Inventor · disambiguated record
Zhenfen Yu
Also filed as: YU ZHENFEN
3 granted patents·1 pending application·113 citations·filing 1988–2021
63Inventor score
Technology areasA61B
Top patents by PatentIndex Score
4 records- 0165US4957114ADiagnostic apparatus for intrinsic fluorescence of malignant tumorZENG KUN·Filed 1988·Granted Sep 18, 1990·113 cites·7 claims
- 0243US2008161699A1Optical biopsy method for precancerous lesion diagnosis and an endoscope apparatus thereofSHANGHAI SHENGBIAO SCIENCE AND·Filed 2007·Application pending·0 cites
- 0340US12419508B2Optical observation equipment and method for identifying forming process of malignant tumor and endoscopeZENG KUN·Filed 2021·Granted Sep 23, 2025·0 cites·11 claims
- 0430US10952618B2Optical observation equipment and endoscope for identifying forming process of malignant tumorZENG KUN·Filed 2015·Granted Mar 23, 2021·0 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →