Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11390766 | Resin composition for inkjet printing and printed wiring board prepared by using same | Sung-Ho Choi, Dong Heun Shin | 2022-07-19 |
| 10544322 | Method of preparing ink jet resin composition | Sung-Ho Choi, Dong Heun Shin | 2020-01-28 |
| 7188037 | Method and apparatus for testing circuit boards | — | 2007-03-06 |
| 6856152 | Impedance measuring device for printed wiring board | — | 2005-02-15 |
| 6624650 | Impedance measuring device for printed wiring board | — | 2003-09-23 |