Inventor · disambiguated record

Hongchang Liu

Also filed as: LIU HONGCHANG

2 granted patents·2 citations·filing 2019–2020

33Inventor score

Technology areasA62C C12P

Files withHUNAN BEIBEISHENG BIOTECHNOLOGY IND CO LTD1 NINGJIN APC IND CO LTD1

Top patents by PatentIndex Score

2 records

0163US11998779B2Main valve for drawing straightway deluge valveNINGJIN APC IND CO LTD·Filed 2019·Granted Jun 4, 2024·2 cites·8 claims
0230US12297228B2Method for extracting useful substances from shrimp shellsHUNAN BEIBEISHENG BIOTECHNOLOGY IND CO LTD·Filed 2020·Granted May 13, 2025·0 cites·19 claims

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