Issued Patents All Time
Showing 26–49 of 49 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11491764 | Iron-aluminum-based plated steel sheet for hot press forming, having excellent hydrogen delayed fracture properties and spot welding properties, and manufacturing method therefor | Seong-Woo Kim, Sang-Heon Kim, Yeol-Rae Cho | 2022-11-08 |
| 11441205 | Cold-rolled steel plate for hot forming, having excellent corrosion-resistance and spot-weldability, hot-formed member, and method for manufacturing same | Yeol-Rae Cho, A-Ra CHO, Jin-Ho Cha, Si-Myoung Heo, Jeong-Won Seo +1 more | 2022-09-13 |
| 11338549 | Steel sheet for hot press formed member having excellent resistance to hydrogen delayed fracture and method for manufacturing thereof | Seong-Woo Kim, Yeol-Rae Cho | 2022-05-24 |
| 11274357 | Plated steel sheet for hot press forming having excellent impact property, hot press formed part, and manufacturing method thereof | Seong-Woo Kim, Yeol-Rae Cho | 2022-03-15 |
| 11198272 | Steel sheet for hot press formed member having excellent coating adhesion and manufacturing method for the same | Seong-Woo Kim, A-Ra CHO, Hyeon-Jeong SHIN | 2021-12-14 |
| 11167527 | Aluminum-based plated steel having excellent corrosion resistance, aluminum-based alloy plated steel using the same, and method of manufacturing thereof | Il-Ryoung Sohn, Seong-Woo Kim, Jeom-Soo Shin | 2021-11-09 |
| 11141953 | Steel sheet for hot press formed member having excellent painting adhesion and post-painting corrosion resistance | Seong-Woo Kim, Hyeon-Jeong SHIN, A-Ra CHO | 2021-10-12 |
| 10934601 | Plated steel sheet for hot press forming having excellent impact property, hot press formed part, and manufacturing method thereof | Seong-Woo Kim, Yeol-Rae Cho | 2021-03-02 |
| 10590522 | Aluminum-iron alloy-coated steel sheet for hot press forming, having excellent hydrogen delayed fracture resistance, peeling resistance, and weldability and hot-formed member using same | Yeol-Rae Cho, Il-Ryoung Sohn, Yong-Soo Kim | 2020-03-17 |
| 10533237 | Hot press forming parts having excellent bending properties and method for manufacturing the same | Yeol-Rae Cho, Seong-Woo Kim | 2020-01-14 |
| 10253388 | Steel sheet for hot press formed product having superior bendability and ultra-high strength, hot press formed product using same, and method for manufacturing same | Yeol-Rae Cho, Jae-Hoon Lee, Sim-Kun Min, Chang-Sig Choi | 2019-04-09 |
| 10151013 | Hot press forming parts having excellent bending properties and method for manufacturing the same | Yeol-Rae Cho, Seong-Woo Kim | 2018-12-11 |
| 9945020 | Zinc-plated steel sheet for hot pressing having outstanding surface characteristics, hot-pressed moulded parts obtained using the same, and a production method for the same | Il-Ryoung Sohn, Jong-Sang Kim, Joong-Chul Park, Yeol-Rae Cho, Han-Gu Cho +2 more | 2018-04-17 |
| 9255313 | Steel sheet for hot press forming having low-temperature heat treatment property, method of manufacturing the same, method of manufacturing parts using the same, and parts manufactured by the same | Yeol-Rae Cho, Sung Ho Park | 2016-02-09 |
| 9068255 | Zinc-plated steel sheet for hot pressing having outstanding surface characteristics, hot-pressed moulded parts obtained using the same, and a production method for the same | Il-Ryoung Sohn, Jong-Sang Kim, Joong-Chul Park, Yeol-Rae Cho, Han-Gu Cho +2 more | 2015-06-30 |
| 6477094 | Memory repair circuit using antifuse of MOS structure | Phil-Jung Kim, Jae-Kyung Wee, Chang-Hyuk Lee, Young-Ho Seol, Ho-Youb Cho | 2002-11-05 |
| 6456546 | Repair circuit using antifuse | Phil-Jung Kim, Jae-Kyung Wee, Chang-Hyuk Lee, Young-Ho Seol, Ho-Youb Cho | 2002-09-24 |
| 6389563 | Semiconductor memory test circuit and method for the same | Young-Hee Kim | 2002-05-14 |
| 6366118 | Antifuse repair circuit | Jae-Kyung Wee, Chang-Hyuk Lee, Phil-Jung Kim | 2002-04-02 |
| 6333666 | Antifuse circuit being programmable by using no connection pin | Phil-Jung Kim, Jae-Kyung Wee, Chang-Hyuk Lee, Jae-Seok Park, Oh Won Kwon +1 more | 2001-12-25 |
| 6240033 | Antifuse circuitry for post-package DRAM repair | Woodward Yang, Joo S. Choi, Jae-Kyung Wee, Young-Ho Seol, Phil-Jung Kim +1 more | 2001-05-29 |
| 6229747 | Self-refresh apparatus for a semiconductor memory device | Ho-Youb Cho | 2001-05-08 |
| 6184720 | Internal voltage generating circuit of a semiconductor device using test pad and a method thereof | Young-Hee Kim | 2001-02-06 |
| 5408449 | Digital audio player with music memory function for an intro-play operation | — | 1995-04-18 |