Granted Patent
Utility
US 6,184,909 · App. 09/146,350
Recording apparatus with rotatable liquid developer units enabling agitation of liquid developer
Inventors:
Junichi Matsuno, Shogo Matsumoto, Akira Mori, Keiji Kamio, Mitsuo Suzuki
Patented Case
View Patent ↗
Granted: Feb 6, 2001
Filed: Sep 3, 1998
Inventors
Junichi Matsuno
Shogo Matsumoto
Akira Mori
Keiji Kamio
Mitsuo Suzuki
Assignee (at issue)
HITACHI, 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.