Inventor · disambiguated record
Chien-Chuan Kao
Also filed as: KAO CHIEN-CHUAN
5 granted patents·6 pending applications·36 citations·filing 2012–2023
78Inventor score
Top patents by PatentIndex Score
11 records- 0189US9789593B2Socket ratchet wrenchKAO CHIEN-CHUAN·Filed 2015·Granted Oct 17, 2017·10 cites·15 claims
- 0285US9931737B2Ratchet wrench with efficient driver changing functionKAO YU EN·Filed 2015·Granted Apr 3, 2018·7 cites·15 claims
- 0378US8397605B1Ratchet wrenchKAO CHIEN-CHUAN·Filed 2012·Granted Mar 19, 2013·8 cites·9 claims
- 0462USD927222SHexagonal matCHA YAU SPONGE ENTPR CO LTD·Filed 2018·Granted Aug 10, 2021·10 cites·1 claims
- 0556US2024157518A1Ratchet wrenchJOHN METAL TOOLS IND LTD·Filed 2023·Application pending·0 cites
- 0647US2020147837A1Method for recycling eva plastic foamed materialKAO CHIEN CHUAN·Filed 2018·Application pending·0 cites
- 0743US2018222147A1Foam padCHA YAU SPONGE ENTPR CO LTD·Filed 2017·Application pending·0 cites
- 0842US2018036869A1High torque ratchet wrenchKAO CHIEN CHUAN·Filed 2016·Application pending·0 cites
- 0942US2014208897A1Ratchet wrenchJOHN METAL TOOLS IND LTD·Filed 2013·Application pending·0 cites
- 1036US2019264447A1Floor Mat PuzzleCHA YAU SPONGE ENTPR CO LTD·Filed 2018·Application pending·0 cites
- 1131USD821168SWrenchKAO CHIEN CHUAN·Filed 2017·Granted Jun 26, 2018·1 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →