Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7874650 | Piezo-electric type page width inkjet printhead and image forming apparatus having the same | Seok-soon Baek, Seong Jin Kim | 2011-01-25 |
| 7866781 | Method and apparatus to check piezoelectric inkjet head | Woo-Sik Kim, Kye-si Kwon, Seong Jin Kim, Byung Hun Kim, Sang-Il Kim | 2011-01-11 |