Granted Patent
Utility
US 4,717,942 · App. 06/635,538
Dynamic ram with capacitor groove surrounding switching transistor
Inventors:
Kunio Nakamura, Yukinori Kuroki
Patented Case
View Patent ↗
Granted: Jan 5, 1988
Filed: Jul 30, 1984
Inventors
Kunio Nakamura
Yukinori Kuroki
Assignee (at issue)
NEC 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.