Issued Patents 2022
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11462276 | Semiconductor memory device and operating method thereof | Hee Youl Lee | 2022-10-04 |
| 11408693 | System for automatically cleaning boiler pipes | — | 2022-08-09 |
| 11348647 | Memory device and method of operating the same | — | 2022-05-31 |
| 11333400 | Hot water storage-type boiler having both heat amount proportional control function and backflow prevention function | — | 2022-05-17 |
| 11320548 | Apparatus and method for detecting earthquake using accelerometer | Sung-An Ha | 2022-05-03 |