Inventor · disambiguated record
Ko-Yu Chang
Also filed as: CHANG KO-YU
2 granted patents·3 pending applications·3 citations·filing 2018–2019
42Inventor score
Top patents by PatentIndex Score
5 records- 0154US10448754B1ClampDOOR & WINDOW HARDWARE CO·Filed 2018·Granted Oct 22, 2019·1 cites·7 claims
- 0246US2018236364A1Interactive doll structureCHAN MENG YING·Filed 2018·Application pending·0 cites
- 0339US10627186B2Crossbow with Belleville springsCHANG KO YU·Filed 2019·Granted Apr 21, 2020·2 cites·15 claims
- 0429US2020408481A1Archery deviceCHANG KO YU·Filed 2019·Application pending·0 cites
- 0520US2020011632A1CrossbowCHANG KO YU·Filed 2019·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →