Granted Patent
Utility
US 6,181,889 · App. 08/803,826
Image forming apparatus with reduced latent image vibration caused by photosensitive belt joint
Inventors:
Tomio Hayano, Tetsuro Akasaki, Kazuhiro Wakamatsu, Isamu Terashima, Shoji Ukei
Patented Case
View Patent ↗
Granted: Jan 30, 2001
Filed: Feb 24, 1997
Inventors
Tomio Hayano
Tetsuro Akasaki
Kazuhiro Wakamatsu
Isamu Terashima
Shoji Ukei
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.