Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12373824 | Method and system for payment for central bank digital currency | Hongsup So, Inseon Ryu, Hwang Wook Kim | 2025-07-29 |
| 11922404 | Method and system for payment for central bank digital currency | Hongsup So, Inseon Ryu, Hwang Wook Kim | 2024-03-05 |
| 11830669 | Casting coil for a motor assembly | Jiyong Lee | 2023-11-28 |
| 11396042 | Serial multi-cavity high pressure casting apparatus and high pressure casting method using the same | Ji Yong Lee, Dae Ho LEE, Seong-Jun Lim, Hyo-Moon Joo, Cheon-Hee Kim +2 more | 2022-07-26 |
| 11305337 | Method of forming casting with flow passage, and casting formed by the same | Ji Yong Lee, Young-Rae Jo, Jin-Ho Yoo | 2022-04-19 |
| 11241732 | Casting product with tubular flow passages, method of casting the same product, and cast-in pipe insert unit | Yoon-Ki Lee, Hyung-Sop Yoon, Jae Gi Sim, Jun Bak, Sang Muk Park +4 more | 2022-02-08 |
| 11219944 | Casting method for forming screw hole on inclined plane of casting, and casting integrated with insert having screw thread | Yoon-Ki Lee, Jin Yong Kim, Jae-Young An, Woo-Seok Jang | 2022-01-11 |
| 11154927 | Composite casting system and composite casting method for manufacturing heterogeneous material casting product, and heterogeneous material casting product manufactured by composite casting method | Hyo-Moon Joo, Ji Yong Lee, Mun-Gu Kang, Min Soo Kim, Yoon-Ki Lee | 2021-10-26 |
| 10682690 | Centrifugal casting apparatus for different materials | Hyo-Moon Joo, Ji Yong Lee, Yoon-Ki Lee, Young-chan Kim, Jun Min Lee +4 more | 2020-06-16 |
| 10486224 | Saltcore for die-casting with aluminum and manufacturing method therefor | Ji Yong Lee | 2019-11-26 |
| 10350673 | Hollow salt core and method of manufacturing the same | Ji Yong Lee | 2019-07-16 |
| 10184554 | Differential carrier case with inserted pipe for high pressure casting | Mun-Gu Kang, Kwang Min Yoon, Hyung-Sop Yoon, Jung-Hwan Jang, Kyui-Joo Park +4 more | 2019-01-22 |