Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11692259 | High-strength hot-dip zinc plated steel material having excellent plating properties and method for preparing same | Il-Ryoung Sohn, Dae-Young Kang, Jong-Sang Kim, Tae-Chul Kim | 2023-07-04 |
| 11306381 | High-strength hot-dip zinc plated steel material having excellent plating properties and method for preparing same | Il-Ryoung Sohn, Dae-Young Kang, Jong-Sang Kim, Tae-Chul Kim | 2022-04-19 |
| 11248287 | Zinc alloy plated steel material having excellent weldability and processed-part corrosion resistance | Sang-Heon Kim, Tae-Chul Kim, Jong-Sang Kim, Hyun-Chu Yun, Bong-Hwan Yoo +1 more | 2022-02-15 |
| 10907243 | Plated steel material having excellent friction resistance and white rust resistance and method for preparing same | Jong-Sang Kim, Il-Ryoung Sohn, Tae-Chul Kim | 2021-02-02 |
| 10584407 | Zinc alloy plated steel material having excellent weldability and processed-part corrosion resistance and method of manufacturing same | Sang-Heon Kim, Tae-Chul Kim, Jong-Sang Kim, Hyun-Chu Yun, Bong-Hwan Yoo +1 more | 2020-03-10 |
| 10544497 | Zn alloy plated steel sheet having excellent phosphatability and spot weldability and method for manufacturing same | Sang-Heon Kim, Tae-Chul Kim, Jong-Sang Kim, Bong-Hwan Yoo, Hyun-Chu Yun | 2020-01-28 |
| 9998034 | Energy conversion device using liquid | Soon Hyung Kwon, Young-Hoon Kim, Ji Wan Kim, Byung Wook Yoo, Youn Sang Kim +1 more | 2018-06-12 |
| 9954463 | Energy conversion device using change of contact surface with liquid | Soon Hyung Kwon, Young-Hoon Kim, Ji Wan Kim, Byung Wook Yoo, Youn Sang Kim +1 more | 2018-04-24 |
| 9881791 | Method for producing an oxide film using a low temperature process, an oxide film and an electronic device thereof | Yong Hoon Kim, Sung-Kyu Park, Ji Wan Kim | 2018-01-30 |
| 9745654 | Hot dip zinc alloy plated steel sheet having excellent corrosion resistance and external surface and method for manufacturing same | Young-Sool Jin, Sang-Heon Kim, Su Young Kim, Bong-Hwan Yoo | 2017-08-29 |
| 9302449 | High corrosion resistant hot dip Zn alloy plated steel sheet | Sang-Heon Kim, Young-Sool Jin, Su Young Kim, Bong-Hwan Yoo | 2016-04-05 |
| 7842539 | Zinc oxide semiconductor and method of manufacturing the same | Seong Ju Park, Dae Kyu Hwang, Min Ki Kwon | 2010-11-30 |
| 7755098 | Zinc oxide light emitting diode | Seong Ju Park, Dae-Kue Hwang, Min Ki Kwon, Yong-Seok Choi | 2010-07-13 |
| 7626745 | Diffractive thin-film piezoelectric micromirror and method of producing the same | Sang Kyeong Yun, Jong-Hyeong Song, Seung-Do An | 2009-12-01 |
| 7443076 | Diffractive thin-film piezoelectric light modulator and method of fabricating the same | Yun-Jin Ko, Jong Sam Kim | 2008-10-28 |
| 7289258 | Light modulator having variable blaze diffraction grating | Yoon Shik Hong, Seung Hee Suh, Ohk Kun Lim, Seung Heon Han | 2007-10-30 |