaka Ito, Teruaki Mitsuya, Nobuyoshi Hoshi
Patented Case
View Patent ↗
Granted: Apr 8, 2003
Filed: Dec 28, 2000
Inventors
Hiroshi Sasaki
Mitsuyoshi Shouji
Kenichi Kawashima
Yutaka Ito
Teruaki Mitsuya
Nobuyoshi Hoshi
Assignees (at issue)
HITACHI, LTD.
Hitachi Koki 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.