Status of trademark and patent

Application Number	Title
2000-17679	YOOCHANG.DOTCOM
2000-17680	YOOCHANG.COM
2001-7453	YOOCHANG INFO. & COMM. CO., LTD.
2001-0003160	YOOCHANG INFO. & COMM. CO., LTD.(Service Mark)
2001-0003161	YOOCHANG INFO. & COMM. CO., LTD.(Service Mark)
2001-0003162	YOOCHANG INFO. & COMM. CO., LTD.(Service Mark)
2002-0013398	Y.C Curved Ceiling Panel
2002-0013402	Yoochang Curved Ceiling Panel
2002-0014407	YSMC
2003-0040573	Slim T-bar

Application Number	Title
99-6792	Starlux
99-6793	株式會社裕昌
94-27837	GYPART
94-26195	GYPART
97-900	株式會社裕昌
97-901
97-2730	P S G[Plaster Systems Group]
97-12183	Y. S. P.
97-049035	TACK - BAR
98-0011818	LINE T-BAR

Application Number	Title
98-7143	Panel fixing bar(TACK-BAR)
10-260691	Panel fixing bar(TACK-BAR)
98117725.5	Panel fixing bar(TACK-BAR)
1-1999-716	Panel fixing bar(TACK-BAR)
S19990284	Panel fixing bar(TACK-BAR)
98-18794	Ceiling panel fixing device using elastic and repellent force
99-52731	Ceiling panel support bar
2000-431	Prefabricated wall panel improving sound blocking
2000-42143	C-type stud and lightened wall structure by using stud
2001-74301	Wall structure for building and architecture and method for its manufacturing (Econo stud for anti-burglary)
2003-0034087	Ceiling panel suspension fixture
2003-0034088	Strike type suspension fixture
2001-0073550	Prefabricated sandwich panel for building architecture
2001-0073551	Fire-proof door for building architecture
2004-95240	Ceiling panel supported device for building
2004-97456	Ceiling panel supported device for building
2004-107767	Ceiling panel supported device for building
2005-50415	Enclosure wall structure
2005-74190	Wall structure

Status of utility model

Application Number	Title	Etc
90-5876	Binding device for support for ceiling panel
90-10927	Wall panel attachment device
92-10702	Binder of bearing base for attachment of ceiling panel
91-6465	Fastening device for bearing base for attachment of ceiling panel
93-015733	Ceiling molding device
95-5634	T-cover for fixing finishing panel
96-039898	Bar binder for bent ceiling (clip)
97-2519	Interval adjustable support for attachment to ceiling
97-2520	Steel ceiling frame
96-39897	Binding device for bar for bent ceiling
97-22041	Attachment device for ceiling board
97-22042	Attachment device for ceiling board
2000-10929	Connection device for wall structure
98-6699	Ceiling board
99-8573	Ceiling board support member (H-bar)
99-26198	Manufacturing device for ceiling board support bar (Line T-bar)
2000-21597	Hanger structure which improved prefabrication of ceiling members
2001-31856	Ceiling board
2002-1300	Fixing bar for ceiling panel of building
2002-7107	Stud for wall structure and wall structure for building by use of the stud
97-25999	Panel fixture (Vietnam patent application No. S19990284)
20-2003-8763	Fixing bar for ceiling panel of building
20-2003-0016660	Fixture for suspension of ceiling board
20-2003-0016661	Strike type suspension fixture for ceiling board
1999-0015193	Frame for enclosure
2004-18709	Ceiling board fixture
2005-4860	Anchor bolt fixing device
2005-23417	Clip for prefabrication of wall

Status of design

Application Number	Title
94-17121	Clip for connecting support for ceiling board
95-5412	T-cover for fixing finishing board
95-17970	Decorative board for ceiling
96-11738	Connection device for ceiling frame
96-12103	Connection device for ceiling frame
96-24030	Binding device for bent bar for ceiling
96-24031(U)	Binding device for bent bar for ceiling
97-17118	Connection pin for fixing ceiling board
97-17119	Connection pin for fixing ceiling board
97-17120	Attachment device for ceiling board
97-17126(U)	Attachment device for ceiling board
97-17121	Attachment device for ceiling board
97-17127(U)	Attachment device for ceiling board
97-17122	Attachment device for ceiling board
97-17124	Fixture for support for ceiling board
97-17125	Fixing panel for support for ceiling board
97-19751	Ceiling finish material (T-panel)
97-019752(U)	Finishing material for ceiling
97-019753	Aggregate for support to ceiling board
97-019818	Tack bar for fixing finishing board
97-019819(U)	Tack bar for fixing finishing board
97-019820(U)	Tack bar for fixing finishing board
97-019821	Tack bar for fixing finishing board
97-019822	Tack bar for fixing finishing board
97-019823	Tack bar for fixing finishing board
97-019824(U)	Tack bar for fixing finishing board
97-019825	Tack bar for fixing finishing board
97-019826	Tack bar for fixing finishing board
97-019827	Tack bar for fixing finishing board
97-020236(U)	Tack bar for fixing finishing board
97-020237(U)	Tack bar for fixing finishing board
97-020241(U)	Tack bar for fixing finishing board

Application Number	Title
97-020246(U)	Tack bar for fixing finishing board
97-020247(U)	Tack bar for fixing finishing board
97-020248	Tack bar for fixing finishing board
97-020249(U)	Tack bar for fixing finishing board
97-020250(U)	Tack bar for fixing finishing board
98-0005847	Ceiling board
98-0016918	Tack bar for fixing finishing board
2000-9876	Support for wall execution
2000-9878	Joint for connection of wall
2001-36605	Tack bar for fixing finishing board(similar design)
2001-930	Tack bar for fixing finishing board
2001-931	Tack bar for fixing finishing board
2001-36606	Tack bar for fixing finishing board(similar design)
2001-36608	Tack bar for fixing finishing board(similar design)
2001-1011	Tack bar for fixing finishing board
2001-36607	Tack bar for fixing finishing board(similar design)
2001-36609	Tack bar for fixing finishing board(similar design)
2001-3225	Tack bar for fixing finishing board
2001-29169	Ceiling board(perforated)
2001-29170	Ceiling board(not perforated)
30-2003-0014831	Fixture for suspension of ceiling board
30-2003-0014832	Fixture for suspension of ceiling board
30-2003-0014833	Member for adjustment of level for support to ceiling board
30-2003-0014834	Reinforcing bar support to fixture for ceiling board
19..99-0017811	Ceiling rail of building enclosure panel
19..99-0017810	Connection rim of building enclosure panel
19..99-0022710	Panel frame for enclosure for building
19..99-0022708	Connection rim of enclosure panel for building
2005-5795	Anchor bolt fixture
2005-27127	Clip for construction
2005-27128	Clip for construction