Inventor · disambiguated record
Wangtao Chang
Also filed as: CHANG WANGTAO
1 granted patent·3 pending applications·0 citations·filing 2018–2019
2Inventor score
Technology areasA61B
Top patents by PatentIndex Score
4 records- 0143US2022087707A1Ultrasonic surgical instrumentEZISURG MEDICAL CO LTD·Filed 2019·Application pending·0 cites
- 0240US11759228B2Ultrasonic surgical instrument having detachable sleeve assemblyEZISURG MEDICAL CO LTD·Filed 2018·Granted Sep 19, 2023·0 cites·16 claims
- 0336US2021085358A1Surgical instrument having electrically-driven clamping mechanismSHANGHAI YISI MEDICAL TECH CO LTD·Filed 2018·Application pending·0 cites
- 0435US2021161552A1Reusable ultrasonic surgical instrumentSHANGHAI YISI MEDICAL TECH CO LTD·Filed 2018·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →