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SPP Technologies Co., Ltd.

Also on record
Records under this name other than the patents SPP Technologies Co., Ltd. holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned. None of them is counted in the 16 patents it holds.

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PatentTitleStatus Expires Confidence
US 8,852,388Plasma Processor
Lapsed on the fee record
Ended Oct 7, 2026 · High confidence
Lapsed on the fee recordEnded Oct 7, 2026High confidence
US 8,771,461Plasma Processing Apparatus
Lapsed on the fee record
Ended Jul 8, 2026 · High confidence
Lapsed on the fee recordEnded Jul 8, 2026High confidence
US 8,628,676Plasma etching method
Lapsed on the fee record
Ended Jan 14, 2026 · From the USPTO record
Lapsed on the fee recordEnded Jan 14, 2026From the USPTO record
US 7,220,678Method for Etching of a Silicon Substrate and Etching Apparatus
Term ended
Term ended May 27, 2024 · High confidence
Term endedTerm ended May 27, 2024High confidence
US 6,802,712Heating System, Method for Heating a Deposition or Oxidation Reactor, and Reactor Including the Heating System
Term ended
Term ended Apr 11, 2022 · High confidence
Term endedTerm ended Apr 11, 2022High confidence
US 6,576,060Protective gas shield apparatus
Term ended
Term ended May 19, 2020 · From the USPTO record
Term endedTerm ended May 19, 2020From the USPTO record
US 6,206,973Chemical vapor deposition system and method
Term ended
Term ended Jan 6, 2020 · From the USPTO record
Term endedTerm ended Jan 6, 2020From the USPTO record
US 6,352,592Free floating shield and semiconductor processing system
Term ended
Ended no later than Jan 16, 2018 · From the USPTO record
Term endedEnded no later than Jan 16, 2018From the USPTO record
US 6,939,409Cleaning Method and Etching Method
Lapsed on the fee record
Ended Sep 6, 2017 · Medium confidence
Lapsed on the fee recordEnded Sep 6, 2017Medium confidence
US 6,913,653Cleaning and Etching Methods and Their Apparatuses
Lapsed on the fee record
Ended Jul 5, 2017 · Medium confidence
Lapsed on the fee recordEnded Jul 5, 2017Medium confidence
10 of 12 patents shown.
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