Inventor · Danville, CA, US

John Ashley

81Patents
44h-index
55Co-inventors
91Inventor score

Filing activity: Jun 24, 1997 → Sep 29, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
US6073051A Apparatus for treating intervertebal discs with electromagnetic energy Human Necessities 564 Expired
US6126682A Method for treating annular fissures in intervertebral discs Human Necessities 529 Expired
US5980504A Method for manipulating tissue of an intervertebral disc Human Necessities 449 Expired
US6176857A Method and apparatus for applying thermal energy to tissue asymmetrically Human Necessities 441 Expired
US6122549A Apparatus for treating intervertebral discs with resistive energy Human Necessities 437 Expired
US8192495B2 Lockable spinal implant Human Necessities 423 Active
US6099514A Method and apparatus for delivering or removing material from the interior of an intervertebral disc Human Necessities 406 Expired
US6095149A Method for treating intervertebral disc degeneration Human Necessities 401 Expired
US6007570A Apparatus with functional element for performing function upon intervertebral discs Human Necessities 388 Expired
US6261311A Method and apparatus for treating intervertebral discs Human Necessities 351 Expired
US6290715A Method for delivering energy adjacent the inner wall of an intervertebral disc Human Necessities 297 Expired
US6258086A Catheter for delivery of energy to a surgical site Human Necessities 291 Expired
US6733496B2 Intervertebral disc device employing flexible probe Human Necessities 280 Expired
US8696751B2 Adjustable distraction cage with linked locking mechanisms Human Necessities 278 Active
US6283960A Apparatus for delivery of energy to a surgical site Human Necessities 275 Expired
US6997941B2 Method and apparatus for treating annular fissures in intervertebral discs Human Necessities 251 Expired
US6350262B1 Method and apparatus for applying thermal energy to tissue asymetrically Human Necessities 206 Expired
US7282061B2 Method of treating intervertebral disc Human Necessities 188 Expired
US8454617B2 Devices for treating the spine Performing Operations; Transporting 180 Active
US7267683B2 Method for treating intervertebral discs Human Necessities 178 Expired
US7938830B2 Powered tissue modification devices and methods Human Necessities 165 Active
US7887538B2 Methods and apparatus for tissue modification Human Necessities 162 Active
US8435296B2 Hydraulically actuated expanding spine cage with extendable locking anchor Human Necessities 157 Active
US7400930B2 Method for treating intervertebral discs Human Necessities 152 Expired
US9028550B2 Selectively expanding spine cage with enhanced bone graft infusion Human Necessities 142 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.