Granted Patent
Utility
US 6,688,737 · App. 10/007,374
Recording liquid, inkjet recording method and recording equipment using the same
Inventors:
Kiyofumi Nagai, Hitoshi Arita, Nobutaka Osada, Masayuki Koyano
Patented Case
View Patent ↗
Granted: Feb 10, 2004
Filed: Dec 5, 2001
Inventors
Kiyofumi Nagai
Hitoshi Arita
Nobutaka Osada
Masayuki Koyano
Assignee (at issue)
RICOH COMPANY, 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.