Issued Patents All Time
Showing 1–25 of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12381205 | Positive electrode active material for lithium secondary battery | Joo Hyeong WOO, Sung Kyun Chang, Sang Hoon Jeon, Sung Woo Cho, Ji Sun An | 2025-08-05 |
| 11889692 | Vertical memory devices | Ju-Young Lim, Su-Jin Ahn | 2024-01-30 |
| 11398375 | Mass spectrometry system and method | Ji Young Baek, Myoung Choul Choi, Sang Ju Lee, Boo Ki Min | 2022-07-26 |
| 11217318 | Non-volatile memory device and program method of a non-volatile memory device | Bong-Yong Lee, Dong Chan Kim, Su-Jin Ahn | 2022-01-04 |
| 10903486 | Positive active material for rechargeable lithium battery, method of preparing the same, and rechargeable lithium battery including the same | Su-An Choi, Sang Hoon Jeon, Su Youn Kwon, Jeong A GU, Bong Jun Jeong | 2021-01-26 |
| 10699868 | Device and method for generating organic molecular cluster ion beam | Myoung Choul Choi, Sang Ju Lee, Ji Young Baek, Jeong-Jin Kim | 2020-06-30 |
| 10439205 | Nickel-based composite oxide for lithium secondary battery, and lithium secondary battery including same | Su-An Choi, Ji Sun An, Su Youn Kwong, Hyun Chul Jung, Sung Woo Cho | 2019-10-08 |
| 10283204 | Methods of operating nonvolatile memory devices including erasing a sub-block | Dong Chan Kim, Ae-Jeong Lee, Moo Rym Choi | 2019-05-07 |
| 10242997 | Vertical memory devices | Ju-Young Lim, Su-Jin Ahn | 2019-03-26 |
| 9027357 | Method for determining if refrigerant charge is sufficient and charging refrigerant | Seung Yong Chang | 2015-05-12 |
| 8220280 | Air conditioning apparatus and method for determining the amount of refrigerant of air-conditioning apparatus | Seung Yong Chang, Chi-Woo Song, Sung Hwan Kim | 2012-07-17 |
| 8001802 | Air conditioner | Sai Kee Oh, Baik Young Chung | 2011-08-23 |
| 7600695 | Cogeneration system and method for controlling the same | Seung Tak Kang, Won Jae Choi, Hyung Soo Lim, Yoon Jei Hwang | 2009-10-13 |
| 7587894 | Exhaust structure for engine | Seung Tak Kang, Won Jae Choi, Hyung Soo Lim, Yoon Jei Hwang | 2009-09-15 |
| 7555913 | Method for controlling multiple compressors according to a matrix | Yoon Jei Hwang, Cheol-Min Kim, Yeong Seop Choe | 2009-07-07 |
| 7509817 | Cooling cycle apparatus and method of controlling linear expansion valve of the same | Yoon Jei Hwang, Cheol-Min Kim, Seung Tak Kang, Hyung Soo Lim | 2009-03-31 |
| 7481071 | Cooling/heating apparatus using cogeneration system | Seung Tak Kang, Won Jae Choi, Hyung Soo Lim, Yoon Jei Hwang | 2009-01-27 |
| 7466034 | Cogeneration system | Seung Tak Kang, Won Jae Choi, Hyung Soo Lim, Yoon Jei Hwang | 2008-12-16 |
| 7305840 | Electricity generating and air conditioning system with dehumidifier | Seung Tak Kang, Won Jae Choi, Hyung Soo Lim, Yoon Jei Hwang | 2007-12-11 |
| 7243504 | Cogeneration system | Seung Tak Kang, Won Jae Choi, Hyung Soo Lim, Yoon Jei Hwang | 2007-07-17 |
| 7240502 | Method for controlling operation of air-conditioner | Eun Jun Cho, Yoon Jei Hwang, Yun Ho Ryu, Cheol-Min Kim, Chan Ho Song +5 more | 2007-07-10 |
| 7240503 | Electricity generating and air conditioning system with dehumidifier | Seung Tak Kang, Won Jae Choi, Hyung Soo Lim, Yoon Jei Hwang | 2007-07-10 |
| 7170191 | Electricity generating and air conditioning system with water heater | Seung Tak Kang, Won Jae Choi, Hyung Soo Lim, Yoon Jei Hwang | 2007-01-30 |
| 7145258 | Electricity generating and air conditioning system | Seung Tak Kang, Won Jae Choi, Hyung Soo Lim, Yoon Jei Hwang | 2006-12-05 |
| 6874326 | Air conditioning system with two compressors and method for operating the same | Min Ho So, Won Hee Lee, Yoon Jei Hwang, Deok Huh, Cheol-Min Kim | 2005-04-05 |