Inventor · disambiguated record

Kai-Han Chen

Also filed as: Chen kai-han

1 granted patent·0 citations·filing 2020–2020

6Inventor score

Technology areasB22F

Files withMETAL IND RESEARCH&DEVELOPMENT CENTRE1

Top patents by PatentIndex Score

1 record

0147US11759858B2Metal object and manufacturing method thereof having solid lubricating surface layerMETAL IND RESEARCH&DEVELOPMENT CENTRE·Filed 2020·Granted Sep 19, 2023·0 cites·6 claims

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