Inventor

Kew-Ho Lee

Inventor
Daejeon, KR

Overview

14→
Patents
1987–2019
Patent span
Performing operations
Primary field (CPC B)

Patents· 14 as inventor

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

B01Dprimary
B01DSeparation28%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry8%
C01BNon-metallic elements8%
C02FTreatment of water, waste water, sewage, or sludge8%
Y10TTechnical subjects covered by former us classification8%
C04BLime, magnesia5%
C07CAcyclic or carbocyclic compounds5%
B22FWorking metallic powder3%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds3%
C23CCoating metallic material3%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1987Based in Cincinnati, OH, US· patent location history
1997–2010Patents assigned to KOREA RES INST CHEM TECH (10)· patent assignee history
1997–2019Based in Daejeon, KR· patent location history
2010Patents assigned to KOREA INST OF CHEMICAL TECHNOLOGY (1)· patent assignee history
2019Patents assigned to KOREA RES INST CHEMICAL TECH (2)· patent assignee history
2019Patents assigned to KOREA INST ENERGY RES (1)· patent assignee history
2019Patents assigned to KOREA INST MACH & MATERIALS (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
KOREA RES INST CHEM TECH101997–2010
KOREA RES INST CHEMICAL TECH22019
KOREA INST ENERGY RES12019
KOREA INST MACH & MATERIALS12019
KOREA INST OF CHEMICAL TECHNOLOGY12010
Locations
LocationPatentsSpan
Daejeon, KR131997–2019
Cincinnati, OH, US11987