Inventor · Universal City, TX, US

Royce Johnson

60Patents
26h-index
52Co-inventors
91Inventor score

Filing activity: Jun 18, 1984 → Jun 28, 2017

Most-cited inventions

PatentTitleAreaCited byStatus
US6695823B1 Wound therapy device Human Necessities 611 Expired
US7070584B2 Biocompatible wound dressing Human Necessities 605 Expired
US6856821B2 System for combined transcutaneous blood gas monitoring and vacuum assisted wound closure Human Necessities 365 Expired
US7700819B2 Biocompatible wound dressing Human Necessities 295 Active
US6994702B1 Vacuum assisted closure pad with adaptation for phototherapy Human Necessities 291 Expired
US7144390B1 Negative pressure treatment system with heating and cooling provision Human Necessities 267 Expired
US7722582B2 Wound therapy device Human Necessities 259 Expired
US7534240B1 Negative pressure wound therapy system with provision for introduction of an agent Human Necessities 221 Expired
US6520982B1 Localized liquid therapy and thermotherapy device Human Necessities 191 Expired
US7914611B2 Multi-layered support system Human Necessities 152 Active
US7422576B2 Localized liquid therapy and thermotherapy device Human Necessities 117 Expired
US7758554B2 Reduced pressure treatment system having a dual porosity pad Human Necessities 102 Active
US8118920B2 Multi-layered support system Human Necessities 98 Active
US7524286B2 System for combined transcutaneous blood gas monitoring and negative pressure wound treatment Human Necessities 95 Active
US8372182B2 Multi-layered support system Human Necessities 94 Active
US7540848B2 Negative pressure treatment system with heating and cooling provision Human Necessities 86 Active
US8267918B2 System and method for percutaneously administering reduced pressure treatment using a flowable manifold Human Necessities 82 Active
US8172816B2 Anisotropic drapes and systems Emerging Cross-Sectional Technologies 76 Active
US7763769B2 Biocompatible wound dressing Human Necessities 60 Expired
US8057449B2 Apparatus and method for administering reduced pressure treatment to a tissue site Human Necessities 40 Active
US7666134B2 System and method for transplantation of dermal tissue Human Necessities 39 Expired
US9386947B2 System for combined transcutaneous blood gas monitoring and negative pressure wound treatment Human Necessities 37 Active
US8357188B2 Localized liquid therapy and thermotherapy device Human Necessities 31 Active
US8096979B2 Reduced pressure treatment system having a dual porosity pad Human Necessities 30 Active
US8613734B2 Reduced pressure treatment system having a dual porosity pad Human Necessities 26 Active

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