Inventor
Hee-Choon Ahn
Inventor
Seoul, KR
Overview
Patents· 6 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C09Kprimary
C09KMaterials for miscellaneous applications, not provided for elsewhere23%
H01LSemiconductor devices23%
H10KOrganic electric solid-state devices23%
C07DHeterocyclic compounds19%
C07CAcyclic or carbocyclic compounds4%
C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium4%
H05BElectric heating4%
PatentTitleYear
10,633,583Organic electroluminescent compounds and an organic electroluminescent device comprising the same202010,529,933Organic electroluminescent compounds and organic electroluminescent device comprising the same202010,319,918Organic electroluminescent compound and organic electroluminescent device comprising the same201910,069,086Plurality of host materials and an organic electroluminescence device comprising the same20189,768,394'Organic electroluminescent compound and organic electroluminescent device comprising the same'20179,287,512'Organic electroluminescent compounds, layers and organic electroluminescent device using the same'2016Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2016Patents assigned to ROHM & HAAS ELECT MAT (1)· patent assignee history
2016Based in Gyeonggi-do, KR· patent location history
2017–2020Patents assigned to ROHM & HAAS ELECT MATERIALS KOREA LTD (5)· patent assignee history
2017–2020Based in Seoul, KR· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| ROHM & HAAS ELECT MATERIALS KOREA LTD | 5 | 2017–2020 |
| ROHM & HAAS ELECT MAT | 1 | 2016 |
Locations
| Location | Patents | Span |
|---|---|---|
| Seoul, KR | 5 | 2017–2020 |
| Gyeonggi-do, KR | 1 | 2016 |