Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
ST

Stephen Tatar — 81 Patents

SPSpinecore: 54 patents #5 of 14Top 40%
TEThird Millennium Engineering: 7 patents #5 of 7Top 75%
FAFastenetix: 5 patents #4 of 8Top 50%
BIBiodynamics: 4 patents #3 of 13Top 25%
SCSpinal Concepts: 4 patents #9 of 23Top 40%
K2K2M: 1 patents #195 of 255Top 80%
Montville, NJ: #3 of 193 inventorsTop 2%
New Jersey: #343 of 69,400 inventorsTop 1%
Overall (All Time): #22,096 of 4,157,543Top 1%
81 Patents All Time
Stephen Tatar has been granted 81 US patents while listed as an inventor at Spinecore. The first was granted in 1998 and the most recent in May 2014. Stephen Tatar ranks #22,096 of 4,157,543 US inventors in our database (top 0.53%). Patent records list Stephen Tatar in Montville, NJ, US.

Issued Patents All Time

Showing 1–25 of 81 patents

Patent #TitleCo-InventorsDate
8715349 Intervertebral spacer device James D. Ralph 2014-05-06
8690877 Femoral ring loader James D. Ralph 2014-04-08
8685094 Instruments for reorienting vertebral bones for the treatment of scoliosis James D. Ralph, Thomas J. Errico 2014-04-01
8608752 Trial intervertebral distraction spacers James D. Ralph, Thomas J. Errico 2013-12-17
8361153 Porous intervertebral distraction spacers James D. Ralph, Thomas J. Errico 2013-01-29
8348958 Insertion tool for use with intervertebral spacers James D. Ralph, Thomas J. Errico 2013-01-08
8216315 Trial intervertebral distraction spacers James D. Ralph, Thomas J. Errico 2012-07-10
8147552 Intervertebral implant having features for controlling angulation thereof James D. Ralph, Joseph P. Errico 2012-04-03
8128670 Surgical expansion fasteners James D. Ralph, Thomas N. Troxell 2012-03-06
8092539 Intervertebral spacer device having a belleville washer with concentric grooves James D. Ralph 2012-01-10
8048159 Artificial intervertebral disc having a slotted belleville washer force restoring element James D. Ralph 2011-11-01
8038717 Method of distracting vertebral bones James D. Ralph, Thomas J. Errico 2011-10-18
8029568 Intervertebral spacer device having a slotted partial circular domed arch strip spring James D. Ralph, Joseph P. Errico 2011-10-04
7938837 Femoral ring loader James D. Ralph 2011-05-10
7824699 Implantable prosthetic devices containing timed release therapeutic agents James D. Ralph 2010-11-02
7771477 Intervertebral spacer device utilizing a belleville washer having radially spaced concentric grooves James D. Ralph 2010-08-10
7722675 Instruments for reorienting vertebral bones for the treatment of scoliosis James D. Ralph, Thomas J. Errico 2010-05-25
7722646 Polyaxial pedicle screw having a rotating locking element James D. Ralph 2010-05-25
7713302 Intervertebral spacer device utilizing a spirally slotted belleville washer having radially spaced concentric grooves James D. Ralph 2010-05-11
7695478 Insertion tool for use with intervertebral spacers James D. Ralph, Thomas J. Errico 2010-04-13
7695473 Adjustable bone plate James D. Ralph, Thomas N. Troxell 2010-04-13
7621914 Adjustable bone plate James D. Ralph, Thomas N. Troxell 2009-11-24
7604664 Spinal baseplates with ball joint coupling and a retaining member James D. Ralph 2009-10-20
7563285 Artificial intervertebral disc utilizing a ball joint coupling James D. Ralph 2009-07-21
7550008 Intervertebral spacer having a flexible wire mesh vertebral body contact element James D. Ralph, Thomas J. Errico 2009-06-23