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NEC Environment Engineering Ltd.

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

Showing 1 to 8 of 8 · Back to NEC Environment Engineering Ltd.

PatentTitleStatus Expires Confidence
US 4,955,236Method for observation of vibration mode
Term ended
Term ended no later than Sep 11, 2010 · Low confidence
Term endedTerm ended no later than Sep 11, 2010Low confidence
US 4,966,929Composition having damping property, damping member, process for preparation of damping member and method of using damping member
Formerly held
Term ended
Term ended no later than Oct 30, 2010 · Low confidence
Term endedTerm ended no later than Oct 30, 2010Low confidence
US 5,004,764Composition for vibration damper, process for manufacture thereof, and vibration damper
Term ended
Term ended no later than Apr 2, 2011 · Low confidence
Term endedTerm ended no later than Apr 2, 2011Low confidence
US 5,227,234Thermal adhesive vibration damping sheets
Term ended
Term ended no later than Jul 13, 2013 · Low confidence
Term endedTerm ended no later than Jul 13, 2013Low confidence
US 5,234,606Method and system for recovering wastewater
Term ended
Term ended no later than Aug 10, 2013 · Low confidence
Term endedTerm ended no later than Aug 10, 2013Low confidence
US 5,478,481Method of treating water containing organic chlorine compounds
Term ended
Term ended no later than Dec 26, 2015 · Low confidence
Term endedTerm ended no later than Dec 26, 2015Low confidence
US 5,545,316Apparatus for treating water containing organic chlorine compounds
Term ended
Term ended no later than Aug 13, 2016 · Low confidence
Term endedTerm ended no later than Aug 13, 2016Low confidence
US 5,582,741Method for treating polluted water
Term ended
Term ended no later than Dec 10, 2016 · Low confidence
Term endedTerm ended no later than Dec 10, 2016Low confidence
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