IFI
Patent Intelligence & Technology Report
Class Distribution for 1990-1999
379 - TELEPHONIC COMMUNICATIONS (IPC H04M)
1999 1998 1997 1996 1995 1994 1993 1992 1991 1990 Total
U S WEST INC
10 8 2 0 0 0 0 0 0 0 20
FRANCE TELECOM S A FR
4 2 1 2 2 1 0 0 0 0 12
KOKUSAI DENSHIN DENWA K K JP
3 0 3 1 2 0 0 0 0 3 12
KOREA TELECOM KR
2 2 0 3 1 0 1 2 1 0 12
HUBBELL INC
1 1 0 0 0 2 1 0 0 0 5
CISCO TECHNOLOGY INC
2 0 0 0 0 0 0 0 0 0 2
ELECTRONIC DATA SYSTEMS CORP
0 0 2 0 0 0 0 0 0 0 2
HITACHI MAXELL LTD JP
0 1 0 0 1 0 0 0 0 0 2
SQUARE D CO
0 0 0 0 0 1 0 0 0 0 1
Total 22 14 8 6 6 4 2 2 1 3 68