Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10574762 | Method and apparatus for communication connection service | Sahnghee Bahn, Changhwan Hwang | 2020-02-25 |
| 10084827 | Methods and apparatus for registering a device to server | Changhwan Hwang, Sahnghee Bahn | 2018-09-25 |
| 9998546 | Method and apparatus for communication connection service | Sahnghee Bahn, Changhwan Hwang | 2018-06-12 |
| 9773321 | Visual representations of distance cartograms | Cecilia Aragon, Min-Joon Yoo | 2017-09-26 |
| 9588865 | System and method for displaying usage history of applications executed between devices | Changhwan Hwang, Sahnghee Bahn | 2017-03-07 |
| 9341486 | Methods and systems for providing geotemporal graphs | Cecilia Aragon, Jong Chul Yoon | 2016-05-17 |
| 9241246 | Method and apparatus for communication connection service | Sahnghee Bahn, Changhwan Hwang | 2016-01-19 |
| 8994217 | Energy storage system | Sungchun Cho, Namsung Jung, Jungpil Park, Chungwook Roh, Sangkyoo Han | 2015-03-31 |
| 8942010 | Inverter of new and renewable energy storage system | Woogyoung Lee, Namsung Jung, Jungpil Park, Chungwook Roh, Sangkyoo Han | 2015-01-27 |
| 8928176 | Energy storage system | Jongho Park, Namsung Jung, Jungpil Park, Chungwook Roh, Sangkyoo Han | 2015-01-06 |