Granted Patent
Utility
US 6,441,717 · App. 09/647,657
PTC thermister chip
Inventors:
Takashi Ikeda, Kohichi Morimoto, Junji Kojima, Kiyoshi Ikeuchi, Toshiyuki Iwao
Patented Case
View Patent ↗
Granted: Aug 27, 2002
Filed: Dec 15, 2000
Inventors
Takashi Ikeda
Kohichi Morimoto
Junji Kojima
Kiyoshi Ikeuchi
Toshiyuki Iwao
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.