Granted Patent
Utility
US 6,747,890 · App. 10/249,347
Gain cell structure with deep trench capacitor
Inventors:
Toshiaki Kirihata, Subramanian S. Iyer, John W. Golz
Patented Case
View Patent ↗
Granted: Jun 8, 2004
Filed: Apr 2, 2003
Inventors
Toshiaki Kirihata
Subramanian S. Iyer
John W. Golz
Assignee (at issue)
International Business Machines Corporation
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.