Zhenfen Yu
3Patents
1h-index
10Co-inventors
45Inventor score
Filing activity: Jun 28, 1988 → Feb 18, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4957114A | Diagnostic apparatus for intrinsic fluorescence of malignant tumor | Human Necessities | 96 | Expired |
| US10952618B2 | Optical observation equipment and endoscope for identifying forming process of malignant tumor | Human Necessities | 0 | Active |
| US12419508B2 | Optical observation equipment and method for identifying forming process of malignant tumor and endoscope | Human Necessities | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.