Inventor

Chang Hee Han

Inventor

Daejeon, KR

Overview

2002–2020

Patent span

Chemistry

Primary field (CPC C)

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

C21Dprimary

C21DModifying the physical structure of ferrous metals15%

F24FAir-conditioning15%

F25BRefrigeration machines, plants or systems15%

H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h1015%

C22CAlloys8%

C23CCoating metallic material8%

G21CNuclear reactors8%

H01LSemiconductor devices8%

H10DInorganic electric semiconductor devices8%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

2002Based in Chungcheongbuk-do, KR· patent location history

2005–2019Patents assigned to SAMSUNG ELECTRONICS CO LTD (2)· patent assignee history

2005Based in Chunju, KR· patent location history

2013–2017Patents assigned to KOREA ATOMIC ENERGY RES (2)· patent assignee history

2013Patents assigned to BAEK JONG-HYUK (1)· patent assignee history

2013Patents assigned to HAHN DO-HEE (1)· patent assignee history

2013–2017Based in Daejeon, KR· patent location history

2017Patents assigned to BAEK JONG HYUK (1)· patent assignee history

2019Based in Osan-si, KR· patent location history

2020Based in Pyeongtaek-si, KR· patent location history

Assignee and location history derived from the patent record.

Assignees

Locations