IFI

Patent Intelligence & Technology Report

Class Distribution for 1990-1999

707 - DATA PROCESSING: DATABASE AND FILE MANAGEMENT, DATA STRUCTURES, OR
      DOCUMENT PROCESSING (IPC G06F)

       1999  1998  1997  1996  1995  1994  1993  1992  1991  1990  Total

ELECTRONIC DATA SYSTEMS CORP
         12    15     2     2     0     0     1     0     0     0     32
U S WEST INC
          4     2     0     0     0     0     0     0     0     0      6
IOWA STATE UNIVERSITY RESEARCH FOUNDATION INC
          0     0     2     1     0     0     0     0     0     0      3
HITACHI MAXELL LTD JP
          0     0     0     1     1     0     0     0     0     0      2
YEDA RESEARCH & DEVELOPMENT CO LTD IL
          1     1     0     0     0     0     0     0     0     0      2
AEROSPATIALE SOC NATIONALE INDUSTRIELLE FR
          0     0     0     0     0     1     0     0     0     0      1
AT&T WIRELESS SERVICES INC
          1     0     0     0     0     0     0     0     0     0      1
ATLANTIC RICHFIELD CO
          0     0     0     0     1     0     0     0     0     0      1
CISCO TECHNOLOGY INC
          1     0     0     0     0     0     0     0     0     0      1
KOKUSAI DENSHIN DENWA K K JP
          1     0     0     0     0     0     0     0     0     0      1
KOREA TELECOM KR
          1     0     0     0     0     0     0     0     0     0      1
MASSACHUSETTS, UNIVERSITY OF
          1     0     0     0     0     0     0     0     0     0      1

Total    22    18     4     4     2     1     1     0     0     0     52