Granted Patent
Utility
US 5,884,119 · App. 08/895,032
Light exposure controlling method of electrophotographic apparatus for suppressing fringe in picture
Inventors:
Seiji Maruo, Hisao Okada, Hiroyuki Mabuchi, Kazutoshi Obara, Kenichi Ito
Patented Case
View Patent ↗
Granted: Mar 16, 1999
Filed: Jul 16, 1997
Inventors
Seiji Maruo
Hisao Okada
Hiroyuki Mabuchi
Kazutoshi Obara
Kenichi Ito
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.