IP Library › Granted Patent US 6,639,822
Granted Patent Utility
US 6,639,822 · App. 10/361,642

Dynamic ram-and semiconductor device

Inventors: Hiroki Fujisawa, Riichiro Takemura, Koji Arai
Patented Case View Patent ↗
Granted: Oct 28, 2003 Filed: Feb 11, 2003
Inventors
Hiroki Fujisawa
Riichiro Takemura
Koji Arai
Assignees (at issue)
HITACHI, LTD.
Hitachi Ulsi Systems Co., Ltd.

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Quick Facts
Patent No.
US 6,639,822
App. No.
10/361,642
Filed
2003-02-11
Granted
2003-10-28
Kind
B2