Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12375090 | Ultra-fast frequency support for power electronic converters | Donghai Zhu, Yini Zhou, Jiabing Hu, Xudong Zou | 2025-07-29 |
| 11825429 | Distributed antenna system and method of operation thereof | Dong Hee Kwon, Hoo Pyo Hong, Dae-Young Kim, Young Man Cho | 2023-11-21 |
| 11788714 | Light emitting module replacement type light emitting device | Kyung Yong Kim | 2023-10-17 |
| 11202268 | Distributed antenna system and method of operation thereof | Dong Hee Kwon, Hoo Pyo Hong, Dae-Young Kim, Young Man Cho | 2021-12-14 |
| 10078161 | Optical film and digital pen system using the same | — | 2018-09-18 |
| 9134822 | Dot pattern recognizing device and content executing device | Young Soo Jung, Young Ho Choi | 2015-09-15 |
| 8923798 | Apparatus and method of processing rescue request signal | Sang Jun Kim, Pil-Kyu Jin | 2014-12-30 |
| 8817571 | Semiconductor memory device and semiconductor memory system | Jang-Seok Choi | 2014-08-26 |
| 8773892 | Method and apparatus managing worn cells in resistive memories | — | 2014-07-08 |
| 8705302 | Semiconductor memory devices having self-refresh capability | Joo-Young Hwang, Jae Young Choi, Young-Joon Choi | 2014-04-22 |
| 8634225 | Method and apparatus managing worn cells in resistive memories | — | 2014-01-21 |
| 8259490 | Multi-level phase-change memory device and method of operating same | Dong-Yang Lee | 2012-09-04 |
| 8111576 | High-voltage sawtooth current driving circuit and memory device including same | — | 2012-02-07 |
| 8018777 | Flash memory device for adjusting non-selected word line voltage during reading | — | 2011-09-13 |
| 7956670 | Temperature sensing device and electric device including the same | — | 2011-06-07 |
| 7750613 | Regulator and method for regulating | — | 2010-07-06 |
| 7489566 | High voltage generator and related flash memory device | — | 2009-02-10 |
| 7200391 | Capacity enhancement schemes for forward and reverse links of distributed cellular base stations | Sae-Young Chung, M. Vedat Eyuboglu, Dae-Young Kim, Jin Hwa Ku, Seung Hee Lee +1 more | 2007-04-03 |
| 6701042 | Arrayed waveguide grating module and device and method for monitoring optical signal using the same | Jeong-mee Kim | 2004-03-02 |
| 6567198 | Wavelength stabilizer in WDM optical transmission system | — | 2003-05-20 |
| 6347169 | Apparatus and method for monitoring optical signal | Byung-Jik Kim | 2002-02-12 |
| 6268943 | Optical SNR measurer in WDM optical transmitting device | — | 2001-07-31 |