Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7787351 | Bit recording process on ferroelectric medium using probe or small conductive structure and recording medium thereof | Seung-bum Hong, Yun Seok Kim, Sung-hoon Choa, Simon Buehlmann, Ji Yoon KIM | 2010-08-31 |
| 7599278 | Recording medium comprising ferroelectric layer, nonvolatile memory device comprising recording medium, and methods of writing and reading data for the memory device | Yun Seok Kim, Seung-bum Hong | 2009-10-06 |
| 6387573 | Phase shift mask using CrAION as phase shifter material and manufacturing method thereof | Jo Hyun PARK, Eun-Ah Kim | 2002-05-14 |
| 6296975 | Photo mask of semiconductor device and method for manufacturing the same | Seong-yong Moon, Yong Hoon Kim | 2001-10-02 |
| 5851706 | Phase shift masks including chromium oxide and alumina phase shifter patterns, and methods of manufacturing and using the same | Sung Chul Lim, Sang-Gyun Woo, Ho-young Kang | 1998-12-22 |