Lee; Dong Ryul

Patent Applications and Registrations

Patent applications and USPTO patent grants for Lee; Dong Ryul.The latest application filed is for "medium for direct differentiation of pluripotent stem cell-derived mesenchymal stem cell, method for preparing mesenchymal stem cell by using same, and mesenchymal stem cell prepared thereby".

Company Profile

6.20.31

Lee; Dong Ryul - Seoul KR
Lee; Dong Ryul - Suwon-si KR
Lee; Dong Ryul - Gyeonggi-do KR
Lee; Dong Ryul - Gunpo KR
Lee; Dong-Ryul - Kyungjoo-si N/A KR
Lee; Dong-ryul - Hwaseong-si N/A KR

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Production of parthenogenetic stem cells and patient-specific human embryonic stem cells using somatic cell nuclear transfer Grant 11,339,369 - Chung , et al. May 24, 2	2022-05-24
Medium For Direct Differentiation Of Pluripotent Stem Cell-derived Mesenchymal Stem Cell, Method For Preparing Mesenchymal Stem Cell By Using Same, And Mesenchymal Stem Cell Prepared Thereby App 20210340498 - LEE; Dong Ryul ; et al.	2021-11-04
Composition For Embryonic Development, Comprising Rad51 Activator, And Method For Improving Embryonic Development Rate Using Same App 20210047615 - LEE; Dong Ryul ; et al.	2021-02-18
Semiconductor device having a trench type device isolation film and method for fabricating the same Grant 10,832,983 - Choi , et al. November 10, 2	2020-11-10
Stem Cell-derived Sertoli-like Cell, Preparation Method Therefor, And Use Thereof App 20200239853 - LEE; Dong Ryul ; et al.	2020-07-30
Methods And Compositions To Increase Human Somatic Cell Nuclear Transfer (scnt) Efficiency By Removing Histone H3-lysine Trimeth App 20200181648 - ZHANG; Yi ; et al.	2020-06-11
Solenoid valve having ventilation structure Grant 10,378,670 - Kim , et al. A	2019-08-13
Semiconductor device having air gap spacers and method for fabricating the same Grant 10,204,825 - Lee , et al. Feb	2019-02-12
Methods And Compositions To Increase Human Somatic Cell Nuclear Transfer (scnt) Efficiency By Removing Histone H3-lysine Trimethylation, And Derivation Of Human Nt-esc App 20180291400 - ZHANG; Yi ; et al.	2018-10-11
Production Of Parthenogenetic Stem Cells And Patient-specific Human Embryonic Stem Cells Using Somatic Cell Nuclear Transfer App 20180282688 - Chung; Young Gie ; et al.	2018-10-04
Storage Method And Banking System Of Nt Cell App 20180208891 - CHA; Kwang Yul ; et al.	2018-07-26
Production of parthenogenetic stem cells and patient-specific human embryonic stem cells using somatic cell nuclear transfer Grant 10,017,733 - Chung , et al. July 10, 2	2018-07-10
Semiconductor Device Having A Trench Type Device Isolation Film And Method For Fabricating The Same App 20180166352 - Choi; Ji Min ; et al.	2018-06-14
Semiconductor Device Having Air Gap Spacers And Method For Fabricating The Same App 20180158718 - LEE; DONG RYUL ; et al.	2018-06-07
Nuclear Transfer App 20170204369 - Chung; Young Gie ; et al.	2017-07-20
Process of preparing human multipotent stem cells co-expressing CD34 and CD73 Grant 9,688,961 - Lee , et al. June 27, 2	2017-06-27
Solenoid Valve Having Ventilation Structure App 20170059056 - Kim; Hyung Jun ; et al.	2017-03-02
Meteorological observation system using vehicles Grant 9,476,977 - Lim , et al. October 25, 2	2016-10-25
Charger for mobile devices for use in automobile Grant D769,187 - Park , et al. October 18, 2	2016-10-18
Meteorological Observation System Using Vehicles App 20150061929 - LIM; Sang Hun ; et al.	2015-03-05
