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Patents Grantslast 30 patents

Information Patent Grant
Preparation method for three-layer artificial blood vessel and appl...
- Patent number 12,257,141
- Issue date Mar 25, 2025
- WUHAN YOUNGSEN BIOTECH CO., LTD
- Chenxi Ouyang
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Compound heparin anticoagulant coating liquid, a microsphere for co...
- Patent number 11,083,824
- Issue date Aug 10, 2021
- WUHAN YOUNGSEN BIOTECH CO., LTD
- Tuo Yan
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents

Information Patent Application
ATRIAL SEPTAL DEFECT OCCLUDER
- Publication number 20240197307
- Publication date Jun 20, 2024
- NATIONAL CENTER FOR CARDIOVASCULAR DISEASE AND FUWAI HOSPITAL
- Yuanrui Gu
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
VALVED VASCULAR PROSTHESIS AND MANUFACTURING METHOD THEREOF
- Publication number 20220071760
- Publication date Mar 10, 2022
- FUWAI HOSPITAL CHINESE ACADEMY OF MEDICAL SCIENCES
- Chenxi Ouyang
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
PREPARATION METHOD FOR THREE-LAYER ARTIFICIAL BLOOD VESSEL AND APPL...
- Publication number 20210338410
- Publication date Nov 4, 2021
- WUHAN YOUNGSEN BIOTECH CO., LTD.
- CHENXI OUYANG
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Application
PREPARATION METHOD OF MATERIAL FOR PUNCTURE-RESISTANT ARTIFICIAL BL...
- Publication number 20210338411
- Publication date Nov 4, 2021
- WUHAN YOUNGSEN BIOTECH CO., LTD.
- CHENXI OUYANG
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Application
COMPOUND HEPARIN ANTICOAGULANT COATING LIQUID, A MICROSPHERE FOR CO...
- Publication number 20200086012
- Publication date Mar 19, 2020
- WUHAN YOUNGSEN BIOTECH CO., LTD.
- TUO YAN
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE