P

Inventor

JOHNSTON GREGORY E

US9 patents
⚠️ This page may combine multiple inventors who share the name “JOHNSTON GREGORY E”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

X RAY SCANNER CORP

5 patents
US5381245AJan 10, 1995

X-ray film scanning and digitizing apparatus

X RAY SCANNER CORP38 citations88
US5241406AAug 31, 1993

X-ray film scanning and digitizing apparatus

X RAY SCANNER CORP30 citations88
US5343308AAug 30, 1994

Extended dynamic range image digitizing apparatus

X RAY SCANNER CORP15 citations72
US5268567ADec 7, 1993

Charge collection control circuit for use with charge-coupled photodetector arrays

X RAY SCANNER CORP8 citations72
US5283426AFeb 1, 1994

Methods and apparatus for obtaining nonlinear responses from photodetector arrays

X RAY SCANNER CORP18 citations71

(unassigned)

3 patents
US5432622AJul 11, 1995

High-resolution scanning apparatus

35 citations91
US5535004AJul 9, 1996

Distance measuring interferometer having specific crossings detection circuit

7 citations72
US6791673B1Sep 14, 2004

Ground surveillance system

1 citations51

JOHNSTON GREGORY E

1 patent
US7755668B1Jul 13, 2010

Mobile surveillance system

JOHNSTON GREGORY E43 citations85