Inventor
CHAFIN DAVID
US21 patents
⚠️ This page may combine multiple inventors who share the name “CHAFIN DAVID”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
VENTANA MED SYST INC
18 patentsUS11663717B2May 30, 2023
Methods, systems, and apparatuses for quantitative analysis of heterogeneous biomarker distribution
VENTANA MED SYST INC13 citations92
US10664967B2May 26, 2020
Methods, systems, and apparatuses for quantitative analysis of heterogeneous biomarker distribution
VENTANA MED SYST INC4 citations82
US10539487B2Jan 21, 2020
Systems and methods for monitoring tissue sample processing
VENTANA MED SYST INC9 citations82
US11639886B2May 2, 2023
Diffusion monitoring protocol for optimized tissue fixation
VENTANA MED SYST INC2 citations73
US10712250B2Jul 14, 2020
Diffusion monitoring protocol for optimized tissue fixation
VENTANA MED SYST INC2 citations73
US12216089B2Feb 4, 2025
Processing system for processing specimens using acoustic energy
VENTANA MED SYST INC2 citations72
US11959840B2Apr 16, 2024
Systems and methods for monitoring tissue sample processing
VENTANA MED SYST INC2 citations71
US11614426B2Mar 28, 2023
Processing system for processing specimens using acoustic energy
VENTANA MED SYST INC2 citations70
US11181506B2Nov 23, 2021
Standardizing diffusion of a fluid into tissue
VENTANA MED SYST INC3 citations70
US11624684B2Apr 11, 2023
Method for tissue sample fixation
VENTANA MED SYST INC3 citations69
US12461004B2Nov 4, 2025
Diffusion monitoring protocol for optimized tissue fixation
VENTANA MED SYST INC0 citations62
US12181387B2Dec 31, 2024
System and method for sample preservation
VENTANA MED SYST INC0 citations62
US11635355B2Apr 25, 2023
System and method for sample processing
VENTANA MED SYST INC0 citations62
US12467835B2Nov 11, 2025
Systems and methods for monitoring tissue sample processing
VENTANA MED SYST INC0 citations61
US12579642B2Mar 17, 2026
Methods, systems, and apparatuses for quantitative analysis of heterogeneous biomarker distribution
VENTANA MED SYST INC0 citations60
US11049247B2Jun 29, 2021
Methods, systems, and apparatuses for quantitative analysis of heterogeneous biomarker distribution
VENTANA MED SYST INC0 citations60
US12360079B2Jul 15, 2025
Standardizing diffusion of a fluid into tissue
VENTANA MED SYST INC0 citations59
US12158401B2Dec 3, 2024
Method for tissue sample fixation
VENTANA MED SYST INC0 citations59