Citing PatentFiling datePublication dateApplicantTitleUS5628009 *Sep 22, 1995May 6, 1997Fujitsu LimitedInformation retrieval system using hierarchical data-management functionUS5729715 *Sep 9, 1994Mar 17, 1998Canon Kabushiki KaishaFiling system with multiple forms of storageUS5729741 *Apr 10, 1995Mar 17, 1998Golden Enterprises, Inc.System for storage and retrieval of diverse types of information o