Inventor · disambiguated record

Naizhong Chen

Also filed as: CHEN NAIZHONG

1 granted patent·2 citations·filing 2014–2014

18Inventor score

Technology areasE05B

Files withYANTAI TRI CIRCLE SCIENCE & TECH CO LTD1

Top patents by PatentIndex Score

1 record

0143US10066418B2Changeable combined mechanical keyYANTAI TRI CIRCLE SCIENCE & TECH CO LTD·Filed 2014·Granted Sep 4, 2018·2 cites·5 claims

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