Inventor · disambiguated record

Jin-Hua Du

Also filed as: Du jin-hua

1 granted patent·4 citations·filing 2016–2016

24Inventor score

Technology areasF16K

Files withCHONGQING RATO TECH CO LTD1

Top patents by PatentIndex Score

1 record

0174US9803773B2Oil-gas dual-purpose integrated switchCHONGQING RATO TECH CO LTD·Filed 2016·Granted Oct 31, 2017·4 cites·10 claims

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Jin-Hua Du — Patent Inventor | PatentIndex