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Inventor

Jen-Ray Chang

Inventor
Chiayi, TW

Overview

7→
Patents
1998–2014
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.

C07Cprimary
C07CAcyclic or carbocyclic compounds16%
C08JWorking-up16%
Y02WClimate change mitigation technologies related to wastewater treatment or waste management16%
C04BLime, magnesia11%
B01DSeparation5%
C08CTreatment or chemical modification of rubbers5%
C08LCompositions of macromolecular compounds5%
C11CFatty acids from fats, oils or waxes5%
Y02ATechnologies for adaptation to climate change5%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution5%
PatentTitleYear
8,624,073'Homogeneous catalysts for biodiesel production'20148,536,253'Method for producing rubberized concrete using waste rubber tires'20138,536,239'Method for producing improved rubberized concrete using waste rubber tires'20138,338,506'Method for producing improved rubberized concrete using waste rubber tires'20127,060,236'Process for removing volatile organic compounds'20066,399,812'Production of aliphatic esters'20025,770,761'Process for ethyl acetate production'1998

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1998–2014Based in Chiayi, TW· patent location history
2006–2014Patents assigned to CHANG JEN-RAY (4)· patent assignee history
2012–2013Patents assigned to CHUN WELL INDUSTRY CO LTD (3)· patent assignee history
2012–2014Patents assigned to LEE MAW-TIEN (3)· patent assignee history
2012–2013Patents assigned to CHOU LIANG-HSIGN (2)· patent assignee history
2012–2013Patents assigned to YEN KUO-JI (2)· patent assignee history
2012–2013Based in Jhudong Township, TW· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CHANG JEN-RAYself42006–2014
CHUN WELL INDUSTRY CO LTD32012–2013
LEE MAW-TIEN32012–2014
CHOU LIANG-HSIGN22012–2013
YEN KUO-JI22012–2013
Locations
LocationPatentsSpan
Chiayi, TW41998–2014
Jhudong Township, TW32012–2013