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Inventor

BJORKHOLM PAUL J

US14 patents
⚠️ This page may combine multiple inventors who share the name “BJORKHOLM PAUL J”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

AMERICAN SCIENCE & ENG INC

8 patents
US5313511AMay 17, 1994

X-ray imaging particularly adapted for low Z materials

AMERICAN SCIENCE & ENG INC321 citations99
US4799247AJan 17, 1989

X-ray imaging particularly adapted for low Z materials

AMERICAN SCIENCE & ENG INC177 citations99
US4511799AApr 16, 1985

Dual energy imaging

AMERICAN SCIENCE & ENG INC166 citations98
US4807637AFeb 28, 1989

Diaphanography method and apparatus

AMERICAN SCIENCE & ENG INC83 citations96
US4768214AAug 30, 1988

Imaging

AMERICAN SCIENCE & ENG INC73 citations96
US4342914AAug 3, 1982

Flying spot scanner having arbitrarily shaped field size

AMERICAN SCIENCE & ENG INC105 citations96
US4303860ADec 1, 1981

High resolution radiation detector

AMERICAN SCIENCE & ENG INC38 citations92
US4482957ANov 13, 1984

Use of a square root amplifier for statistics limited data

AMERICAN SCIENCE & ENG INC8 citations73

PERKINELMER DETECTION SYSTEMS

2 patents
US6301326B2Oct 9, 2001

Sheet detection system

PERKINELMER DETECTION SYSTEMS207 citations97
US6272206B1Aug 7, 2001

Rotatable cylinder dual beam modulator

PERKINELMER DETECTION SYSTEMS54 citations94

EG & G ASTROPHYSICS

2 patents
US6069936AMay 30, 2000

Material discrimination using single-energy x-ray imaging system

EG & G ASTROPHYSICS90 citations96
US5917880AJun 29, 1999

X-ray inspection apparatus

EG & G ASTROPHYSICS79 citations94

(unassigned)

1 patent
US5442672AAug 15, 1995

Three-dimensional reconstruction based on a limited number of X-ray projections

161 citations94

FOX TIMOTHY R

1 patent
US8184769B2May 22, 2012

Method and apparatus to facilitate using multiple radiation-detection views to differentiate one material from another

FOX TIMOTHY R10 citations81