Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10205149 | Manufacturing method of porous multilayered polyolefin | Gwigwon Kang, Dongjin Joo, Yongkyoung Kim, Jaewoong Kim, Hyungmin Kim +3 more | 2019-02-12 |
| 9799869 | Microporous polyolefin composite film having excellent heat resistance and thermal stability and method for manufacturing the same | Yong Kyoung Kim, Jae Woong Kim, Young Jun Woo, Dong Jin Joo | 2017-10-24 |
| 9562164 | Micro-porous polyolefin composite film having excellent heat resistance and stability and method for producing the same | Yong Kyoung Kim, Dong Jin Joo, Young Jun Woo, Jae Woong Kim | 2017-02-07 |
| 9564624 | Microporous composite film with high thermostable organic/inorganic coating layer | Yong Kyoung Kim, Dong Jin Joo, Je-An Lee, Jung Moon Sung | 2017-02-07 |
| 8920913 | Porous multi-layer film with improved thermal properties | Gwi-Gwon Kang, In Hwa Jung, Young-Keun Lee | 2014-12-30 |
| 8801984 | Microporous polyolefin multi layer film and preparing method thereof | Inhwa Jung, Gwigwon Kang, Youngkeun Lee | 2014-08-12 |
| 8790559 | Method for preparing microporous polyolefin film with improved productivity and easy control of physical properties | Gwi-Gwon Kang, In Hwa Jung | 2014-07-29 |
| 8597775 | Microporous polyolefin multi layer film | In Hwa Jung, Gwig Won Kang, Young-Keun Lee | 2013-12-03 |
| 8563120 | Microporous polyolefin multi layer film | Inhwa Jung, Gwigwon Kang, Youngkeun Lee | 2013-10-22 |
| 8486521 | Microporous polyethylene film with good property of strength and permeability at high temperature | Inhwa Jung, Gwigwon Kang, Youngkeun Lee, Yongkyoung Kim | 2013-07-16 |
| 8354185 | Microporous polyethylene film with good property of strength and permeability at high temperature | Inhwa Jung, Gwigwon Kang, Youngkeun Lee, Yongkyoung Kim | 2013-01-15 |
| 8323547 | Microporous polyethylene film manufactured according to liquid-liquid phase separation and method of producing the same | Young-Keun Lee, Jung Moon Sung, Byoung Cheon Jo, Chol Ho Lee, Gwi-Gwon Kang +2 more | 2012-12-04 |
| 8313678 | Preparing method of microporous high density polyethylene film | Young-Keun Lee, Jung Moon Sung, Byoung Cheon Jo | 2012-11-20 |
| 8262973 | Microporous polyolefin film with improved meltdown property and preparing method thereof | Young-Keun Lee, Gwi-Gwon Kang, In Hwa Jung, Je-An Lee | 2012-09-11 |
| 8057718 | Microporous polyethylene film having excellent physical properties, productivity, and quality consistency, and method of producing same | Young-Keun Lee, Jung Moon Sung, Byoung Cheon Jo, Chol Ho Lee | 2011-11-15 |
| 8048936 | Microporous polyolefin film possessing good mechanical properties and thermal stability | Gwigwon Kang, Inhwa Jung, Youngkeun Lee, Yongkyoung Kim | 2011-11-01 |
| 8003204 | Microporous polyolefin multi layer film and preparing method thereof | Inhwa Jung, Gwigwon Kang, Youngkeun Lee | 2011-08-23 |
| 7947752 | Method of producing microporous high density polyethylene film | Young-Keun Lee, Won-young Cho, Jung Moon Sung, Byoung Cheon Jo, Chol Ho Lee +2 more | 2011-05-24 |
| 7887727 | Preparing method of microporous polyolefin film through effective extrusion | Young-Keun Lee, Gwi-Gwon Kang, In Hwa Jung | 2011-02-15 |
| 7435761 | Microporous polyethylene film and method of producing the same | Young-Keun Lee, Won-young Cho, Jung Moon Sung, Byoung Cheon Jo, Chol Ho Lee +2 more | 2008-10-14 |
| 7332531 | Microporous high density polyethylene film | Young-Keun Lee, Won-young Cho, Jung Moon Sung, Byoung Cheon Jo, Chol Ho Lee +2 more | 2008-02-19 |
| 6783848 | Matte biaxially oriented polypropylene film with improved matte property and processability | Tae Keun Lee, Soo Hyun Cho | 2004-08-31 |