Inventor

ZHU HUIDAN

CN2 patents

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

GUANGZHOU HUAZHEN PHARMACEUTICAL CO LTD

1 patent

US12441732B2Oct 14, 2025

Potassium salt crystal form B of phosphodiesterase type 5 inhibitor, and preparation method and use therefor

GUANGZHOU HUAZHEN PHARMACEUTICAL CO LTD0 citations46

SHENZHEN HANHUI PHARMACEUTICAL TECH CO LTD

1 patent

US12569484B2Mar 10, 2026

Use of phosphodiesterase 5 inhibitor in preparation of medicament for resisting fibrotic diseases

SHENZHEN HANHUI PHARMACEUTICAL TECH CO LTD0 citations45