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PT Plus Co., Ltd.

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

Showing 1 to 7 of 7 · Back to PT Plus Co., Ltd.

PatentTitleStatus Expires Confidence
US 6,197,623Method for crystallizing amorphous silicon thin-film for use in thin-film transistors and thermal annealing apparatus therefor
Formerly held
Term ended
Term ended Oct 16, 2018 · From the USPTO record
Term endedTerm ended Oct 16, 2018From the USPTO record
US 6,692,996Method for crystallizing silicon layer
Lapsed on the fee record
Ended Feb 17, 2016 · From the USPTO record
Lapsed on the fee recordEnded Feb 17, 2016From the USPTO record
US 6,689,647Method for crystallizing amorphous silicon thin-film for use in thin-film transistors and thermal annealing apparatus therefor
Formerly held
Lapsed on the fee record
Ended Feb 10, 2016 · From the USPTO record
Lapsed on the fee recordEnded Feb 10, 2016From the USPTO record
US 6,596,573Thin film transistor including polycrystalline active layer and method for fabricating the same
Lapsed on the fee record
Ended Jul 22, 2015 · From the USPTO record
Lapsed on the fee recordEnded Jul 22, 2015From the USPTO record
US 6,548,331Method for fabricating thin film transistor including crystalline silicon active layer
Lapsed on the fee record
Ended Apr 15, 2015 · From the USPTO record
Lapsed on the fee recordEnded Apr 15, 2015From the USPTO record
US 6,537,890Poly-silicon thin film transistor having back bias effects and fabrication method thereof
Formerly held
Lapsed on the fee record
Ended Mar 25, 2015 · From the USPTO record
Lapsed on the fee recordEnded Mar 25, 2015From the USPTO record
US 6,936,504Poly-silicon thin film transistor having back bias effects and fabrication method thereof
Formerly held
Lapsed on the fee record
Ended Aug 30, 2013 · From the USPTO record
Lapsed on the fee recordEnded Aug 30, 2013From the USPTO record
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