Granted Patent
Utility
US 6,288,597 · App. 09/416,650
Temperature sensing circuit for voltage drive type semiconductor device and temperature sensing method therefore, and drive-device and voltage drive type semiconductor device using the same
Inventors:
Hiroyuki Hasegawa, Toshiki Kurosu, Shigeru Sugayama
Patented Case
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Granted: Sep 11, 2001
Filed: Oct 12, 1999
Inventors
Hiroyuki Hasegawa
Toshiki Kurosu
Shigeru Sugayama
Assignees (at issue)
HITACHI, LTD.
Hitachi Haramachi Electronics 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.