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Hidec Co., Ltd.

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Records under this name other than patents Hidec Co., Ltd. holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.

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PatentTitleStatus Expires Confidence
US 7,641,718Electrostatic precipitator
Lapsed on the fee record
Ended Jan 5, 2022 · From the USPTO record
Lapsed on the fee recordEnded Jan 5, 2022From the USPTO record
US 7,297,185Electrostatic dust precipitator
Lapsed on the fee record
Ended Nov 20, 2015 · From the USPTO record
Lapsed on the fee recordEnded Nov 20, 2015From the USPTO record
US 4,999,467Low-frequency electromagnetic induction heater
Term ended
Term ended no later than Mar 12, 2011 · Low confidence
Term endedTerm ended no later than Mar 12, 2011Low confidence
US 5,053,593Low-frequency electromagnetic induction heater
Term ended
Term ended no later than Oct 1, 2011 · Low confidence
Term endedTerm ended no later than Oct 1, 2011Low confidence
US 5,061,835Low-frequency electromagnetic induction heater
Term ended
Term ended no later than Oct 29, 2011 · Low confidence
Term endedTerm ended no later than Oct 29, 2011Low confidence
US 5,237,144Electromagnetic induction heater
Term ended
Term ended no later than Aug 17, 2013 · Low confidence
Term endedTerm ended no later than Aug 17, 2013Low confidence
US 5,270,511Low-frequency induction heater employing stainless steel material as a secondary winding
Term ended
Term ended no later than Dec 14, 2013 · Low confidence
Term endedTerm ended no later than Dec 14, 2013Low confidence
US 5,350,901Electromagnetic induction steam generator
Term ended
Term ended no later than Sep 27, 2014 · Low confidence
Term endedTerm ended no later than Sep 27, 2014Low confidence
US 5,401,939Electromagnetic induction heater with magnetic flux diffusing members
Term ended
Term ended no later than Mar 28, 2015 · Low confidence
Term endedTerm ended no later than Mar 28, 2015Low confidence
US 5,466,916Method and apparatus for joint resin pipes using high-frequency electric induction heating
Term ended
Term ended no later than Nov 14, 2015 · Low confidence
Term endedTerm ended no later than Nov 14, 2015Low confidence
10 of 11 patents shown.
Pro members see all 11.
Pro members: see all 11 patents
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