Fang Lei
25Patents
9h-index
29Co-inventors
75Inventor score
Filing activity: Aug 25, 1994 → Dec 13, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8394014B2 | Endoscope | Human Necessities | 64 | Active |
| US5528297A | Convertible video camera/projector | Electricity | 52 | Expired |
| US6965715B2 | Lens and method for producing a lens | Physics | 46 | Expired |
| US6618207B2 | Endoscope lens, and an endoscope equipped with such a lens | Physics | 38 | Expired |
| US8702602B2 | Exoscope | Human Necessities | 37 | Active |
| US6833912B2 | Apparatus for testing the state of an endoscope | Electricity | 26 | Expired |
| US7553277B2 | Endoscope with variable direction of view | Electricity | 25 | Active |
| US8870758B2 | Endoscope with adjustable viewing angle | Human Necessities | 11 | Active |
| US6301043A | Endoscope with at least one reversal system with a non-homogeneous refraction index | Physics | 9 | Expired |
| US7002741B2 | Image transmission system for endoscopes and method of producing a rod lens | Physics | 7 | Expired |
| US9392930B2 | Endoscope with adjustable viewing angle | Physics | 6 | Active |
| US7595935B2 | Rod lens | Physics | 4 | Active |
| US7586679B2 | Image transmission system from three rod lenses for rigid endoscopes | Physics | 3 | Expired |
| US6788637B1 | Apparatus for reading from and/or writing to optical recording media | Physics | 2 | Expired |
| US10624526B2 | Endoscope-pipe | Physics | 1 | Active |
| US9427141B2 | Endoscope-pipe | Physics | 1 | Active |
| US8043210B2 | Endoscope tube with image inversion system | Physics | 1 | Active |
| US12357155B2 | Endoscope-pipe | Physics | 0 | Active |
| US11608295B2 | Dispersant composition | Chemistry; Metallurgy | 0 | Active |
| US9867526B2 | Endoscope with adjustable viewing angle | Physics | 0 | Active |
| US6804052B2 | Rod lens system for rigid endoscopes | Physics | 0 | Expired |
| US8613538B2 | Illumination system for endoscopy or microscopy | Human Necessities | 0 | Active |
| US11276161B2 | Reference image generation for semiconductor applications | Physics | 0 | Active |
| US9591475B2 | Wireless local area network configuration method and wireless terminal | Electricity | 0 | Active |
| US12121626B2 | Blood coagulation-promoting silk fibroin-polypeptide electrospun membrane and preparation method thereof | Human Necessities | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.