Issued Patents All Time
Showing 26–50 of 54 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7791935 | Method for driving a phase change memory device using various write conditions | Hee Bok Kang | 2010-09-07 |
| 7791934 | Method for driving multi-level data to a phase change memory device | Hee Bok Kang | 2010-09-07 |
| 7768823 | Phase change memory device and operating method thereof | Hee Bok Kang | 2010-08-03 |
| 7751233 | Method for efficiently driving a phase change memory device | Hee Bok Kang | 2010-07-06 |
| 7738288 | Phase change memory device having a plurality of reference currents and operating method thereof | Hee Bok Kang | 2010-06-15 |
| 7733725 | Method of driving 1-transistor type DRAM having an NMOS overlain on top of an SOI layer | Hee Bok Kang | 2010-06-08 |
| 7733718 | One-transistor type DRAM | Hee Bok Kang, Jin-Hong An | 2010-06-08 |
| 7724569 | 1-transistor type DRAM driving method with an improved write operation margin | Hee Bok Kang | 2010-05-25 |
| 7719905 | Semiconductor memory device | Hee Bok Kang | 2010-05-18 |
| 7701751 | One-transistor type DRAM | Hee Bok Kang | 2010-04-20 |
| 7688646 | Non-volatile latch circuit for restoring data after power interruption | Hee Bok Kang | 2010-03-30 |
| 7688622 | Phase change memory device with dummy cell array | Hee Bok Kang | 2010-03-30 |
| 7668031 | Semiconductor memory device with ferroelectric device | Hee Bok Kang, Jin-Hong An | 2010-02-23 |
| 7667219 | Reduced current phase-change memory device | Heon Yong Chang, Hae Chan PARK | 2010-02-23 |
| 7663910 | Phase change memory device | Hee Bok Kang, Jin-Hong An | 2010-02-16 |
| 7643336 | Phase change memory device | Hee Bok Kang, Jin-Hong An | 2010-01-05 |
| 7643326 | Semiconductor memory device with ferroelectric device | Hee Bok Kang | 2010-01-05 |
| 7630262 | One-transistor type dram | Hee Bok Kang, Jin-Hong An, Sung Joo Hong | 2009-12-08 |
| 7332370 | Method of manufacturing a phase change RAM device utilizing reduced phase change current | Heon Yong Chang, Hae Chan PARK | 2008-02-19 |
| 7332434 | Semiconductor device having diffusion barrier layer containing chrome and method for fabricating the same | — | 2008-02-19 |
| 7105885 | Semiconductor device having diffusion barrier layer containing chrome and method for fabricating the same | — | 2006-09-12 |
| 6927121 | Method for manufacturing ferroelectric random access memory capacitor | Sang-Hyun Oh, Young Ho Yang, Kye-Nam Lee | 2005-08-09 |
| 6919212 | Method for fabricating ferroelectric random access memory device with merged-top electrode-plateline capacitor | Sang-Hyun Oh, Kyu-Hyun Bang, In Woo Jang, Jin Yong Seong, Jin Gu Kim +3 more | 2005-07-19 |
| 6849468 | Method for manufacturing ferroelectric random access memory capacitor | In Woo Jang, Jin Yong Seong, Kye-Nam Lee | 2005-02-01 |
| 6645779 | FeRAM (ferroelectric random access memory) and method for forming the same | — | 2003-11-11 |