Inventor · name-matched record
LEE TSAN-CHANG
2 granted patents·1 pending application·0 citations·filing 2023–2024
20Inventor score
Technology areasB25B
Files withLEE TSAN CHANG3
This identity is grouped by exact name match (no disambiguated inventor record was available for these filings) — it may combine same-named inventors.
Top patents by PatentIndex Score
3 records- 0163US2026042193A1Wrench structureLEE TSAN CHANG·Filed 2024·Application pending·0 cites
- 0259US12583082B2Engaging structure for hand toolLEE TSAN CHANG·Filed 2023·Granted Mar 24, 2026·0 cites·10 claims
- 0358US12533774B2Engaging structure for hand toolLEE TSAN CHANG·Filed 2023·Granted Jan 27, 2026·0 cites·7 claims
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Identity basis: exact name match across USPTO filings. How scoring works →