Inventor · disambiguated record

Chang-Ren Wu

Also filed as: WU CHANG-REN

1 granted patent·1 pending application·12 citations·filing 2016–2024

33Inventor score

Technology areasE05B

Files withI TEK METAL MFG CO LTD2

Top patents by PatentIndex Score

2 records

0179US9540848B1Door lock permitting easy change in lock core assembly orientationI-TEK METAL MFG CO LTD·Filed 2016·Granted Jan 10, 2017·12 cites·12 claims
0247US2025369255A1Door lock operating device with an alert functionI TEK METAL MFG CO LTD·Filed 2024·Application pending·0 cites

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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →