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Nihon Protector Co., Ltd.

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

Showing 1 to 6 of 6 · Back to Nihon Protector Co., Ltd.

PatentTitleStatus Expires Confidence
US 6,212,081Uninterruptible duplexed power supply system
Term ended
Term ended Mar 30, 2020 · From the USPTO record
Term endedTerm ended Mar 30, 2020From the USPTO record
US 6,034,514Switching regulator
Term ended
Term ended Nov 6, 2018 · From the USPTO record
Term endedTerm ended Nov 6, 2018From the USPTO record
US 6,381,156Uninterruptible duplexed power supply system, and unit plug-in structure for uninterruptible duplexed power supply system
Lapsed on the fee record
Ended Apr 30, 2014 · From the USPTO record
Lapsed on the fee recordEnded Apr 30, 2014From the USPTO record
US 6,504,270Uninterruptible switching regulator
Lapsed on the fee record
Ended Jan 7, 2007 · From the USPTO record
Lapsed on the fee recordEnded Jan 7, 2007From the USPTO record
US 5,508,904Switching regulator having superimposing chopping-wave voltage forming circuit
Term ended
Term ended no later than Apr 16, 2016 · Low confidence
Term endedTerm ended no later than Apr 16, 2016Low confidence
US 5,602,726Uninterruptive switching regulator
Term ended
Term ended no later than Feb 11, 2017 · Low confidence
Term endedTerm ended no later than Feb 11, 2017Low confidence
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