Inventor · disambiguated record
Guoqing Qiu
Also filed as: QIU GUOQING
3 granted patents·0 citations·filing 2011–2019
39Inventor score
Top patents by PatentIndex Score
3 records- 0149US11107665B2Feeding structure, upper electrode assembly, and physical vapor deposition chamber and deviceBEIJING NAURA MICROELECTRONICS EQUIPMENT CO LTD·Filed 2019·Granted Aug 31, 2021·0 cites·20 claims
- 0243US10381202B2Magnetron and magnetron sputtering deviceBEIJING NAURA MICROELECTRONICS EQUIPMENT CO LTD·Filed 2014·Granted Aug 13, 2019·0 cites·14 claims
- 0340US9399817B2Magnetron source, magnetron sputtering apparatus and magnetron sputtering methodLI YANGCHAO·Filed 2011·Granted Jul 26, 2016·0 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →