Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6872502 | Chemically amplified negative photoresist, and photoresist composition | Beom-Wook Lee, Seung-Joon Yoo | 2005-03-29 |
| 6699951 | Monomer and polymer for photoresist, photoresist composition, and phosphor layer composition for color cathode ray tube | Beom-Wook Lee, Seung-Joon Yoo | 2004-03-02 |
| 6410639 | Filming solution and method for forming a filming layer on a cathode ray tube | Young-Jong Kang, Seung-Joon Yoo, Eun-Ha Hoh | 2002-06-25 |
| 5885744 | Photoresist composition | Seung-Joon Yoo, Chang-Wook Kim, Ki-wook Kang | 1999-03-23 |