Inventor

XU KEJIA

CN9 patents

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

COFCO JILIN BIO CHEMICAL TECH CO LTD

4 patents

US11097248B1Aug 24, 2021

Polylactic acid devolatilization evaporator

COFCO JILIN BIO CHEMICAL TECH CO LTD2 citations69

US11130259B1Sep 28, 2021

Device and method for online preparation of modified polylactic acid material with polylactic acid melt

COFCO JILIN BIO CHEMICAL TECH CO LTD5 citations66

US11203663B2Dec 21, 2021

Method for separating PHA and PHA prepared therefrom

COFCO JILIN BIO CHEMICAL TECH CO LTD0 citations59

US11110427B1Sep 7, 2021

Polylactic acid polymerization reaction apparatus and system

COFCO JILIN BIO CHEMICAL TECH CO LTD1 citations59

NUTRITION & HEALTH RES INSTITUTE COFCO CORPORATION

1 patent

US11155483B1Oct 26, 2021

Method for efficiently producing PHA

NUTRITION & HEALTH RES INSTITUTE COFCO CORPORATION11 citations81

RES INST PETROLEUM PROCESSING

1 patent

US7153478B2Dec 26, 2006

Downflow catalytic cracking reactor and its application

RES INST PETROLEUM PROCESSING9 citations71

LONG JUN

1 patent

US8088335B2Jan 3, 2012

Catalytic conversion apparatus

LONG JUN2 citations60

MICROSOFT TECHNOLOGY LICENSING LLC

1 patent

US12278792B2Apr 15, 2025

Collaborative video messaging component

MICROSOFT TECHNOLOGY LICENSING LLC0 citations39

ZHANG ZHANZHU

1 patent

US10544372B2Jan 28, 2020

Distillation tower for improving yield of petroleum hydrocarbon distillate and feeding method thereof

ZHANG ZHANZHU0 citations28