Inventor
YANG YUFENG
CN17 patents
⚠️ This page may combine multiple inventors who share the name “YANG YUFENG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CATHAY BIOTECH INC
8 patentsUS11999689B2Jun 4, 2024
Method and system for extracting long chain dicarboxylic acid
CATHAY BIOTECH INC1 citations62
US11155512B2Oct 26, 2021
Method and system for refining long chain dicarboxylic acid
CATHAY BIOTECH INC0 citations62
US12030848B2Jul 9, 2024
Solid-solid separation process for long chain dicarboxylic acids
CATHAY BIOTECH INC0 citations61
US11427525B2Aug 30, 2022
Solid-solid separation process for long chain dicarboxylic acids
CATHAY BIOTECH INC0 citations61
US12017182B2Jun 25, 2024
Method and system for refining long chain dicarboxylic acid
CATHAY BIOTECH INC0 citations51
US11806670B2Nov 7, 2023
Method and system for extracting long chain dicarboxylic acid
CATHAY BIOTECH INC0 citations51
US11229881B2Jan 25, 2022
Method and system for extracting long chain dicarboxylic acid
CATHAY BIOTECH INC0 citations51
US10807937B2Oct 20, 2020
Solid-solid separation process for long chain dicarboxylic acids
CATHAY BIOTECH INC0 citations51
YANG YUFENG
3 patentsWENZHOU WEILAN OPTICAL CO LTD
2 patentsXCMG EXCAVATOR MACHINERY CO
2 patentsUS9518371B2Dec 13, 2016
Method for improving excavating operation characteristic and grading operation characteristic of excavator
XCMG EXCAVATOR MACHINERY CO2 citations54
US9745725B2Aug 29, 2017
Apparatus for improving excavating operation characteristic and grading operation characteristic of excavator
XCMG EXCAVATOR MACHINERY CO0 citations33