Inventor · Phoenix, AZ, US

Roger Johnson

10Patents
6h-index
26Co-inventors
66Inventor score

Filing activity: Aug 2, 1993 → Aug 29, 2018

Most-cited inventions

PatentTitleAreaCited byStatus
US6944322B2 Optical tomography of small objects using parallel ray illumination and post-specimen optical magnification Physics 52 Expired
US5402460A Three-dimensional microtomographic analysis system Emerging Cross-Sectional Technologies 35 Expired
US7907765B2 Focal plane tracking for optical microtomography Physics 26 Active
US9597026B2 Endoscope for analyte consumption rate determination with single cell resolution for in vivo applications Human Necessities 15 Active
US9181375B2 Fluorescent potassium ion sensors Chemistry; Metallurgy 11 Active
US10162162B2 Microfluidic systems and methods for hydrodynamic microvortical cell rotation in live-cell computed tomography Performing Operations; Transporting 9 Active
US10391485B2 Microfluidic electrocage device and cell medium for trapping and rotating cells for live-cell computed tomography (CT) Performing Operations; Transporting 6 Active
US11315292B2 Live-cell computed tomography Physics 0 Active
US12329382B2 Thixotropic biocompatible gel for live cell observation in cell computed tomography Chemistry; Metallurgy 0 Active
US11327004B2 Live-cell computed tomography Physics 0 Active

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