Youn; Yeu Young

Patent Applications and Registrations

Patent applications and USPTO patent grants for Youn; Yeu Young.The latest application filed is for "on-line system for improving detection level of analytes by liquid chromatography and analysis method using same".

Company Profile

7.15.18

Youn; Yeu Young - Daejeon KR
Youn; Yeu-Young - Seoul 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
Method for relative quantitative analysis of polymer using MALDI mass spectrometry Grant 11,448,616 - Jin , et al. September 20, 2	2022-09-20
Method for qualitatively analyzing insoluble pigment compound Grant 11,397,138 - Youn , et al. July 26, 2	2022-07-26
Pretreatment method for analyzing dioxin compounds and analytical method using the same Grant 11,280,767 - Youn , et al. March 22, 2	2022-03-22
Method for producing test pieces of water-insoluble material for MALDI mass spectrometry and method for quantitative analysis of water-insoluble material using MALDI mass spectrometry Grant 11,282,684 - Bae , et al. March 22, 2	2022-03-22
Solid phase extraction method using micro device Grant 11,260,319 - Choi , et al. March 1, 2	2022-03-01
Method for relative quantitative analysis of polymer using MALDI mass spectrometry Grant 11,255,818 - Jin , et al. February 22, 2	2022-02-22
On-Line System for Improving Detection Level of Analytes by Liquid Chromatography and Analysis Method Using Same App 20210356442 - Bae; Yongjin ; et al.	2021-11-18
Method For Relative Quantitative Analysis Of Polymer Using Maldi Mass Spectrometry App 20210293754 - JIN; Kyoungjoo ; et al.	2021-09-23
Method of preparing specimen of poorly water-soluble material for MALDI mass spectrometry and sample plate used therein Grant 11,120,980 - Bae , et al. September 14, 2	2021-09-14
Interface Unit App 20210233758 - You; Hyun Sik ; et al.	2021-07-29
Micro device for solid phase extraction Grant 11,065,557 - Jegal , et al. July 20, 2	2021-07-20
Method Of Preparing Specimen Of Poorly Water-soluble Material For Maldi Mass Spectrometry And Sample Plate Used Therein App 20210175061 - BAE; Yongjin ; et al.	2021-06-10
Method for quantitative analysis of polymer using MALDI mass spectrometry, and method for manufacturing sample for MALDI mass spectrometry for quantitative analysis of polymer Grant 10,991,559 - Bae , et al. April 27, 2	2021-04-27
Method for Producing Test Pieces of Water-Insoluble Material for Maldi Mass Spectrometry and Method for Quantitative Analysis of Water-Insoluble Material Using Maldi Mass Spectrometry App 20210090866 - Bae; Yongjin ; et al.	2021-03-25
Solid Phase Extraction Method Using Micro Device App 20200376410 - Choi; Junwon ; et al.	2020-12-03
Method for Relative Quantitative Analysis of Polymer Using Maldi Mass Spectrometry App 20200371065 - Jin; Kyoungjoo ; et al.	2020-11-26
Micro Device for Solid Phase Extraction App 20200215455 - Jegal; Seonyoung ; et al.	2020-07-09
Method for Quantitative Analysis of Polymer Using Maldi Mass Spectrometry, and Method for Manufacturing Sample for Maldi Mass Sp App 20200219709 - Bae; Yongjin ; et al.	2020-07-09
Method for Qualitatively Analyzing Insoluble Pigment Compound App 20200166437 - Youn; Yeu Young ; et al.	2020-05-28
Dispersing agent, its preparation method and dispersed composition of carbon-based material comprising the same Grant 10,569,243 - Sohn , et al. Feb	2020-02-25
Pretreatment Method For Analyzing Dioxin Compounds And Analytical Method Using The Same App 20190079060 - Youn; Yeu Young ; et al.	2019-03-14
Dispersing Agent, Its Preparation Method And Dispersed Composition Of Carbon-based Material Comprising The Same App 20170001161 - Sohn; Kwon Nam ; et al.	2017-01-05
Thinner composition and method of removing photoresist using the same Grant 7,863,231 - Ahn , et al. January 4, 2	2011-01-04
Thinner Composition And Method Of Removing Photoresist Using The Same App 20080214422 - AHN; Seung-Hyun ; et al.	2008-09-04
Photoresist composition and method of forming a pattern using the same Grant 7,419,759 - Kim , et al. September 2, 2	2008-09-02
Thinner composition and method of removing photoresist using the same Grant 7,387,988 - Ahn , et al. June 17, 2	2008-06-17
Photoresist composition and method of forming a pattern using same Grant 7,282,319 - Kim , et al. October 16, 2	2007-10-16
Silazane compound amd methods for using the same Grant 7,070,910 - Kim , et al. July 4, 2	2006-07-04
Photoresist composition and method of forming a pattern using the same App 20050277056 - Kim, Kyoung-Mi ; et al.	2005-12-15
Photoresist composition and method of forming same App 20050266343 - Kim, Kyoung-Mi ; et al.	2005-12-01
Photoresist composition and method of forming a pattern using same App 20050266342 - Kim, Kyoung-Mi ; et al.	2005-12-01
Thinner composition and method of removing photoresist using the same App 20050176607 - Ahn, Seung-Hyun ; et al.	2005-08-11
Silazane compound and methods for using the same App 20050164126 - Kim, Kyoung-Mi ; et al.	2005-07-28

uspto.report is an independent third-party trademark research tool that is not affiliated, endorsed, or sponsored by the United States Patent and Trademark Office (USPTO) or any other governmental organization. The information provided by uspto.report is based on publicly available data at the time of writing and is intended for informational purposes only.

While we strive to provide accurate and up-to-date information, we do not guarantee the accuracy, completeness, reliability, or suitability of the information displayed on this site. The use of this site is at your own risk. Any reliance you place on such information is therefore strictly at your own risk.

All official trademark data, including owner information, should be verified by visiting the official USPTO website at www.uspto.gov. This site is not intended to replace professional legal advice and should not be used as a substitute for consulting with a legal professional who is knowledgeable about trademark law.