Inventor · disambiguated record
Zhi-Jin Ma
Also filed as: Ma zhi-jin
3 granted patents·2 pending applications·7 citations·filing 2013–2023
55Inventor score
Top patents by PatentIndex Score
5 records- 0163US2023302587A1Fixing device and welding equipment having the sameFIH PREC ELECTRONICS LANG FANG CO LTD·Filed 2023·Application pending·0 cites
- 0247US9227325B2Suction device for vacuum-lifting multiple types of workpiecesSHENZHEN FUTAIHONG PREC IND CO·Filed 2014·Granted Jan 5, 2016·0 cites·15 claims
- 0347USD741985SExhaust gas treatment apparatusFIH HONG KONG LTD·Filed 2013·Granted Oct 27, 2015·7 cites·1 claims
- 0442US2015008166A1Sifting and grading deviceSHENZHEN FUTAIHONG PREC IND CO·Filed 2014·Application pending·0 cites
- 0541US9708090B2Adjusting apparatusSHENZHEN FUTAIHONG PREC IND CO·Filed 2014·Granted Jul 18, 2017·0 cites·17 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →