Inventor · Houston, TX, US

John Isham

22Patents
8h-index
10Co-inventors
68Inventor score

Filing activity: Feb 20, 2008 → Jun 14, 2021

Most-cited inventions

PatentTitleAreaCited byStatus
US8176585B1 External immobilizer Human Necessities 18 Active
US8500771B2 Rectal balloon apparatus with pressure relieving lumen and sensors Human Necessities 15 Active
US8080031B2 Minimally invasive rectal balloon apparatus Human Necessities 14 Active
US8500618B2 Dual gynecological balloon packing system Human Necessities 12 Active
US8454648B1 Locking device for a prostate immobilizer Human Necessities 11 Active
US8679147B2 Rectal balloon apparatus with pressure relieving lumen and sensors Human Necessities 8 Active
US8241317B2 Minimally invasive rectal balloon apparatus Human Necessities 8 Active
US8607385B2 External immobilizer Human Necessities 8 Active
US8603129B2 Rectal balloon with radiation sensor and/or markers Human Necessities 7 Active
US9381334B2 Endorectal balloon with gas release lumen Human Necessities 5 Active
US9227084B2 Universal balloon for brachytherapy applicator Emerging Cross-Sectional Technologies 5 Active
US10429517B1 Manufacture of plastic scintillation dosimeters Physics 2 Active
US9833637B2 Skin patch dosimeter Human Necessities 1 Active
US10298583B2 Integrated activity management system and method of using same Electricity 1 Active
US8885986B2 Small diameter radiation sensor cable Emerging Cross-Sectional Technologies 0 Active
US10866327B2 Manufacture of plastic scintillation dosimeters Physics 0 Active
US10145075B2 Multilayer marine wraps Fixed Constructions 0 Active
US11575675B2 Integrated activity management system and method of using same Electricity 0 Active
US10782425B2 PSD sensors for head and neck Human Necessities 0 Active
US9707379B2 Rectal balloon with locking stopper Human Necessities 0 Active
US8953912B2 Small diameter radiation sensor cable Emerging Cross-Sectional Technologies 0 Active
US11063947B2 Integrated activity management system and method of using same Electricity 0 Active

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