Granted Patent
Utility
US 5,451,997 · App. 08/240,506
Light scanning device with plural radii scanning lens system
Inventors:
Takeshi Mochizuki, Susumu Saito, Akira Arimoto
Patented Case
View Patent ↗
Granted: Sep 19, 1995
Filed: May 10, 1994
Inventors
Takeshi Mochizuki
Susumu Saito
Akira Arimoto
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.