Granted Patent
Utility
US 6,545,897 · App. 10/084,514
Dynamic RAM-and semiconductor device
Inventors:
Hiroki Fujisawa, Riichiro Takemura, Koji Arai
Patented Case
View Patent ↗
Granted: Apr 8, 2003
Filed: Feb 28, 2002
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.