John Zhang
17Patents
13h-index
13Co-inventors
75Inventor score
Filing activity: May 7, 1993 → May 5, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6120480A | Catheter introducer | Human Necessities | 200 | Expired |
| US5971958A | Interlocking catheter assembly | Emerging Cross-Sectional Technologies | 157 | Expired |
| US7413556B2 | Sheath for use with an ultrasound element | Human Necessities | 134 | Expired |
| US5549576A | Vascular introducer valve with proximal self-lubrication | Human Necessities | 102 | Expired |
| US6171281A | Interlocking catheter assembly | Emerging Cross-Sectional Technologies | 82 | Expired |
| US5613956A | Catheter introducer | Human Necessities | 81 | Expired |
| US5858007A | Hemostatic catheter introducer | Human Necessities | 76 | Expired |
| US6723063B1 | Sheath for use with an ultrasound element | Human Necessities | 53 | Expired |
| US6582392B1 | Ultrasound assembly for use with a catheter | Emerging Cross-Sectional Technologies | 44 | Expired |
| US7186246B2 | Ultrasound catheter with utility lumen | Emerging Cross-Sectional Technologies | 33 | Expired |
| US7914509B2 | Ultrasound catheter | Emerging Cross-Sectional Technologies | 30 | Active |
| US8764700B2 | Sheath for use with an ultrasound element | Human Necessities | 28 | Active |
| US8690818B2 | Ultrasound catheter for providing a therapeutic effect to a vessel of a body | Emerging Cross-Sectional Technologies | 24 | Active |
| US5520663A | Catheter introducer | General | 5 | Revoked |
| US10695589B1 | Method and kit for home controlled ovarian stimulation for in vitro fertilization | Human Necessities | 0 | Active |
| US7729867B2 | Method for introducing conjugated caps onto molecular fragments and systems and methods for using the same to determine inter-molecular interaction energies | Physics | 0 | Active |
| US10850134B2 | Method and kit for home controlled ovarian stimulation for in vitro fertilization | Human Necessities | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.