Granted Patent
Utility
US 5,325,154 · App. 07/865,796
Color printer using circulation period to control registration of images
Inventors:
Hideo Tayama, Kenichi Akahori
Patented Case
View Patent ↗
Granted: Jun 28, 1994
Filed: Mar 30, 1992
Inventors
Hideo Tayama
Kenichi Akahori
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.