Inventor · San Diego, CA, US

Dan K. Ahlgren

19Patents
11h-index
22Co-inventors
72Inventor score

Filing activity: May 26, 1999 → Oct 19, 2020

Most-cited inventions

PatentTitleAreaCited byStatus
US6485518B1 Facet screw and bone allograft intervertebral support and fusion system Emerging Cross-Sectional Technologies 555 Expired
US6251140A Interlocking spinal inserts Human Necessities 468 Expired
US6852126B2 Stackable interlocking intervertebral support system Human Necessities 338 Expired
US6221082A Spinal surgery guidance platform Human Necessities 184 Expired
US6530930B1 Spinal surgery guidance platform Human Necessities 183 Expired
US7833251B1 System and method for performing spinal fixation Human Necessities 171 Active
US7776049B1 Spinal implant inserter, implant, and method Human Necessities 127 Expired
US6280447A Bony tissue resector Human Necessities 103 Expired
US8083796B1 Implants and methods for spinal fusion Human Necessities 70 Active
US8480712B1 System and method for performing spinal fixation Human Necessities 61 Active
US7887568B2 Stackable spinal support system and related methods Human Necessities 32 Expired
US9168152B2 Implants and methods for spinal fusion Human Necessities 6 Active
US9907672B1 Implants and methods for spinal fusion Human Necessities 1 Active
US12016783B2 Implants and methods for spinal fusion Human Necessities 0 Active
US9101484B2 Stackable spinal support system Human Necessities 0 Active
US8475496B2 Stackable spinal support system Human Necessities 0 Active
US10390961B2 Stackable interlocking intervertebral support system Human Necessities 0 Active
US8460384B2 Stackable spinal support system Human Necessities 0 Active
US10842646B2 Implants and methods for spinal fusion Human Necessities 0 Active

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