Granted Patent
Utility
US 6,609,236 · App. 09/964,615
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: Aug 19, 2003
Filed: Sep 28, 2001
Inventors
Takao Watanabe
Kazushige Ayukawa
Ryo Fujita
Kazumasa Yanagisawa
Hitoshi Tanaka
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.