Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11780057 | Polishing pad and method for producing same | Joonsung Ryou, Jang Won SEO, Sunghoon YUN | 2023-10-10 |
| 11325159 | Classifying and purifying apparatus of solid blowing agents and methods of classifying and purifying solid blowing agents | Sunghoon YUN, Jung Nam LEE, Jang Won SEO | 2022-05-10 |
| 11267098 | Leakage-proof polishing pad and process for preparing the same | Sunghoon YUN, Jang Won SEO, Jaein Ahn, Jong Wook YUN, Hye Young HEO | 2022-03-08 |
| 10404451 | Apparatus and method for message communication | Jung Hoon Sohn, Seon Young Lee, Sang Ho Park, Hyo Jin Yoon | 2019-09-03 |
| 10372896 | Pattern input apparatus and method, and recording medium using the same | Sa Rang NA | 2019-08-06 |
| 9515825 | Method for password based authentication and apparatus executing the method | Hyo Jin Yoon | 2016-12-06 |
| 9219714 | ID-based encryption and signature method and terminal | Hyo Jin Yoon, Seon Young Lee, Soo Yeon Shin, Jung Hee Cheon | 2015-12-22 |
| 7970134 | Method for generating, operating, and using a sparse w-NAF key for encryption | Jeong Hyun Yi, Jung Hee Cheon, Tae-Chul Jung, Hong-tae Kim, Mun-Kyu Lee | 2011-06-28 |
| 6875096 | Chemical mechanical polishing pad having holes and or grooves | Inha Park, Jaeseok Kim | 2005-04-05 |
| 6794605 | Method for fabricating chemical mechanical polshing pad using laser | Inha Park, Jaeseok Kim, In-Ju Hwang | 2004-09-21 |
| 6729950 | Chemical mechanical polishing pad having wave shaped grooves | Inha Park, Jaeseok Kim, In-Ju Hwang | 2004-05-04 |
| 6377643 | Apparatus for detecting a synchronization signal in a digital data record/replay device | Doo Hee Lee | 2002-04-23 |