Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9704722 | Method of forming fine pattern and method of manufacturing integrated circuit device using the method | Jeong-Ju Park, Seung-chul Kwon, Eun-Sung Kim, Shi-Yong Yi, Hyun-Woo Kim | 2017-07-11 |
| 9627201 | Methods of forming holes using mask pattern structures | Eun-Sung Kim | 2017-04-18 |
| 8986554 | Method of forming patterns | Eun-Sung Kim, Kyoung-seon Kim, Chul-Ho Shin, Shi-young Yi | 2015-03-24 |
| 8946089 | Methods of forming contact holes | Eun-Sung Kim, Chul-Ho Shin, Shi-Yong Yi | 2015-02-03 |
| 8900468 | Methods of forming a pattern | Eun-Sung Kim, Chul-Ho Shin, Shi-Yong Yi | 2014-12-02 |
| 6466042 | Wafer type probe card with micro tips for testing integrated circuit chips | — | 2002-10-15 |
| 5876509 | Cleaning solution for cleaning semiconductor device and cleaning method using the same | — | 1999-03-02 |
| 5863344 | Cleaning solutions for semiconductor devices | — | 1999-01-26 |
| 5850148 | Vertical probe card apparatus with macro-tension module having notched-shaped needle for self-balancing contact | — | 1998-12-15 |