Zen Design Group, Ltd.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
A63H TOYS, e.g. TOPS, DOLLS, HOOPS, BUILDING BLOCKS329
 
  
 
B43K IMPLEMENTS FOR WRITING OR DRAWING 124
 
  
 
F21S NON-PORTABLE LIGHTING DEVICES OR SYSTEMS THEREOF 155
 
  
 
H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY 1119

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8298036 Dynamo powered amusement deviceAug 04, 06Oct 30, 12[A63H]
7679320 Amusement apparatus operative as a dynamo battery chargerOct 19, 05Mar 16, 10[H02J]
6896390 Animate form headlampAug 13, 03May 24, 05[A63H, F21S]
6860616 Ultraviolet light writing systemOct 04, 02Mar 01, 05[B43K]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6995542 Battery charger amusement deviceExpiredJun 20, 03Feb 07, 06[A63H]
2005/0170,324 Invisible ink quiz gameAbandonedFeb 03, 04Aug 04, 05[G09B]
6877875 Canted head-mounted lightExpiredNov 06, 02Apr 12, 05[A42B]
2004/0201,573 Illuminated computer peripheralAbandonedApr 10, 03Oct 14, 04[G09G]
2004/0076,460 Phosphorescent writing systemAbandonedJan 09, 03Apr 22, 04[B43M]

Top Inventors for This Owner

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