Granted Patent
Utility
US 6,445,895 · App. 09/768,810
Image forming apparatus having a belt attaching/detaching mechanism
Inventors:
Satoshi Shirasawa, Kazutaka Sato, Isao Nakajima, Yukio Otome
Patented Case
View Patent ↗
Granted: Sep 3, 2002
Filed: Jan 25, 2001
Inventors
Satoshi Shirasawa
Kazutaka Sato
Isao Nakajima
Yukio Otome
Assignees (at issue)
Hitachi Koki Co., Ltd.
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.