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Inventor

Sang-Hee Cho

Inventor
Ansan-si, KR

Overview

13→
Patents
1998–2020
Patent span
Chemistry
Primary field (CPC C)

Patents· 13 as inventor

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

A61Lprimary
A61LMethods or apparatus for sterilising materials or objects in general14%
B01DSeparation11%
C07DHeterocyclic compounds11%
C09KMaterials for miscellaneous applications, not provided for elsewhere11%
F25DRefrigerators11%
H10KOrganic electric solid-state devices11%
H01LSemiconductor devices8%
H04NPictorial communication, e.g. television8%
F24FAir-conditioning5%
C04BLime, magnesia3%
PatentTitleYear
10,818,846Electron transport material and organic electroluminescent device comprising the same202010,749,119Plurality of host materials and organic electroluminescent device comprising the same202010,490,752Plurality of host materials and organic electroluminescent device comprising the same201910,426,864Storage apparatus having air purifying module201910,342,888Storage apparatus having air purifying module201910,143,769Storage apparatus having air purifying module20189,732,099'Organic electroluminescent compounds and organic electroluminescent devices comprising the same'20179,468,699'Air conditioner having air purifying module'20169,395,095'Air purifying apparatus having shuntable air duct'20167,068,915'Method and apparatus for controlling display time point of MPEG bit stream of recording medium'20066,408,104'Method and apparatus for eliminating noise in a video signal encoder'20026,333,952'Decoder for digital TV receiver'20015,795,537'Method of producing composite oxide ceramics'1998

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1998Patents assigned to NARA MACHINERY CO LTD (1)· patent assignee history
1998Based in Taegu, JP· patent location history
2001–2002Patents assigned to LG ELECTRONICS INC (2)· patent assignee history
2001–2006Based in Seoul, KR· patent location history
2006Patents assigned to LC ELECTRONICS INC (1)· patent assignee history
2016–2019Patents assigned to SEOUL VIOSYS CO LTD (5)· patent assignee history
2016–2019Based in Ansan-si, KR· patent location history
2017–2020Patents assigned to ROHM & HAAS ELECT MATERIALS KOREA LTD (4)· patent assignee history
2017–2020Based in Suwon-si, KR· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SEOUL VIOSYS CO LTD52016–2019
ROHM & HAAS ELECT MATERIALS KOREA LTD42017–2020
LG ELECTRONICS INC22001–2002
LC ELECTRONICS INC12006
NARA MACHINERY CO LTD11998
Locations
LocationPatentsSpan
Ansan-si, KR52016–2019
Suwon-si, KR42017–2020
Seoul, KR32001–2006
Taegu, JP11998