CHUNG; Sang Kug

Patent Applications and Registrations

Patent applications and USPTO patent grants for CHUNG; Sang Kug.The latest application filed is for "sefl-cleaning device and method using electrical oscillation and mechanical oscillation".

Company Profile

4.5.7

CHUNG; Sang Kug - Yongin-si KR
Chung; Sang-Kug - Gyeonggi-do N/A KR
Chung; Sang Kug - 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
Sefl-cleaning Device And Method Using Electrical Oscillation And Mechanical Oscillation App 20220266316 - CHUNG; Sang Kug ; et al.	2022-08-25
Cleaning apparatus and method Grant 11,300,533 - Chung , et al. April 12, 2	2022-04-12
Cleaning Device Having Multi Layer Structure And Method Of Operating The Same App 20200346620 - CHUNG; Sang Kug ; et al.	2020-11-05
Device and method for cleaning camera lens part Grant 10,823,956 - Chung , et al. November 3, 2	2020-11-03
Cleaning Apparatus And Method App 20190277787 - CHUNG; Sang Kug ; et al.	2019-09-12
Device And Method For Cleaning Camera Lens Part App 20180275397 - CHUNG; Sang Kug ; et al.	2018-09-27
Electrowetting device and method for improving response speed of electrowetting device Grant 9,291,811 - Chung , et al. March 22, 2	2016-03-22
Electrowetting Device And Method For Improving Response Speed Of Electrowetting Device App 20150036205 - Chung; Sang-Kug ; et al.	2015-02-05
Variable-focus lens and fabrication method thereof Grant 7,333,272 - Oh , et al. February 19, 2	2008-02-19
Variable-focus lens and fabrication method thereof App 20060256448 - Oh; Byung Do ; et al.	2006-11-16

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