Assignee
CHENG CHUNG-JEN
TW·2 granted patents·3 pending applications·44 citations·filing 1998–2011
Technology mixA47D4
Top patents by PatentIndex Score
5 records- 0173USD401894SCombined walker and rockerCHENG CHUNG-JEN·Filed 1998·Granted Dec 1, 1998·19 cites·1 claims
- 0252US2011018216A1Base structure of baby walkerCHENG CHUNG-JEN·Filed 2009·Application pending·0 cites
- 0351US2010078909A1Baby walker as walk helperCHENG CHUNG-JEN·Filed 2008·Application pending·0 cites
- 0445US5938218AWalker and rocking horseCHENG CHUNG JEN·Filed 1999·Granted Aug 17, 1999·25 cites·1 claims
- 0544US2012286545A1HighchairCHENG CHUNG-JEN·Filed 2011·Application pending·0 cites
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →