Inventor · Weston, MA, US

Daniel Robert Marshak

13Patents
8h-index
11Co-inventors
69Inventor score

Filing activity: Jul 23, 1992 → Aug 26, 2019

Most-cited inventions

PatentTitleAreaCited byStatus
US5284133A Inhalation device with a dose-timer, an actuator mechanism, and patient compliance monitoring means Human Necessities 384 Expired
US6835377B2 Osteoarthritis cartilage regeneration Chemistry; Metallurgy 346 Expired
US6355239B1 Uses for non-autologous mesenchymal stem cells Human Necessities 282 Expired
US5908782A Chemically defined medium for human mesenchymal stem cells Chemistry; Metallurgy 170 Expired
US7029666B2 Uses for non-autologous mesenchymal stem cells Human Necessities 119 Expired
US5965436A Method of isolating mesenchymal stem cells associated with isolated megakaryocytes by isolating megakaryocytes Chemistry; Metallurgy 37 Expired
US9269552B2 Ion detectors and methods of using them Physics 13 Active
US9396914B2 Optical detectors and methods of using them Physics 11 Active
US9625417B2 Ion detectors and methods of using them Physics 6 Active
US10395905B2 Ion detectors and methods of using them Physics 3 Active
US10229820B2 Optical detectors and methods of using them Physics 1 Active
US10930480B2 Ion detectors and methods of using them Physics 0 Active
US10892149B2 Optical detectors and methods of using them Physics 0 Active

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