Inventor · disambiguated record

Yihui Guan

Also filed as: GUAN YIHUI

1 granted patent·1 pending application·1 citations·filing 2015–2024

15Inventor score

Technology areasB23K B61F

Files withCRRC QINGDAO SIFANG CO LTD2

Top patents by PatentIndex Score

2 records

0163US2025196265A1Laser cladding repair method and apparatus for surface damage of part, and partCRRC QINGDAO SIFANG CO LTD·Filed 2024·Application pending·0 cites
0257US9744976B2Railway vehicle and axle box structure thereofCRRC QINGDAO SIFANG CO LTD·Filed 2015·Granted Aug 29, 2017·1 cites·9 claims

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