Inventor

Sang-Chul Choi

Inventor

Daejeon, KR

Overview

4→

Patents

2006–2020

Patent span

Chemistry

Primary field (CPC C)

Patents· 4 as inventor

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

C07Dprimary

C07DHeterocyclic compounds29%

C07CAcyclic or carbocyclic compounds14%

C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium14%

H01LSemiconductor devices14%

H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h1014%

H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h1014%

PatentTitleYear

10,867,828Marking position correcting apparatus and method2020 7,795,463'Process for preparing diisopropyl((1-(hydroxymethyl)-cyclopropyl)oxy)methylphosphonate'2010 7,361,762'Process for preparing acid salts of Gemifloxacin'2008 6,987,199'Process for preparing beta-ketoester compound'2006

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2006–2010Patents assigned to LG LIFE SCIENCES LTD (3)· patent assignee history

2006–2010Based in Daejeon, KR· patent location history

2008Based in Taejeon, KR· patent location history

2020Patents assigned to EO TECHNICS CO LTD (1)· patent assignee history

2020Based in Seoul, KR· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
LG LIFE SCIENCES LTD	3	2006–2010
EO TECHNICS CO LTD	1	2020

Locations

Location	Patents	Span
Daejeon, KR	2	2006–2010
Seoul, KR	1	2020
Taejeon, KR	1	2008