| 12514098 |
Light emitting display device |
Min Kyu Chun |
2025-12-30 |
|
| 12514078 |
Light emitting display device and method of repairing the same |
— |
2025-12-30 |
|
| 12456725 |
Anode for lithium secondary battery and lithium secondary battery including the same |
Hwan-Gee Jang, Moon-Seok Kim, Hyungiun Kim, Sang Baek RYU, Seung Hyun YOOK +5 more |
2025-10-28 |
|
| 12370517 |
Catalyst loading method and method for preparation of butadiene by using same |
Ye Seul Hwang, Daeheung Choi, Myungji Suh, Sunhwan Hwang, Dong Hyun Ko +1 more |
2025-07-29 |
|
| 11918988 |
Method for producing catalyst for oxidative dehydrogenation reaction, catalyst for oxidative dehydrogenation reaction, and method for producing butadiene using same |
Sunhwan Hwang, San Jin Han, Dong Hyun Ko, Kyoung Yong Cha |
2024-03-05 |
|
| 11731093 |
Catalyst loading method and method for preparation of butadiene by using same |
Ye Seul Hwang, Daeheung Choi, Myungji Suh, Sunhwan Hwang, Dong Hyun Ko +1 more |
2023-08-22 |
|
| 11660584 |
Catalyst for oxidative dehydrogenation, method of preparing catalyst, and method of performing oxidative dehydrogenation using catalyst |
Myung Ji Suh, Dong Hyun Ko, Kyong Yong Cha, Dae Heung Choi, Ye Seul Hwang +1 more |
2023-05-30 |
|
| 11519264 |
Method for obtaining gravity coefficients for orthogonally oriented accelerometer devices during measurement-while-drilling operations |
Sheng Zhan |
2022-12-06 |
|
| 11465138 |
Method for producing metal complex catalyst, and metal complex catalyst produced by same |
Sunhwan Hwang, Kyong Yong Cha, Dong Hyun Ko, Ye Seul Hwang, Sang Jin Han +1 more |
2022-10-11 |
|
| 11370730 |
Method for preparing 1,3-butadiene |
Hyunseok Nam, Jun Han Kang, Kyong Yong Cha, Jaewon Jeong, Dong Hyun Ko +8 more |
2022-06-28 |
|
| 11372128 |
Method and system for detecting downhole magnetic interference on measurement while drilling operations |
Sheng Zhan, Fengtao Hu, Jinhai Zhao |
2022-06-28 |
$5,025,000 |
| 11247195 |
Method of preparing catalyst for oxidative dehydrogenation and method of performing oxidative dehydrogenation using catalyst |
Sang Jin Han, Dong Hyun Ko, Kyong Yong Cha, Sun-Hwan Hwang |
2022-02-15 |
|
| 11225863 |
Method for controlling a drilling system |
Sheng Zhan, Fengtao Hu, Jinhai Zhao |
2022-01-18 |
$1,884,000 |
| 11225864 |
Method for controlling MWD tool in bottom hole assembly |
Sheng Zhan, Fengtao Hu, Jinhai Zhao |
2022-01-18 |
$1,884,000 |
| 11187076 |
Central storage unit for a measuring-while-drilling assembly for an oil drilling system |
Sheng Zhan, Fengtao Hu, Jinhai Zhao |
2021-11-30 |
$2,502,000 |
| 11180965 |
Autonomous through-tubular downhole shuttle |
Jinhai Zhao, Sheng Zhan |
2021-11-23 |
$2,452,000 |
| 11117119 |
Catalyst for oxidative dehydrogenation and method of preparing the same |
Myung Ji Suh, Yoon Jae Min, Dong Hyun Ko, Kyong Yong Cha, Se Won Baek |
2021-09-14 |
|
| 11112777 |
Independent high-speed sampling for an oil drilling system |
Sheng Zhan, Fengtao Hu, Jinhai Zhao |
2021-09-07 |
$2,770,000 |
| 11047680 |
Multi-node data synchronous acquisition system and method for real-time monitoring of underwater surface deformation |
Jiawang Chen, Huangchao Zhu, Chunying Xu, Chen Cao, Zhou Yu +1 more |
2021-06-29 |
|
| 11040335 |
Method for manufacturing zinc ferrite catalyst and zinc ferrite catalyst manufactured thereby |
Dong Hyun Ko, Kyong Yong Cha, Sang Jin Han, Sunhwan Hwang, Seongmin Kim |
2021-06-22 |
|
| 10994262 |
Catalyst for oxidative dehydrogenation and method of preparing the same |
Seongmin Kim, Dong Hyun Ko, Kyong Yong Cha, Dae Heung Choi, Myung Ji Suh +6 more |
2021-05-04 |
|
| 10926246 |
Method of preparing catalyst for oxidative dehydrogenation |
Dong Hyun Ko, Kyong Yong Cha, Myung Ji Suh, Sun-Hwan Hwang, Seong-Min Kim |
2021-02-23 |
|
| 10888844 |
Catalyst for oxidative dehydrogenation, method of preparing catalyst, and method of performing oxidative dehydrogenation using catalyst |
Myung Ji Suh, Dong Hyun Ko, Kyong Yong Cha, Dae Heung Choi, Ye Seul Hwang +1 more |
2021-01-12 |
|
| 10843173 |
Ferrite catalyst for oxidative dehydrogenation, method of preparing ferrite catalyst, and method of preparing butadiene using ferrite catalyst |
Sun-Hwan Hwang, Dong Hyun Ko, Jun Han Kang, Kyong Yong Cha, Joo Hyuck Lee +6 more |
2020-11-24 |
|
| 10738598 |
System and method for transmitting signals downhole |
Sheng Zhan, Fengtao Hu, Jinhai Zhao |
2020-08-11 |
$1,618,000 |
