Granted Patent
Utility
US 6,831,378 · App. 10/282,142
Semiconductor integrated circuit device and contactless electronic device
Inventors:
Kazuki Watanabe, Ryouzou Yoshino, Norihisa Yamamoto, Hajime Kinota, Keiji Kamei
Patented Case
View Patent ↗
Granted: Dec 14, 2004
Filed: Oct 29, 2002
Inventors
Kazuki Watanabe
Ryouzou Yoshino
Norihisa Yamamoto
Hajime Kinota
Keiji Kamei
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.