Granted Patent
Utility
US 6,801,740 · App. 10/616,084
Developing device and electrophotographic apparatus
Inventors:
Katsuyuki Ito, Takuya Goto, Kentaro Hasegawa, Takanori Mimura
Patented Case
View Patent ↗
Granted: Oct 5, 2004
Filed: Jul 8, 2003
Inventors
Katsuyuki Ito
Takuya Goto
Kentaro Hasegawa
Takanori Mimura
Assignee (at issue)
Oki Data Corporation
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.