Issued Patents All Time
Showing 1–25 of 48 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12408323 | Semiconductor memory device and method for manufacturing the same | Seongkeun Cho, Jin Hyung Park, Kun-Tack Lee, Jung Hyuk Jang, Chun Hyung Chung | 2025-09-02 |
| 12382687 | Semiconductor device including insulating layers and method of manufacturing the same | Dong-kak Lee, Min Woo KIM, Bong-Hyun Kim, Seo Jin Ahn, Won-Yong Lee | 2025-08-05 |
| 12347873 | Catalyst for fuel cell, fuel cell comprising the same and preparation method of the catalyst for fuel cell | Sung Jong YOO, Myeong-Geun Kim, Bora SEO, So-Young Lee, Hyun Seo PARK +3 more | 2025-07-01 |
| 12344943 | Catalyst for electrochemical synthesis of ammonia, method for preparing same, and method for regenerating same | Hyun Seo PARK, Sung Jong YOO, Jong Hyun JANG, Bora SEO, Jin Young Kim +6 more | 2025-07-01 |
| 12227858 | Polybenzimidazole-based electrolyte membrane for alkaline water electrolysis and water electrolysis device comprising the same | Hyoung-Juhn Kim, Taekyung LEE, So-Young Lee, Bora SEO, Hyun Seo PARK +2 more | 2025-02-18 |
| 11936052 | Fluorine-doped tin oxide support and Pt catalyst for fuel cell comprising the same | Jin Young Kim, Jong Min Kim, So-Young Lee, Hyun Seo PARK, Sung Jong YOO +4 more | 2024-03-19 |
| 11799093 | Catalyst electrode for fuel cell, manufacturing method thereof and a fuel cell comprising the catalyst electrode for fuel cell | Jong Hyun JANG, Hyun Seo PARK, Katie Heeyum Lim, Oh Sub Kim, Hyoung-Juhn Kim +4 more | 2023-10-24 |
| 11799089 | Electrode for polymer electrolyte membrane fuel cell comprising antioxidant and membrane-electrode assembly comprising same | So-Young Lee, Seung Ju Lee, Jin-hyeon Choi, Jeawoo Jung, Hyoung-Juhn Kim +4 more | 2023-10-24 |
| 11695147 | Antioxidant for electrolyte membrane of fuel cell and method for preparing the same | So-Young Lee, Seung Ju Lee, Hyun Seo PARK, Jin Young Kim, Sung Jong YOO +2 more | 2023-07-04 |
| 11670791 | Polyarylene ether-based polymer containing aliphatic chain, electrolyte membrane including the same, and membrane-electrode assembly including the electrolyte membrane | Hyoung-Juhn Kim, Jieun Choi, So-Young Lee, Sung Jong YOO, Hyun Seo PARK +3 more | 2023-06-06 |
| 11649551 | Asymmetric electrolyte membrane, membrane electrode assembly comprising the same, water electrolysis apparatus comprising the same and method for manufacturing the same | So-Young Lee, Hyoung-Juhn Kim, Sae Yane BAEK, Taekyung LEE, Sung Jong YOO +3 more | 2023-05-16 |
| 11620648 | Payment method and system through generation of one-time payment-only number of real card linked with application | — | 2023-04-04 |
| 11608276 | Palladium hydride having hcp crystal structure and preparation method thereof | Dong-Won Chun, Sung Jong YOO, Jaeyoung Hong, Young Su Lee, Jin-Yoo SUH +2 more | 2023-03-21 |
| 11605714 | Semiconductor device including insulating layers and method of manufacturing the same | Dong-kak Lee, Min Woo KIM, Bong-Hyun Kim, Seo Jin Ahn, Won-Yong Lee | 2023-03-14 |
| 11605073 | Payment method using one-time payment security code based on color pixel code | — | 2023-03-14 |
| 11522200 | Method for manufacturing catalyst for fuel cell using blood of slaughtered livestock | Sung Jong YOO, So-Young Lee, Hyun Seo PARK, Jin Young Kim, Jong Hyun JANG +4 more | 2022-12-06 |
| 11468429 | Payment method and system through generation of one-time payment-only number of real card linked with application | — | 2022-10-11 |
| 11430996 | Method of manufacturing metal single-atom catalysts | Sung Jong YOO, Injoon Jang, So-Young Lee, Hyun Seo PARK, Jin Young Kim +2 more | 2022-08-30 |
| 11342565 | Fuel cell catalyst and manufacturing method thereof | Jong Hyun JANG, Hyean Yeol Park, Jea-woo Jung, Katie Heeyum Lim, Hyoung-Juhn Kim +5 more | 2022-05-24 |
| 11289711 | Catalyst electrode for fuel cell, manufacturing method thereof and a fuel cell comprising the catalyst electrode for fuel cell | Jong Hyun JANG, Hyun Seo PARK, Katie Heeyum Lim, Oh Sub Kim, Hyoung-Juhn Kim +4 more | 2022-03-29 |
| 11214497 | Perovskite compound, method for producing the perovskite compound, catalyst for fuel cell including the perovskite compound and method for producing the catalyst | Sung Jong YOO, Sehyun Lee, So-Young Lee, Hyun Seo PARK, Jin Young Kim +5 more | 2022-01-04 |
| 11173481 | Metal single-atom catalyst and method for preparing the same | Sung Jong YOO, Injoon Jang, So-Young Lee, Hyun Seo PARK, Jin Young Kim +2 more | 2021-11-16 |
| 11127967 | High temperature-type unitized regenerative fuel cell using water vapor and method of operating the same | Hyun Seo PARK, Ahyoun LIM, Ju Sung LEE, So-Young Lee, Jin Young Kim +4 more | 2021-09-21 |
| 11090634 | Method for preparing a carbon-supported, platinum-transition metal alloy nanoparticle fuel cell catalyst | Sung Jong YOO, Sehyun Lee, Jong Hyun JANG, Jin Young Kim, Hyoung-Juhn Kim +1 more | 2021-08-17 |
| 11056693 | Aryne-grafted carbon-supported electrocatalyst and process of preparing the same | Jong Hyun JANG, Hyoung-Juhn Kim, Dirk Henkensmeier, Sung Jong YOO, Jin Young Kim +2 more | 2021-07-06 |