Inventor
CHANG IK LEE
Inventor
KR
Overview
Patents· 1 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B23Kprimary
B23KSoldering or unsoldering33%
C23GCleaning or de-greasing of metallic material by chemical methods other than electrolysis33%
H05HPlasma technique33%
PatentTitleYear
12,226,845Apparatus and method for cleaning oxide film2025Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2025Patents assigned to DOOSAN ENERBILITY CO LTD (1)· patent assignee history
2025Patents assigned to NAT UNIV PUKYONG IND UNIV COOP FOUND (1)· patent assignee history
2025Based in KR· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| DOOSAN ENERBILITY CO LTD | 1 | 2025 |
| NAT UNIV PUKYONG IND UNIV COOP FOUND | 1 | 2025 |
Locations
| Location | Patents | Span |
|---|---|---|
| KR | 1 | 2025 |