Granted Patent
Utility
US 4,556,800 · App. 06/479,893
Optical image sensor apparatus with grouped photosensors connected in common
Inventors:
Hisao Ohta, Toru Baji, Yuji Izawa, Eizou Ebisui, Toshihisa Tsukada, Hideaki Yamamoto
Patented Case
View Patent ↗
Granted: Dec 3, 1985
Filed: Mar 29, 1983
Inventors
Hisao Ohta
Toru Baji
Yuji Izawa
Eizou Ebisui
Toshihisa Tsukada
Hideaki Yamamoto
Assignees (at issue)
Nippon Telegraph and Telephone Public Corporation
HITACHI, 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.