Mark A. Ritchart
59Patents
33h-index
39Co-inventors
88Inventor score
Filing activity: Sep 28, 1982 → Nov 3, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4994069A | Vaso-occlusion coil and method | Human Necessities | 1,271 | Expired |
| US5526822A | Method and apparatus for automated biopsy and collection of soft tissue | Human Necessities | 1,100 | Expired |
| US5769086A | Control system and method for automated biopsy device | Human Necessities | 796 | Expired |
| US5649547A | Methods and devices for automated biopsy and collection of soft tissue | Human Necessities | 608 | Expired |
| US5775333A | Apparatus for automated biopsy and collection of soft tissue | Human Necessities | 533 | Expired |
| US5928164A | Apparatus for automated biopsy and collection of soft tissue | Human Necessities | 456 | Expired |
| US7090690B2 | Devices and methods for repairing soft tissue | Human Necessities | 422 | Expired |
| US5810806A | Methods and devices for collection of soft tissue | Human Necessities | 413 | Expired |
| US5385553A | Trocar with floating septum seal | Human Necessities | 400 | Expired |
| US5902310A | Apparatus and method for marking tissue | Human Necessities | 392 | Expired |
| US6228055A | Devices for marking and defining particular locations in body tissue | Emerging Cross-Sectional Technologies | 389 | Expired |
| US5980469A | Method and apparatus for automated biopsy and collection of soft tissue | Human Necessities | 358 | Expired |
| US6017316A | Vacuum control system and method for automated biopsy device | Human Necessities | 357 | Expired |
| US6524317B1 | Method and apparatus for attaching connective tissues to bone using a knotless suture anchoring device | Human Necessities | 346 | Expired |
| US5209737A | Lever actuated septum seal | Human Necessities | 336 | Expired |
| US7981050B2 | Methods and devices for automated biopsy and collection of soft tissue | Human Necessities | 335 | Active |
| US5308336A | Seal protection mechanism | Human Necessities | 330 | Expired |
| US5913857A | Methods and devices for collection of soft tissue | Human Necessities | 317 | Expired |
| US6605096B1 | Percutaneous suturing apparatus and method | Human Necessities | 302 | Expired |
| US6428486B2 | Methods and devices for automated biopsy and collection of soft tissue | Human Necessities | 280 | Expired |
| US5456284A | Elastomeric valve assembly | Emerging Cross-Sectional Technologies | 250 | Expired |
| US7229417B2 | Methods for marking a biopsy site | Emerging Cross-Sectional Technologies | 242 | Expired |
| US5599347A | Surgical trocar with cutoff circuit | Human Necessities | 235 | Expired |
| US7226424B2 | Methods and devices for automated biopsy and collection of soft tissue | Human Necessities | 230 | Expired |
| US7044957B2 | Devices for defining and marking tissue | Emerging Cross-Sectional Technologies | 180 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.