Ko; Yong-kyun

Patent Applications and Registrations

Patent applications and USPTO patent grants for Ko; Yong-kyun.The latest application filed is for "cleaning solution for immersion photolithography system and immersion photolithograph process using the cleaning solution".

Company Profile

0.7.12

Ko; Yong-kyun - Osan-si KR
Ko; Yong-Kyun - Gyeonggi-do KR
Ko; Yong-Kyun - Osan KR
Ko, Yong-Kyun - Osan-city KR
Ko; Yong-kyun - Kyungki-do 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
Cleaning solution for immersion photolithography system and immersion photolithograph process using the cleaning solution App 20090117499 - Kim; Se-yeon ; et al.	2009-05-07
Etching composition, method of preparing the same, method of etching an oxide film, and method of manufacturing a semiconductor device Grant 7,311,857 - Ko , et al. December 25, 2	2007-12-25
Supporter And Apparatus For Cleaning Substrates With The Supporter, And Method For Cleaning Substrates App 20070181160 - YI; Hun-Jung ; et al.	2007-08-09
Cleaning composition and related methods App 20070000523 - Kim; Se-Yeon ; et al.	2007-01-04
Wafer guides for processing semiconductor substrates App 20060260149 - Jun; Pil-Kwon ; et al.	2006-11-23
Wafer guides for processing semiconductor substrates Grant 7,100,306 - Jun , et al. September 5, 2	2006-09-05
Wafer guides for processing semiconductor substrates App 20060027513 - Jun; Pil-Kwon ; et al.	2006-02-09
Wafer guides for processing semiconductor substrates Grant 6,959,823 - Jun , et al. November 1, 2	2005-11-01
Apparatus and method for collecting impurities on a semiconductor wafer Grant 6,939,410 - Ko , et al. September 6, 2	2005-09-06
Apparatus for manufacturing integrated circuit device Grant 6,905,570 - Lim , et al. June 14, 2	2005-06-14
Apparatus for drying a substrate using an isopropyl alcohol vapor Grant 6,883,248 - Ko , et al. April 26, 2	2005-04-26
Etching composition, method of preparing the same, method of etching an oxide film, and method of manufacturing a semiconductor device App 20050081883 - Ko, Yong-Kyun ; et al.	2005-04-21
Apparatus for drying semiconductor substrates using azeotrope effect and drying method using the apparatus App 20040226186 - Chon, Sang-Mun ; et al.	2004-11-18
Apparatus and method for collecting impurities on a semiconductor wafer App 20040163670 - Ko, Yong-Kyun ; et al.	2004-08-26
Apparatus for drying a substrate using an isopropyl alcohol vapor App 20040045188 - Ko, Yong-Kyun ; et al.	2004-03-11
Wafer guides for processing semiconductor substrates App 20040045865 - Jun, Pil-Kwon ; et al.	2004-03-11
Apparatus for manufacturing integrated circuit device App 20040022607 - Lim, Kwang-Shin ; et al.	2004-02-05
Apparatus for drying semiconductor substrates using azeotrope effect and drying method using the apparatus App 20040010932 - Chon, Sang-Mun ; et al.	2004-01-22
Chemical refining method and reuse system for semiconductor device manufacturing Grant 6,137,018 - Ko , et al. October 24, 2	2000-10-24

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.