Granted Patent
Utility
US 6,683,809 · App. 10/424,943
Nonvolatile memory, IC card and data processing system
Inventors:
Yuki Matsuda, Kenya Otani, Minoru Kato, Takeo Kon
Patented Case
View Patent ↗
Granted: Jan 27, 2004
Filed: Apr 29, 2003
Inventors
Yuki Matsuda
Kenya Otani
Minoru Kato
Takeo Kon
Assignees (at issue)
Renesas Technology Corporation
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.