Inventor · disambiguated record
Zhi Chang
Also filed as: CHANG ZHI · CHANG ZHI CHUNG
2 granted patents·2 pending applications·47 citations·filing 1999–2017
56Inventor score
Top patents by PatentIndex Score
4 records- 0170US6260892B1Electromagnetic lock having guiding mechanismFiled 1999·Granted Jul 17, 2001·47 cites·8 claims
- 0239US2008023970A1Electrical lock device mounting structureGIANNI IND INC·Filed 2006·Application pending·0 cites
- 0339US2018200816A1Wire cutting precision jigCITIC DICASTAL CO LTD·Filed 2017·Application pending·0 cites
- 0436US10464137B2Vertical lathe chuck mounting rackCITIC DICASTAL CO LTD·Filed 2017·Granted Nov 5, 2019·0 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →