Inventor · disambiguated record

Changchun Ding

Also filed as: DING CHANGCHUN

1 granted patent·0 citations·filing 2020–2020

2Inventor score

Technology areasB01D

Files withNANJING YRD ECO DEV RI CO LTD1

Top patents by PatentIndex Score

1 record

0125US11130087B2Flame-retardant antibacterial composite polypropylene filter material and preparation method thereofNANJING YRD ECO DEV RI CO LTD·Filed 2020·Granted Sep 28, 2021·0 cites·10 claims

Join the waitlist — get patent alerts

Get an alert when Changchun Ding files or is granted a new patent.

We store only your email — no account needed. See our privacy policy.

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