Granted Patent
Utility
US 5,270,840 · App. 07/811,616
Image sensor and machine equipped therewith
Inventors:
Hiromi Ogata, Seiji Koshikawa
Patented Case
View Patent ↗
Granted: Dec 14, 1993
Filed: Dec 23, 1991
Inventors
Hiromi Ogata
Seiji Koshikawa
Assignee (at issue)
ROHM 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.