Inventor · disambiguated record

Fengyi Chang

Also filed as: CHANG FENGYI

1 granted patent·4 citations·filing 2016–2016

23Inventor score

Technology areasB22D

Files withCITIC DICASTAL CO LTD1

Top patents by PatentIndex Score

1 record

0192US9707620B2Open-type side-mold water spot-cooling device, manufacturing method thereof and method for cooling a casting moldCITIC DICASTAL CO LTD·Filed 2016·Granted Jul 18, 2017·4 cites·8 claims

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