Inventor
Doh Hoon Kim
Inventor
Seoul, KR
Overview
Patents· 6 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G03Fprimary
G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices20%
G02BOptical elements, systems or apparatus15%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h1015%
B23KSoldering or unsoldering10%
C23CCoating metallic material10%
H01LSemiconductor devices10%
H10KOrganic electric solid-state devices10%
H10DInorganic electric semiconductor devices5%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests5%
PatentTitleYear
10,680,177Method of manufacturing shadow mask using hybrid processing and shadow mask manufactured thereby202010,428,415Method of manufacturing shadow mask using hybrid processing and shadow mask manufactured thereby20196,635,404'Structure and process method of gamma gate for HEMT'20036,542,317'Optical system for crystallization tool'20036,101,047'Catadioptric optical system for lithography'20006,057,970'Apparatus for enhancing depth of focus using birefringent material'2000Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2000–2003Patents assigned to KOREA ELECTRONICS TELECOMM (4)· patent assignee history
2000Based in Daejeon, KR· patent location history
2003Based in Taejon, KR· patent location history
2019–2020Patents assigned to AP SYSTEMS INC (2)· patent assignee history
2019–2020Based in Seoul, KR· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| KOREA ELECTRONICS TELECOMM | 4 | 2000–2003 |
| AP SYSTEMS INC | 2 | 2019–2020 |
Locations
| Location | Patents | Span |
|---|---|---|
| Seoul, KR | 2 | 2019–2020 |
| Taejon, KR | 2 | 2003 |
| Daejeon, KR | 2 | 2000 |