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Inventor

Hyosan Lee

Inventor
Hwaseong-si, KR

Overview

2→
Patents
1995–2021
Patent span
Electricity
Primary field (CPC H)

Patents· 2 as inventor

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

B81Cprimary
B81CProcesses or apparatus specially adapted for the manufacture or treatment of microstructural devices or systems13%
C09KMaterials for miscellaneous applications, not provided for elsewhere13%
C23FNon-mechanical removal of metallic material from surface13%
G11BInformation storage based on relative movement between record carrier and transducer13%
H01LSemiconductor devices13%
H04NPictorial communication, e.g. television13%
H10BElectronic memory devices13%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h1013%
PatentTitleYear
11,028,488Etching composition, a method of etching a metal barrier layer and a metal layer using the same, and method of manufacturing semiconductor device using the same20215,444,545'Picture search control apparatus in a digital video tape recorder'1995

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1995–2021Patents assigned to SAMSUNG ELECTRONICS CO LTD (2)· patent assignee history
1995Based in Kyungki, KR· patent location history
2021Patents assigned to SOULBRAIN CO LTD (1)· patent assignee history
2021Based in Hwaseong-si, KR· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SAMSUNG ELECTRONICS CO LTD21995–2021
SOULBRAIN CO LTD12021
Locations
LocationPatentsSpan
Hwaseong-si, KR12021
Kyungki, KR11995