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Status of patent
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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
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