Inventor · disambiguated record

Donghao Cai

Also filed as: CAI DONGHAO

1 granted patent·0 citations·filing 2020–2020

8Inventor score

Technology areasA41H

Files withBEIJING BEISHUTE MATERNITY & CHILD ARTICLES CO LTD1

Top patents by PatentIndex Score

1 record

0143US12213551B2Manufacturing process and apparatus for duckbill maskBEIJING BEISHUTE MATERNITY & CHILD ARTICLES CO LTD·Filed 2020·Granted Feb 4, 2025·0 cites·15 claims

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