Granted Patent
Utility
US 6,031,677 · App. 09/126,435
Information management apparatus
Inventors:
Hiroaki Ono, Kiyoshi Kano, Hideo Nishijima, Takao Arai, Takaharu Noguchi, Nobutaka Amada, Hiroo Okamoto, Hitoaki Owashi, Keizo Nishimura, Nobuyuki Kaku, Shinya Fujimori
Patented Case
View Patent ↗
Granted: Feb 29, 2000
Filed: Jul 30, 1998
Inventors
Hiroaki Ono
Kiyoshi Kano
Hideo Nishijima
Takao Arai
Takaharu Noguchi
Nobutaka Amada
Hiroo Okamoto
Hitoaki Owashi
Keizo Nishimura
Nobuyuki Kaku
Shinya Fujimori
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.