Inventor · disambiguated record
Weifeng Qu
Also filed as: QU WEIFENG
2 granted patents·3 pending applications·127 citations·filing 2000–2022
60Inventor score
Technology areasH10P
Top patents by PatentIndex Score
5 records- 0194US6544656B1Production method for silicon wafer and silicon waferSHINETSU HANDOTAI KK·Filed 2000·Granted Apr 8, 2003·127 cites·24 claims
- 0250US2025059675A1Nitride semiconductor substrate and method for producing sameSHIN ETSU HANDOTAI CO LTD·Filed 2022·Application pending·0 cites
- 0349US2024117525A1Nitride semiconductor substrate and method for producing the sameSHINETSU HANDOTAI KK·Filed 2022·Application pending·0 cites
- 0442US11761118B2Carbon-doped silicon single crystal wafer and method for manufacturing the sameSHINETSU HANDOTAI KK·Filed 2020·Granted Sep 19, 2023·0 cites·17 claims
- 0539US2023212782A1Method for manufacturing silicon single-crystal substrate and silicon single-crystal substrateSHINETSU HANDOTAI KK·Filed 2021·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →