IFI
Patent Intelligence & Technology Report
Class Distribution for 1990-1999
375 - PULSE OR DIGITAL COMMUNICATIONS (IPC H04L, H04B, H03D)
1999 1998 1997 1996 1995 1994 1993 1992 1991 1990 Total
FRANCE TELECOM S A FR
3 1 2 1 4 4 1 0 0 0 16
AT&T WIRELESS SERVICES INC
8 3 1 0 0 0 0 0 0 0 12
DEUTSCHE THOMSON-BRANDT GMBH DE
2 1 2 0 0 2 2 0 1 0 10
KOREA TELECOM KR
1 1 1 1 1 0 1 0 2 0 8
KOKUSAI DENSHIN DENWA K K JP
1 0 0 1 3 1 1 0 0 0 7
CISCO TECHNOLOGY INC
3 3 0 0 0 0 0 0 0 0 6
THOMSON MULTIMEDIA S A FR
2 2 0 1 0 0 0 0 1 0 6
INTERMEC IP CORP
5 0 0 0 0 0 0 0 0 0 5
QUANTUM CORP
0 0 2 1 1 1 0 0 0 0 5
NATIONALE D'ETUDE ET DE CONSTR DE MOTEURS D'AVIATION FR
0 1 0 0 0 0 2 0 0 0 3
ATLANTIC RICHFIELD CO
0 0 0 0 0 0 1 1 0 0 2
MITSUI MINING & SMELTING CO LTD JP
0 1 0 1 0 0 0 0 0 0 2
MITSUMI ELECTRIC CO LTD JP
0 1 0 0 1 0 0 0 0 0 2
DAIKIN KOGYO CO LTD JP
0 0 0 0 0 0 0 1 0 0 1
DEUTSCHE FORSCHUNGSANSTALT FUR LUFT- UND RAUMFAHRT E V DE
0 0 0 0 0 0 1 0 0 0 1
FANUC LTD JP
0 0 0 0 0 0 0 0 0 1 1
GAS RESEARCH INSTITUTE
0 0 0 0 1 0 0 0 0 0 1
MARYLAND, UNIVERSITY OF
0 0 0 0 1 0 0 0 0 0 1
MASSACHUSETTS, UNIVERSITY OF
0 0 0 0 1 0 0 0 0 0 1
RELIANCE ELECTRIC INDUSTRIAL CO
0 0 0 1 0 0 0 0 0 0 1
Total 25 14 8 7 13 8 9 2 4 1 91