Assignee
TONGWEI SOLAR CHENGDU CO LTD
CN·6 granted patents·22 pending applications·1 citations·filing 2020–2025
Top patents by PatentIndex Score
28 records- 0181US12369427B1Metal-semiconductor contact structure and preparation method therefor, solar cell, solar cell string and preparation method therefor, and photovoltaic moduleTONGWEI SOLAR CHENGDU CO LTD·Filed 2024·Granted Jul 22, 2025·1 cites·20 claims
- 0268US2026020426A1Solar cell, preparation method thereof, and photovoltaic moduleTONGWEI SOLAR CHENGDU CO LTD·Filed 2025·Application pending·0 cites
- 0359US2025301818A1Metal-semiconductor contact structure and preparation method therefor, solar cell and photovoltaic moduleTONGWEI SOLAR CHENGDU CO LTD·Filed 2024·Application pending·0 cites
- 0457US2025351615A1Solar cell and preparation method thereforTONGWEI SOLAR CHENGDU CO LTD·Filed 2023·Application pending·0 cites
- 0556US2026040719A1Solar cell, solar cell string, and photovoltaic moduleTONGWEI SOLAR CHENGDU CO LTD·Filed 2025·Application pending·0 cites
- 0653US2026033020A1Photovoltaic module and manufacturing method thereofTONGWEI SOLAR CHENGDU CO LTD·Filed 2025·Application pending·0 cites
- 0751US2025376607A1Composite adhesive film, method for preparing same, and photovoltaic moduleTONGWEI SOLAR CHENGDU CO LTD·Filed 2025·Application pending·0 cites
- 0851US2026040721A1Solar cell and preparation method therefor and photovoltaic moduleTONGWEI SOLAR CHENGDU CO LTD·Filed 2025·Application pending·0 cites
- 0950US2025386616A1Solar cell preparation method, and coating carrier plate for solar cell and application thereofTONGWEI SOLAR CHENGDU CO LTD·Filed 2023·Application pending·0 cites
- 1048US2024162364A1Transparent conductive oxide film and heterojunction solar cellTONGWEI SOLAR CHENGDU CO LTD·Filed 2021·Application pending·0 cites
- 1147US12213328B2Silicon/perovskite tandem solar cell and preparation method thereofTONGWEI SOLAR CHENGDU CO LTD·Filed 2022·Granted Jan 28, 2025·0 cites·14 claims
- 1247US2024063318A1Crystalline silicon solar cell and metallization method thereforTONGWEI SOLAR CHENGDU CO LTD·Filed 2022·Application pending·0 cites
- 1346US12453190B2Method for preparing heterojunction solar cell, heterojunction solar cell and application thereofTONGWEI SOLAR CHENGDU CO LTD·Filed 2022·Granted Oct 21, 2025·0 cites·10 claims
- 1446US2025126923A1Solar cell and preparation method therefor and application thereofTONGWEI SOLAR CHENGDU CO LTD·Filed 2022·Application pending·0 cites
- 1546US2025204077A1Solar cell and preparation method therefor, and photovoltaic systemTONGWEI SOLAR CHENGDU CO LTD·Filed 2022·Application pending·0 cites
- 1646US2023343878A1Solar cell and front electrode thereof, and manufacturing methodTONGWEI SOLAR CHENGDU CO LTD·Filed 2021·Application pending·0 cites
- 1746US2023146692A1Perc solar cell selective emitter, perc solar cell and manufacturing method thereforTONGWEI SOLAR CHENGDU CO LTD·Filed 2021·Application pending·0 cites
- 1846US2025160033A1Solar cell and manufacturing method thereforTONGWEI SOLAR CHENGDU CO LTD·Filed 2022·Application pending·0 cites
- 1945US2025344550A1Heterojunction solar cell, preparation method thereof and power generation deviceTONGWEI SOLAR CHENGDU CO LTD·Filed 2022·Application pending·0 cites
- 2045US2025072156A1Preparation method for solar cell and solar cellTONGWEI SOLAR CHENGDU CO LTD·Filed 2022·Application pending·0 cites
- 2144US2024097056A1Efficient Back Passivation Crystalline Silicon Solar Cell and Manufacturing Method ThereforTONGWEI SOLAR CHENGDU CO LTD·Filed 2020·Application pending·0 cites
- 2243US11973151B2HJT cell having high photoelectric conversion efficiency and preparation method thereforTONGWEI SOLAR CHENGDU CO LTD·Filed 2021·Granted Apr 30, 2024·0 cites·17 claims
- 2343US2026020373A1Metal-semiconductor contact structure, solar cell and photovoltaic moduleTONGWEI SOLAR CHENGDU CO LTD·Filed 2025·Application pending·0 cites
- 2443US2025234671A1Solar cell and manufacturing method thereforTONGWEI SOLAR CHENGDU CO LTD·Filed 2023·Application pending·0 cites
- 2543US2024204118A1Solar cell and manufacturing method thereofTONGWEI SOLAR CHENGDU CO LTD·Filed 2022·Application pending·0 cites
- 2642US12581768B2Solar cell and photovoltaic moduleTONGWEI SOLAR CHENGDU CO LTD·Filed 2025·Granted Mar 17, 2026·0 cites·11 claims
- 2742US11949031B2P-type bifacial solar cell with partial rear surface field passivation and preparation method thereforTONGWEI SOLAR CHENGDU CO LTD·Filed 2020·Granted Apr 2, 2024·0 cites·5 claims
- 2841US2026090132A1Ibc solar cell and preparation method thereof, photovoltaic module, and power generation deviceTONGWEI SOLAR CHENGDU CO LTD·Filed 2025·Application pending·0 cites
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