IFI
Patent Intelligence & Technology Report
Class Distribution for 1990-1999
361 - ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES (IPC H05K, H02H, G06F,
H01G)
1999 1998 1997 1996 1995 1994 1993 1992 1991 1990 Total
SQUARE D CO
16 6 10 5 7 5 11 14 10 13 97
HUBBELL INC
4 3 2 5 7 1 4 5 1 3 35
SCHNEIDER ELECTRIC S A FR
12 12 2 4 0 0 0 0 0 0 30
LAM RESEARCH CORP
2 11 1 0 1 0 0 0 0 0 15
MITSUMI ELECTRIC CO LTD JP
1 0 0 4 0 1 0 1 0 0 7
PACESETTER INC
4 2 1 0 0 0 0 0 0 0 7
AEROSPATIALE SOC NATIONALE INDUSTRIELLE FR
0 1 1 1 1 0 0 0 1 0 5
BERG TECHNOLOGY INC
1 1 0 2 0 0 0 0 0 0 4
FANUC LTD JP
0 1 0 0 0 0 1 0 0 2 4
DEUTSCHE THOMSON-BRANDT GMBH DE
0 0 0 0 0 0 1 1 0 1 3
KOREA TELECOM KR
0 1 0 0 2 0 0 0 0 0 3
QUANTUM CORP
0 0 0 2 0 0 1 0 0 0 3
THOMSON MULTIMEDIA S A FR
0 1 0 0 0 1 1 0 0 0 3
BAYERISCHE MOTOREN WERKE AG DE
0 0 1 1 0 0 0 0 0 0 2
BORG-WARNER AUTOMOTIVE INC
0 0 0 1 0 0 0 0 0 1 2
GAS RESEARCH INSTITUTE
0 0 0 0 0 0 1 0 1 0 2
HITACHI CHEMICAL CO LTD JP
1 0 0 1 0 0 0 0 0 0 2
IMPERIAL CHEMICAL INDUSTRIES LTD GB
0 0 1 0 0 1 0 0 0 0 2
KOITO MANUFACTURING CO LTD JP
0 0 0 0 1 1 0 0 0 0 2
SENSORMATIC ELECTRONICS CORP
1 0 0 0 0 0 1 0 0 0 2
SIEMENS WESTINGHOUSE POWER CORP
2 0 0 0 0 0 0 0 0 0 2
CHARTERED SEMICONDUCTOR MANUFACTURING PTE LTD SG
0 1 0 0 0 0 0 0 0 0 1
DRESSER INDUSTRIES INC
0 0 0 0 0 0 0 0 1 0 1
ENGELHARD CORP
0 0 0 0 0 0 0 0 1 0 1
FRANCE TELECOM S A FR
0 0 0 0 0 1 0 0 0 0 1
Total 44 40 19 26 19 11 21 21 15 20 236