Granted Patent
Utility
US 6,603,942 · App. 10/216,725
Image forming apparatus having belt-shaped carrier
Inventors:
Kenji Asuwa, Kazutaka Sato, Masahiro Yagi, Isao Nakajima, Yukio Otome, Akihiko Yamazaki
Patented Case
View Patent ↗
Granted: Aug 5, 2003
Filed: Aug 13, 2002
Inventors
Kenji Asuwa
Kazutaka Sato
Masahiro Yagi
Isao Nakajima
Yukio Otome
Akihiko Yamazaki
Assignees (at issue)
HITACHI, LTD.
Hitachi Koki Co., 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.