Granted Patent
Utility
US 4,680,625 · App. 06/753,335
Method and apparatus for multicolor image forming
Inventors:
Hisashi Shoji, Satoshi Haneda, Seiichiro Hiratsuka
Patented Case
View Patent ↗
Granted: Jul 14, 1987
Filed: Jul 9, 1985
Inventors
Hisashi Shoji
Satoshi Haneda
Seiichiro Hiratsuka
Assignee (at issue)
Konishiroku Photo Industry 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.