Granted Patent
Utility
US 6,195,190 · App. 09/315,085
Optical beam scanning device
Inventors:
Hidenari Tachibe, Hiromu Nakamura, Etsuko Shibata
Patented Case
View Patent ↗
Granted: Feb 27, 2001
Filed: May 19, 1999
Inventors
Hidenari Tachibe
Hiromu Nakamura
Etsuko Shibata
Assignee (at issue)
Minolta 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.