Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5612768 | Image forming apparatus with an air ventilation structure for preventing contamination of charging device | Dong Joon Kim | 1997-03-18 |
SK
Seong-Woo Kim
Overall (1997): #79,867 of 185,788Top 45%
1
Patents 1997