Granted Patent
Utility
US 6,772,953 · App. 09/775,185
Contactless data carrier
Inventors:
Keiichi Iiyama, Takashi Noda, Shinji Murakami, Yutaka Harada, Takuya Oka, Masaru Tanichi
Patented Case
View Patent ↗
Granted: Aug 10, 2004
Filed: Feb 1, 2001
Inventors
Keiichi Iiyama
Takashi Noda
Shinji Murakami
Yutaka Harada
Takuya Oka
Masaru Tanichi
Assignee (at issue)
SUMITOMO ELECTRIC INDUSTRIES, 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.