IP Library Granted Patent US 6,731,451
Granted Patent Utility
US 6,731,451 · App. 10/022,736

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: May 4, 2004 Filed: Dec 20, 2001
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.

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Quick Facts
Patent No.
US 6,731,451
App. No.
10/022,736
Filed
2001-12-20
Granted
2004-05-04
Kind
B2