Granted Patent
Utility
US 6,373,776 · App. 09/805,167
Dynamic ram and semiconductor device
Inventors:
Hiroki Fujisawa, Riichiro Takemura, Koji Arai
Patented Case
View Patent ↗
Granted: Apr 16, 2002
Filed: Mar 14, 2001
Inventors
Hiroki Fujisawa
Riichiro Takemura
Koji Arai
Assignees (at issue)
HITACHI, LTD.
Hitachi Ulsi Systems 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.