Assignee
BEIJING TONGMEI XTAL TECH CO LTD
CN·8 granted patents·0 citations·filing 2018–2024
Top patents by PatentIndex Score
8 records- 0174US12512352B2Ventilated puckBEIJING TONGMEI XTAL TECH CO LTD·Filed 2024·Granted Dec 30, 2025·0 cites·8 claims
- 0264US12040206B2Ventilated puckBEIJING TONGMEI XTAL TECH CO LTD·Filed 2022·Granted Jul 16, 2024·0 cites·5 claims
- 0361US12241845B2Method and setup for detecting surface haze of materialsBEIJING TONGMEI XTAL TECH CO LTD·Filed 2021·Granted Mar 4, 2025·0 cites·12 claims
- 0457US11127867B2Monocrystalline germanium wafers, method for preparing the same, method for preparing ingots and use of monocrystalline wafersBEIJING TONGMEI XTAL TECH CO LTD·Filed 2018·Granted Sep 21, 2021·0 cites·18 claims
- 0551US12336319B2Germanium single-crystal wafer, method for preparing germanium single-crystal wafer, method for preparing crystal bar, and use of single-crystal waferBEIJING TONGMEI XTAL TECH CO LTD·Filed 2020·Granted Jun 17, 2025·0 cites·20 claims
- 0651US12033877B2Ventilated wafer cassetteBEIJING TONGMEI XTAL TECH CO LTD·Filed 2022·Granted Jul 9, 2024·0 cites·2 claims
- 0744US11094549B2Indium phosphide wafer having pits on the back side, method and etching solution for manufacturing the sameBEIJING TONGMEI XTAL TECH CO LTD·Filed 2018·Granted Aug 17, 2021·0 cites·13 claims
- 0843US11376703B2Indium phosphide (InP) wafer having pits of olive-shape on the back side, method and etching solution for manufacturing the sameBEIJING TONGMEI XTAL TECH CO LTD·Filed 2018·Granted Jul 5, 2022·0 cites·15 claims
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