Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12103114 | Lead-free solder alloy composition suitable for use in high-temperature and vibration environments and preparation method thereof | Heung Rak Sohn, Song Hee Yim, Jun Tae Kim | 2024-10-01 |
| 10286498 | Lead-free solder alloy composition and method for preparing lead-free solder alloy | Ashutosh Sharma, Jae Pil Jung, Jong Hyun Yoon, Heung Rak Sohn, Song Hee Yim +1 more | 2019-05-14 |
| 9770848 | Low density inorganic powder insulator using expanded perlite, method for manufacturing same and mold machine for manufacturing same | Dae Woo Nam | 2017-09-26 |
| 9011708 | Thermal insulator using closed cell expanded perlite | Sang-Yun Lee | 2015-04-21 |