Inventor

JIN YIFENG

CN6 patents

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

ZHEJIANG HUANGMA TECH CO LTD

4 patents

US12030989B2Jul 9, 2024

Supported catalyst used for synthesizing polyether amine, preparation method, and application

ZHEJIANG HUANGMA TECH CO LTD0 citations53

US12378451B2Aug 5, 2025

Low-viscosity silane-terminated resin for sealant and preparation method thereof

ZHEJIANG HUANGMA TECH CO LTD0 citations43

US12509550B2Dec 30, 2025

Preparation process of allyl alcohol polyether with low potassium and sodium content

ZHEJIANG HUANGMA TECH CO LTD0 citations41

US11845831B2Dec 19, 2023

High-molecular weight allyl alcohol polyoxyethylene polyoxypropylene ether and preparation method

ZHEJIANG HUANGMA TECH CO LTD0 citations38

UNIV ZHEJIANG

1 patent

US11319267B2May 3, 2022

Method for preparing 2-methylallyl chloride from 1,2-dichloroisobutane

UNIV ZHEJIANG0 citations53

HANGZHOU TUYA INFORMATION TECH CO LTD

1 patent

US11774079B1Oct 3, 2023

Light board structure and light fixture having the same

HANGZHOU TUYA INFORMATION TECH CO LTD0 citations41