Granted Patent
Utility
US 5,218,377 · App. 07/689,575
Laser printing device with control of oscillation amplitude
Inventors:
Keiji Kataoka, Susumu Saito, Takeshi Mochizuki
Patented Case
View Patent ↗
Granted: Jun 8, 1993
Filed: Apr 23, 1991
Inventors
Keiji Kataoka
Susumu Saito
Takeshi Mochizuki
Assignee (at issue)
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.