Granted Patent
Utility
US 5,159,586 · App. 06/866,587
Device for processing optical data
Inventors:
Tsukasa Yamashita, Shiro Ogata, Keiji Hanada
Patented Case
View Patent ↗
Granted: Oct 27, 1992
Filed: May 23, 1986
Inventors
Tsukasa Yamashita
Shiro Ogata
Keiji Hanada
Assignee (at issue)
Omron Tateisi Electronics
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.