Inventor · disambiguated record
Xiangrui Li
Also filed as: LI XIANGRUI
4 granted patents·2 pending applications·5 citations·filing 2009–2023
59Inventor score
Files withCRRC QINGDAO SIFANG ROLLING STOCK RES INST CO LTD2TEXAS INSTRUMENTS INC2CRRC QINGDAO SIFANG ROLLING STOCK RES1HK APPLIED SCIENCE & TECH RES1
Top patents by PatentIndex Score
6 records- 0170US8002409B2Vision treatment procedures and devicesHK APPLIED SCIENCE & TECH RES·Filed 2009·Granted Aug 23, 2011·5 cites·28 claims
- 0248US2025112133A1Packages with stepped conductive terminalsTEXAS INSTRUMENTS INC·Filed 2023·Application pending·0 cites
- 0347US2025069999A1Dynamic plated metal thickness for semiconductor packageTEXAS INSTRUMENTS INC·Filed 2023·Application pending·0 cites
- 0436US9932053B2Hand brake limiting deviceCRRC QINGDAO SIFANG ROLLING STOCK RES INST CO LTD·Filed 2016·Granted Apr 3, 2018·0 cites·10 claims
- 0532US9677959B2Testing device for electromagnetic attraction force of a magnetic track brakeCRRC QINGDAO SIFANG ROLLING STOCK RES INST CO LTD·Filed 2015·Granted Jun 13, 2017·0 cites·7 claims
- 0625US9828009B2Hand brakeCRRC QINGDAO SIFANG ROLLING STOCK RES·Filed 2016·Granted Nov 28, 2017·0 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →