Inventor

Chang J. Yoo

Inventor
Gongju-si, KR

Overview

3→
Patents
1990–2013
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.

C08Gprimary
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds18%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients18%
C08LCompositions of macromolecular compounds18%
H01BCables18%
C09KMaterials for miscellaneous applications, not provided for elsewhere9%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h109%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h109%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1990Patents assigned to KOREA CHEMICAL CO LTD (2)· patent assignee history
1990Based in Soowon, KR· patent location history
1990Based in Suwon-si, KR· patent location history
2013Patents assigned to KIM DAE HYUN (1)· patent assignee history
2013Patents assigned to LIM JUNG HUN (1)· patent assignee history
2013Patents assigned to PARK SEONG HWAN (1)· patent assignee history
2013Patents assigned to TECHNO SEMICHEM CO LTD (1)· patent assignee history
2013Based in Gongju-si, KR· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
KOREA CHEMICAL CO LTD21990
KIM DAE HYUN12013
LIM JUNG HUN12013
PARK SEONG HWAN12013
TECHNO SEMICHEM CO LTD12013
Locations
LocationPatentsSpan
Gongju-si, KR12013
Soowon, KR11990
Suwon-si, KR11990