Inventor · disambiguated record
Chen-Chang Tsai
Also filed as: TSAI CHEN-CHANG
3 granted patents·1 pending application·37 citations·filing 1995–2011
70Inventor score
Technology areasB25B
Files withTSAI CHEN-CHANG3
Top patents by PatentIndex Score
4 records- 0154US7213492B2Control mechanism for a socket wrenchTSAI CHEN-CHANG·Filed 2004·Granted May 8, 2007·10 cites·1 claims
- 0252US5697267ASocket wrenchFiled 1995·Granted Dec 16, 1997·22 cites·2 claims
- 0345US7188550B2Open end adjustable spannerTSAI CHEN-CHANG·Filed 2004·Granted Mar 13, 2007·5 cites·1 claims
- 0437US2013025417A1Operating tool able to be rotated for anglesTSAI CHEN-CHANG·Filed 2011·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Chen-Chang Tsai files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →