Inventor
HOLLOWAY CHRISTOPHER J
GB7 patents
⚠️ This page may combine multiple inventors who share the name “HOLLOWAY CHRISTOPHER J”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
IBM
6 patentsUS5912974AJun 15, 1999
Apparatus and method for authentication of printed documents
IBM334 citations98
US5604802AFeb 18, 1997
Transaction processing system
IBM357 citations98
US4755940AJul 5, 1988
Transaction security system
IBM309 citations97
US4747050AMay 24, 1988
Transaction security system using time variant parameter
IBM211 citations97
US5604801AFeb 18, 1997
Public key data communications system under control of a portable security device
IBM483 citations95
US5323464AJun 21, 1994
Commercial data masking
IBM98 citations94