Stephen Tatar
81Patents
43h-index
7Co-inventors
77Inventor score
Filing activity: May 15, 1997 → Jun 27, 2012
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5882350A | Polyaxial pedicle screw having a threaded and tapered compression locking mechanism | Human Necessities | 584 | Expired |
| US6113601A | Polyaxial pedicle screw having a loosely coupled locking cap | Human Necessities | 519 | Expired |
| US5989291A | Intervertebral spacer device | Human Necessities | 453 | Expired |
| USRE37665E1 | Polyaxial pedicle screw having a threaded and tapered compression locking mechanism | General | 442 | Expired |
| US6451021B1 | Polyaxial pedicle screw having a rotating locking element | Human Necessities | 397 | Expired |
| US5910142A | Polyaxial pedicle screw having a rod clamping split ferrule coupling element | Human Necessities | 299 | Expired |
| US6840940B2 | Polyaxial pedicle screw having a rotating locking element | Human Necessities | 292 | Expired |
| US6402756B1 | Longitudinal plate assembly having an adjustable length | Emerging Cross-Sectional Technologies | 290 | Expired |
| US6673113B2 | Intervertebral spacer device having arch shaped spring elements | Emerging Cross-Sectional Technologies | 275 | Expired |
| USRE39089E1 | Polyaxial pedicle screw having a threaded and tapered compression locking mechanism | General | 265 | Expired |
| US5997539A | Polyaxial pedicle screw having a compression locking rod gripping mechanism | Human Necessities | 246 | Expired |
| US5810819A | Polyaxial pedicle screw having a compression locking rod gripping mechanism | Human Necessities | 243 | Expired |
| US6689134B2 | Longitudinal plate assembly having an adjustable length | Emerging Cross-Sectional Technologies | 233 | Expired |
| US6827719B2 | Polyaxial pedicle screw having a rotating locking element | Human Necessities | 223 | Expired |
| US6440142B1 | Femoral ring loader | Human Necessities | 221 | Expired |
| US6610092B2 | Intervertebral spacer device having a slotted partial circular domed arch strip spring | Emerging Cross-Sectional Technologies | 221 | Expired |
| US6723127B2 | Artificial intervertebral disc having a wave washer force restoring element | Human Necessities | 205 | Expired |
| US6623525B2 | Porous intervertebral distraction spacers | Human Necessities | 193 | Expired |
| US6645249B2 | Intervertebral spacer device having a multi-pronged domed spring | Emerging Cross-Sectional Technologies | 188 | Expired |
| US6758861B2 | Intervertebral spacer device having a wave washer force restoring element | Human Necessities | 183 | Expired |
| US6740117B2 | Intervertebral spacer device having a radially thinning slotted belleville spring | Human Necessities | 182 | Expired |
| US7261739B2 | Intervertebral spacer device having arch shaped spring element | Emerging Cross-Sectional Technologies | 168 | Expired |
| US5810818A | Spinal hook implant having a low blade and S swivel hook | Human Necessities | 160 | Expired |
| US6669731B2 | Intervertebral spacer device having a slotted domed arch strip spring | Emerging Cross-Sectional Technologies | 146 | Expired |
| US6863689B2 | Intervertebral spacer having a flexible wire mesh vertebral body contact element | Human Necessities | 140 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.