Granted Patent
Utility
US 6,069,834 · App. 08/813,900
Semiconductor IC device having a memory and a logic circuit implemented with a single chip
Inventors:
Takao Watanabe, Kazushige Ayukawa, Ryo Fujita, Kazumasa Yanagisawa, Hitoshi Tanaka
Patented Case
View Patent ↗
Granted: May 30, 2000
Filed: Mar 7, 1997
Inventors
Takao Watanabe
Kazushige Ayukawa
Ryo Fujita
Kazumasa Yanagisawa
Hitoshi Tanaka
Assignees (at issue)
HITACHI, LTD.
Hitachi VLSI Engineering Corp.
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.