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Sumida Technologies Incorporated

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

Showing 1 to 10 of 10 · Back to Sumida Technologies Incorporated

PatentTitleStatus Expires Confidence
US 6,650,218Inverter Transformer
Formerly held
Term ended
Term ended May 31, 2022 · High confidence
Term endedTerm ended May 31, 2022High confidence
US 7,005,106Lead-free solder alloy and electronic components using it
Formerly held
Term ended
Term ended Aug 30, 2021 · From the USPTO record
Term endedTerm ended Aug 30, 2021From the USPTO record
US 6,356,179Inductance device
Formerly held
Term ended
Term ended Feb 18, 2020 · From the USPTO record
Term endedTerm ended Feb 18, 2020From the USPTO record
US 7,183,886Inductance device
Lapsed on the fee record
Ended Feb 27, 2019 · From the USPTO record
Lapsed on the fee recordEnded Feb 27, 2019From the USPTO record
US 7,009,854Inverter transformer and inverter circuit
Formerly held
Lapsed on the fee record
Ended Mar 7, 2018 · From the USPTO record
Lapsed on the fee recordEnded Mar 7, 2018From the USPTO record
US 6,967,558Inverter transformer and inverter circuit
Formerly held
Lapsed on the fee record
Ended Nov 22, 2017 · From the USPTO record
Lapsed on the fee recordEnded Nov 22, 2017From the USPTO record
US 6,933,821Leakage transformer
Formerly held
Lapsed on the fee record
Ended Aug 23, 2017 · From the USPTO record
Lapsed on the fee recordEnded Aug 23, 2017From the USPTO record
US 7,342,476Leakage transformer
Formerly held
Lapsed on the fee record
Ended Mar 11, 2016 · From the USPTO record
Lapsed on the fee recordEnded Mar 11, 2016From the USPTO record
US 6,919,693High-voltage transformer and discharge lamp driving apparatus
Lapsed on the fee record
Ended Jul 19, 2013 · From the USPTO record
Lapsed on the fee recordEnded Jul 19, 2013From the USPTO record
US 6,249,202Inductance element
Formerly held
Lapsed on the fee record
Ended Jun 19, 2013 · From the USPTO record
Lapsed on the fee recordEnded Jun 19, 2013From the USPTO record
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