Inventor · Orange, CA, US

Derrick Johnson

52Patents
11h-index
48Co-inventors
78Inventor score

Filing activity: Aug 16, 1996 → Jul 19, 2024

Most-cited inventions

PatentTitleAreaCited byStatus
US7455689B2 Four-leaflet stented mitral heart valve Human Necessities 161 Active
US5857074A Server controller responsive to various communication protocols for allowing remote communication to a host computer connected thereto Electricity 124 Expired
US8366769B2 Low-profile, pivotable heart valve sewing ring Human Necessities 124 Active
US7776084B2 Prosthetic mitral heart valve having a contoured sewing ring Human Necessities 56 Active
US7682391B2 Methods of implanting a prosthetic mitral heart valve having a contoured sewing ring Human Necessities 40 Active
US8506625B2 Contoured sewing ring for a prosthetic mitral heart valve Human Necessities 35 Active
US6099446A Exercise apparatus utilizing elastic straps Human Necessities 32 Expired
US8544114B2 Exercise suit Human Necessities 25 Active
US9364322B2 Post-implant expandable surgical heart valve configurations Human Necessities 21 Active
US9675453B2 Methods of identifying and replacing implanted heart valves Human Necessities 17 Active
US10052200B2 Surgical heart valves adapted for post implant expansion Human Necessities 12 Active
US10543085B2 One-piece heart valve stents adapted for post-implant expansion Human Necessities 11 Active
US9375310B2 Surgical heart valves adapted for post-implant expansion Human Necessities 10 Active
US9504566B2 Surgical heart valves identifiable post-implant Human Necessities 10 Active
USD888498S1 Drinking vessel General 9 Active
USD888499S1 Drinking vessel General 9 Active
US10441415B2 Heart valves with increased effective orifice area Human Necessities 7 Active
USD1023677S1 Baseball bat-shaped drinking vessel with home plate-shaped stand General 5 Active
USD948963S1 Drinking vessel stand General 4 Active
US9339381B2 Four-leaflet stented mitral heart valve Human Necessities 3 Active
US10238486B2 Heart valve with integrated stent and sewing ring Human Necessities 1 Active
USD960372S1 Prosthetic valve and holder General 1 Active
US10722356B2 Prosthetic mitral valve holders Human Necessities 1 Active
US11883282B2 Assembly of heart valves and intermediate adapter stent Human Necessities 1 Active
US11576772B2 One-piece heart valve stents adapted for post-implant expansion Human Necessities 1 Active

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