Hwang; Gyu Hwan

Patent Applications and Registrations

Patent applications and USPTO patent grants for Hwang; Gyu Hwan.The latest application filed is for "optical film having an atypical pattern, method for manufacturing the same, and backlight assembly to which the optical film is applied".

Company Profile

0.7.12

Hwang; Gyu Hwan - Seoul KR
Hwang; Gyu-hwan - Gyeonggi-do KR
Hwang; Gyu-hwan - Hwanseong-gun KR
Hwang; Gyu-hwan - Hwaseong-gun KR
Hwang, Gyu-hwan - Hwaseong-si KR
Hwang, Gyu-hwan - Gyunggi-do KR
Hwang; Gyu-hwan - Suwon-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
Optical Film Having An Atypical Pattern, Method For Manufacturing The Same, And Backlight Assembly To Which The Optical Film Is Applied App 20140204608 - Park; Jin Sung ; et al.	2014-07-24
Projection optical system, projection television, and method of manufacturing lens included in projection optical system Grant 7,324,169 - Yoon , et al. January 29, 2	2008-01-29
Image display screen having wide vertical and horizontal viewing angles and projection television including the same Grant 7,233,440 - Yoon , et al. June 19, 2	2007-06-19
Wide viewing angle screen and projection television comprising the same Grant 7,139,124 - Yoon , et al. November 21, 2	2006-11-21
Brightness improving apparatus for projection television Grant 6,995,811 - Yoon , et al. February 7, 2	2006-02-07
Hybrid lens and projection optical system including the same Grant 6,992,837 - Yoon , et al. January 31, 2	2006-01-31
Screen and projection system including the same App 20050180005 - Hwang, Gyu-hwan ; et al.	2005-08-18
Projection optical system and projection television employing the same App 20050140831 - Yoon, Seok-il ; et al.	2005-06-30
Projection optical system, projection television, and method of manufacturing lens included in projection optical system App 20050083588 - Yoon, Seok-il ; et al.	2005-04-21
Rear projection screen and projector adopting the same Grant 6,859,314 - Yoon , et al. February 22, 2	2005-02-22
Method of manufacturing hybrid aspherical lens App 20050018315 - Yoon, Seok-il ; et al.	2005-01-27
Image display screen having wide vertical and horizontal viewing angles and projection television including the same App 20050018286 - Yoon, Seok-il ; et al.	2005-01-27
Wide viewing angle screen and projection television comprising the same App 20040223217 - Yoon, Seok-il ; et al.	2004-11-11
Rear projection screen and projector adopting the same App 20040136065 - Yoon, Seok-il ; et al.	2004-07-15
Hybrid lens and projection optical system including the same App 20040114057 - Yoon, Seok-il ; et al.	2004-06-17
Functional substance-containing screen for display devices and manufacturing method thereof App 20040036405 - Hwang, Gyu-hwan	2004-02-26
Screen for projection television Grant 6,603,604 - Hwang August 5, 2	2003-08-05
Brightness improving apparatus for projection television App 20030142242 - Yoon, Seok-il ; et al.	2003-07-31
Screen for projection television App 20030067682 - Hwang, Gyu-hwan	2003-04-10

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