Granted Patent
Utility
US 4,843,425 · App. 07/094,907
Image forming method and apparatus
Inventors:
Masahiko Itaya, Tetsuya Niitsuma, Syuzi Okamoto
Patented Case
View Patent ↗
Granted: Jun 27, 1989
Filed: Sep 10, 1987
Inventors
Masahiko Itaya
Tetsuya Niitsuma
Syuzi Okamoto
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.