Assignee
YU FENG-TO
1 granted patent·2 pending applications·6 citations·filing 2008–2010
Technology mixA45B3
Top patents by PatentIndex Score
3 records- 0172US7654274B1UmbrellaYU FENG-TO·Filed 2008·Granted Feb 2, 2010·6 cites·2 claims
- 0260US2011030745A1Foldable umbrella with one-piece umbrella clothYU FENG-TO·Filed 2009·Application pending·0 cites
- 0342US2011083709A1Foldable umbrella with seamless single-piece canopy memberYU FENG-TO·Filed 2010·Application pending·0 cites
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →