Granted Patent
Utility
US 6,067,102 · App. 08/945,237
Electrophotographic recording device and exposure controlling device therefor
Inventors:
Mamoru Okano, Shinya Kobayashi, Nobuyoshi Hoshi
Patented Case
View Patent ↗
Granted: May 23, 2000
Filed: Oct 17, 1997
Inventors
Mamoru Okano
Shinya Kobayashi
Nobuyoshi Hoshi
Assignees (at issue)
HITACHI, LTD.
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.