Granted Patent
Utility
US 6,814,432 · App. 10/455,323
Inkjet recording device and ink supplying device employed thereby
Inventors:
Takahiro Yamada, Kunihiro Tamahashi, Akemi Ouchi, Kunio Satou, Kazuo Shimizu, Hitoshi Kida, Hidetoshi Fujii
Patented Case
View Patent ↗
Granted: Nov 9, 2004
Filed: Jun 6, 2003
Inventors
Takahiro Yamada
Kunihiro Tamahashi
Akemi Ouchi
Kunio Satou
Kazuo Shimizu
Hitoshi Kida
Hidetoshi Fujii
Assignee (at issue)
Hitachi Printing Solutions, 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.