Inventor

Kuo-Ji Yen

Inventor
Taipei, TW

Overview

3→
Patents
2012–2013
Patent span
Chemistry
Primary field (CPC C)

Patents· 3 as inventor

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

C08Jprimary
C08JWorking-up25%
Y02WClimate change mitigation technologies related to wastewater treatment or waste management25%
C04BLime, magnesia17%
C08CTreatment or chemical modification of rubbers8%
C08LCompositions of macromolecular compounds8%
Y02PClimate change mitigation technologies in the production or processing of goods8%
Y10TTechnical subjects covered by former us classification8%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

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

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CHUN WELL INDUSTRY CO LTD32012–2013
CHANG JEN-RAY22012–2013
CHOU LIANG-HSIGN22012–2013
LEE MAW-TIEN22012–2013
YEN KUO-JIself22012–2013
Locations
LocationPatentsSpan
Taipei, TW32012–2013