Inventor

XU YIFENG

CN4 patents

⚠️ This page may combine multiple inventors who share the name “XU YIFENG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

BIOTHEUS INC

2 patents

US12565534B2Mar 3, 2026

Nano-antibody targeting CAIX antigen and application thereof

BIOTHEUS INC0 citations54

US12409233B2Sep 9, 2025

Anti-PD-L1 single-domain antibody and derivatives and use thereof

BIOTHEUS INC0 citations51

COVESTRO INTELLECTUAL PROPERTY GMBH & CO KG

1 patent

US12180387B2Dec 31, 2024

Coating composition

COVESTRO INTELLECTUAL PROPERTY GMBH & CO KG0 citations59

UNIV ZHENGZHOU AERONAUTICS

1 patent

US11504652B2Nov 22, 2022

Kind of an integrated sewage treatment equipment for paper mill

UNIV ZHENGZHOU AERONAUTICS0 citations41