Granted Patent
Utility
US 5,651,006 · App. 08/461,524
Hierarchical network management system
Inventors:
Shuji Fujino, Masato Saito, Takashi Kagei, Yasuhiro Tanaka, Shinichi NAKAZAKI, Yoshinori Ooba
Patented Case
View Patent ↗
Granted: Jul 22, 1997
Filed: Jun 5, 1995
Inventors
Shuji Fujino
Masato Saito
Takashi Kagei
Yasuhiro Tanaka
Shinichi NAKAZAKI
Yoshinori Ooba
Assignee (at issue)
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.