Method of detecting defects in a semiconductor device and semiconductor device using the same Grant 8,952,716 - Cho , et al. February 10, 2	2015-02-10
Apparatuses And Methods For Extracting Defect Depth Information And Methods Of Improving Semiconductor Device Manufacturing Processes Using Defect Depth Information App 20140307052 - Ahn; Jeong-ho ; et al.	2014-10-16
Apparatus And Method For Estimating Depth Of Buried Defect In Substrate App 20140268170 - Sun; Jong-Cheon ; et al.	2014-09-18
Production Of Parthenogenetic Stem Cells And Patient-specific Human Embryonic Stem Cells Using Somatic Cell Nuclear Transfer App 20140234968 - Chung; Young Gie ; et al.	2014-08-21
Testis Somatic Cell-derived Pluripotent Stem Cells, Method For Producing Same, And Pharmaceutical Composition For Impotence Treatment Including Same App 20140120070 - Lee; Dong-Ryul ; et al.	2014-05-01
Method for repairing a damaged sewage pipeline without digging a trench Grant 8,585,323 - Lee November 19, 2	2013-11-19
Heat controllable visualization apparatus for transparent PEMFC Grant 8,367,262 - Bae , et al. February 5, 2	2013-02-05
Method Of Detecting Defects In A Semiconductor Device And Semiconductor Device Using The Same App 20120268159 - Cho; Yong Min ; et al.	2012-10-25
Method Of Detecting Defect In Pattern And Apparatus For Performing The Same App 20120155740 - CHO; Yong-Min ; et al.	2012-06-21
Visualization apparatus for transparent PEMFC Grant 8,137,827 - Bae , et al. March 20, 2	2012-03-20
Total Environmentally-friendly Trenchless Repairing Method App 20110318111 - Lee; Dong-Ryul	2011-12-29
Method Of Purging For Fuel Cell App 20110183220 - Bae; Joong Myeon ; et al.	2011-07-28
Methods for vitrification of human oocytes Grant 7,947,497 - Yoon , et al. May 24, 2	2011-05-24
Heat Controllable Visualization Apparatus for Transparent PEMFC App 20110104581 - Bae; Joongmyeon ; et al.	2011-05-05
Visualization Apparatus for Transparent PEMFC App 20110104524 - BAE; Joongmyeon ; et al.	2011-05-05
Power Conversion Controlling Method Of Fuel Cell-battery Hybrid-electric Vehicle And Control Device App 20100332060 - Bae; Joong Myeon ; et al.	2010-12-30
Methods for vitrification of human oocytes App 20090081782 - Yoon; Tae Ki ; et al.	2009-03-26
Mobile communication system and method for providing real time messenger service among mobile communication terminals Grant 7,433,344 - Lee , et al. October 7, 2	2008-10-07
Vibration Generator and a Polymer Electrolyte Membrane Fuel Cell with a Water Removing Structure Using the Vibration Generator App 20080193811 - Bae; Joongmyeon ; et al.	2008-08-14
Apparatus for controlling monitor photo diode in optical pickup system Grant 7,372,796 - Lee , et al. May 13, 2	2008-05-13
In Vitro Method for Isolating, Proliferating and Differentiating Germ-Line Stem Cells App 20080044395 - Kim; Kye-Seong ; et al.	2008-02-21
Apparatus and method for managing messages in mobile communication terminal App 20070287483 - Park; Youn-Ho ; et al.	2007-12-13
Mobile communication system and method for providing real time messenger service among mobile communication terminals App 20050197143 - Lee, Chul-Hwan ; et al.	2005-09-08
In vitro production of haploid germ cells Grant 6,872,569 - Lee , et al. March 29, 2	2005-03-29
Apparatus for controlling monitor photo diode in optical pickup system App 20040081041 - Lee, Jun-hyuk ; et al.	2004-04-29
In vitro production of haploid germ cells App 20030027329 - Lee, Dong Ryul ; et al.	2003-02-06

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