Assignee
TSAI CHEN-CHANG
2 granted patents·1 pending application·15 citations·filing 2004–2011
Top patents by PatentIndex Score
3 records- 0154US7213492B2Control mechanism for a socket wrenchTSAI CHEN-CHANG·Filed 2004·Granted May 8, 2007·10 cites·1 claims
- 0245US7188550B2Open end adjustable spannerTSAI CHEN-CHANG·Filed 2004·Granted Mar 13, 2007·5 cites·1 claims
- 0337US2013025417A1Operating tool able to be rotated for anglesTSAI CHEN-CHANG·Filed 2011·Application pending·0 cites
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →