Granted Patent
Utility
US 5,648,921 · App. 08/495,271
Digital operational circuit with pathmetrics calculating steps simplified
Inventors:
Satoru Araki, Yoshihito Shimazaki, Kenichiro Hosoda
Patented Case
View Patent ↗
Granted: Jul 15, 1997
Filed: Jun 27, 1995
Inventors
Satoru Araki
Yoshihito Shimazaki
Kenichiro Hosoda
Assignee (at issue)
OKI ELECTRIC 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.