Issued Patents All Time
Showing 1–25 of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12266833 | Membrane-electrode assembly and method for manufacturing the same | Han Hyung Lee, Soon Ho Jung, Seung Ah Yu, Min Jin Kim, Sun-il Kim | 2025-04-01 |
| 11990940 | Subminiature optical transmission module and method for manufacturing same by using semiconductor packaging scheme | Seong Wook Choi | 2024-05-21 |
| 11881692 | Intermediate connection structure of power cable | Seung Woo CHO, Chae Hong Kang, Si Ho Son, Su Bong Lee, Wook Jin Lee +1 more | 2024-01-23 |
| 11855323 | Heat treatment apparatus and method of membrane electrode assemblies | Min Jin Kim, Sam Hee Yu, Woo Jin Lee, Ki Sub Lee | 2023-12-26 |
| 11688872 | Electrode gas diffusion layer assembly with controlled binder content and fuel cell stack including the same | Woo Jin Lee, Jong Jin Yoon, In Woo Jang | 2023-06-27 |
| 11652221 | Separator assembly for air cooled fuel cell and fuel cell stack including the same | Byung Gun Song, Byeong-Heon Jeong | 2023-05-16 |
| 11594349 | Power cable joint system | Byung Ha Chae, Chae Hong Kang, Si Ho Son, Seung Myung Choi, Myeong Seok Kang +2 more | 2023-02-28 |
| 11569520 | Heat treatment apparatus and method of membrane electrode assemblies | Min Jin Kim, Sam Hee Yu, Woo Jin Lee, Ki Sub Lee | 2023-01-31 |
| 11552318 | Method of manufacturing electricity-generating assembly | Min Jin Kim, Yu Seok Kim, Han Hyung Lee, Seung Ah Yu, Byung Gun Song +3 more | 2023-01-10 |
| 11383291 | Hollow drive shaft using upsetting method and manufacturing method therefor | Sung-ha Kim, Eui Hyouk HWANG | 2022-07-12 |
| 10629503 | Semiconductor device containing integrated circuit communicating with external apparatus via two terminals | Jin-Hong Ahn | 2020-04-21 |
| 10295519 | Water quality sensor using positive feedback | Seong Wook Choi, Sang-Woo Lee | 2019-05-21 |
| 10269665 | Semiconductor device for sensor application using contacts located on top surface and bottom surface and method for fabricating thereof | Jin-Hong Ahn | 2019-04-23 |
| 9816858 | Sensing system using positive feedback including an amplifier and a voltage clamping device | Seong Wook Choi, Young Jun HWANG | 2017-11-14 |
| 9661500 | Method and its apparatus for blocking access of unauthorized device | — | 2017-05-23 |
| 9034265 | Biomolecular sensor with plural metal plates and manufacturing method thereof | Yong Hyup Kim, Jung-Woo Ko, Tae June Kang, Seok-hyang Kim, Jae-heung Lim | 2015-05-19 |
| 8917079 | Reference potential adjustment device and a measuring device equipped with the same | Jin-Hong Ahn | 2014-12-23 |
| 8895425 | Method of forming channel layer of electric device and method of manufacturing electric device using the same | Seok-ha Lee, Jun Chun, Yeonkyu Choi | 2014-11-25 |
| 8891275 | Stacked dynamic random access memory | Jin-Hong Ahn | 2014-11-18 |
| 8166787 | System for manufacturing linear gear and the method thereof | Hee-Won Jung, Gil-Yong Yeom, Dong Sam Kim, Jung Su Lee | 2012-05-01 |
| 8115244 | Transistor of volatile memory device with gate dielectric structure capable of trapping charges | Sang Don Lee, Yil-Wook Kim, Jin-Hong Ahn | 2012-02-14 |
| 8072226 | Nanostructure sensors | Jun Ho CHEON, Sung-Min Seo | 2011-12-06 |
| 7988750 | Method for recovering methane gas from natural gas hydrate | Huen Lee, Do-Youn Kim | 2011-08-02 |
| 7899790 | Backing up of heterogeneous terminal user information in (internet protocol) IP terminal | Yong Sung Lee | 2011-03-01 |
| 7292089 | Charge pump circuit with no output voltage loss | Jong-Shin Shin | 2007-11-06 |