LEE; Doug Youn

Patent Applications and Registrations

Patent applications and USPTO patent grants for LEE; Doug Youn.The latest application filed is for "photocatalytic filter, method for manufacturing the same, and method for reactivating the same".

Company Profile

2.3.7

LEE; Doug Youn - Ansan-si KR
Lee; Doug-Youn - Gyeonggi-do KR
Lee; Doug-Youn - Goyang-si 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
Photocatalytic Filter, Method For Manufacturing The Same, And Method For Reactivating The Same App 20190201883 - SUH; Daewoong ; et al.	2019-07-04
Photocatalytic filter, method for manufacturing the same, and method for reactivating the same Grant 10,213,779 - Suh , et al. Feb	2019-02-26
Photocatalytic Filter For Degrading Mixed Gas And Manufacturing Method Thereof App 20180029017 - Yi; Jaeseon ; et al.	2018-02-01
Photocatalyst filter for air cleaners Grant D764,040 - Cho , et al. August 16, 2	2016-08-16
Photocatalytic Filter For Degrading Mixed Gas And Manufacturing Method Thereof App 20160089660 - Yi; Jaeseon ; et al.	2016-03-31
Photocatalytic Filter For Degrading Mixed Gas And Manufacturing Method Thereof App 20160089659 - Yi; Jaeseon ; et al.	2016-03-31
Photocatalytic Filter, Method For Manufacturing The Same, And Method For Reactivating The Same App 20160067698 - Suh; Daewoong ; et al.	2016-03-10
Barrier Membranes For Guided Bone Regeneration App 20100028409 - Lee; Doug-Youn ; et al.	2010-02-04
Composite materials for bone defect filling and bone replacement Grant 7,449,498 - Park , et al. November 11, 2	2008-11-11
Composite materials for bone defect filling and bone replacement App 20060276562 - Park; Kyeong-Jun ; et al.	2006-12-07

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