Inventor · disambiguated record
Chiu-Chan Yen
Also filed as: YEN CHIU-CHAN
3 granted patents·2 pending applications·24 citations·filing 2001–2005
66Inventor score
Technology areasA45B
Top patents by PatentIndex Score
5 records- 0168US6681784B2Umbrella facet connecting mechanismFORTUNE UMBRELLA CO LTD·Filed 2002·Granted Jan 27, 2004·18 cites·1 claims
- 0254US7069938B2Golf sunshadeYO FU UMBRELLA CO LTD·Filed 2003·Granted Jul 4, 2006·4 cites·4 claims
- 0352US6805143B2Pull cord mechanism for self-opening foldable umbrellaYO FU UMBRELLA CO LTD·Filed 2002·Granted Oct 19, 2004·2 cites·10 claims
- 0446US2006169308A1Umbrella handleYO FU UMBRELLA CO LTD·Filed 2005·Application pending·0 cites
- 0545US2002088484A1Wind pressure releasable umbrella/parasolFiled 2001·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →