Inventor

Pei-Ching Chang

Inventor

Hsinchu County, TW

Overview

7→

Patents

1983–2018

Patent span

Chemistry

Primary field (CPC C)

Patents· 7 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

C12Nprimary

C12NMicroorganisms or enzymes22%

C12PFermentation or enzyme-using processes to synthesise a desired chemical compound or composition or to separate optical isomers from a racemic mixture22%

D21CProduction of cellulose by removing non-cellulose substances from cellulose-containing materials17%

C12YEnzymes11%

C13KSaccharides obtained from natural sources or by hydrolysis of naturally occurring disaccharides, oligosaccharides or polysaccharides11%

C07DHeterocyclic compounds6%

C07KPeptides6%

Y02PClimate change mitigation technologies in the production or processing of goods6%

PatentTitleYear

9,970,016Genetic engineered bacteria and methods for promoting production of succinic acid or lactic acid2018 9,328,362'Recombinant enzyme systems for efficient production of itaconate in cells'2016 8,338,158'Cis-aconitate decarboxylase mutants having improved enzymatic activity'2012 8,143,036'Genetically modified microorganisms for producing itaconic acid with high yields'2012 4,594,130'Pulping of lignocellulose with aqueous alcohol and alkaline earth metal salt catalyst'1986 4,470,851'High efficiency organosolv saccharification process'1984 4,409,032'Organosolv delignification and saccharification process for lignocellulosic plant materials'1983

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1983–1986Based in Burnaby, CA· patent location history

1984–1986Patents assigned to CHANG PEI CHING (2)· patent assignee history

1984–1986Patents assigned to PASZNER LASZLO (2)· patent assignee history

2012–2018Patents assigned to IND TECH RES INST (4)· patent assignee history

2012Patents assigned to CHANG PEI-CHING (2)· patent assignee history

2012Patents assigned to HSIEH HSIN-JU (1)· patent assignee history

2012–2018Based in Hsinchu County, TW· patent location history

2012Based in Jhubei City, TW· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
IND TECH RES INST	4	2012–2018
CHANG PEI CHINGself	2	1984–1986
CHANG PEI-CHINGself	2	2012
PASZNER LASZLO	2	1984–1986
HSIEH HSIN-JU	1	2012

Locations

Location	Patents	Span
Hsinchu County, TW	3	2012–2018
Burnaby, CA	3	1983–1986
Jhubei City, TW	1	2012