~Individually Owned Patent |
101 |
71 |
62 |
72 |
56 |
362 |
LUCENT TECHNOLOGIES INC. |
87 |
69 |
74 |
64 |
42 |
336 |
AT&T CORP. |
58 |
77 |
56 |
66 |
66 |
323 |
NORTEL NETWORKS CORPORATION |
0 |
15 |
51 |
44 |
31 |
141 |
SAMSUNG ELECTRONICS CO., LTD. |
34 |
53 |
20 |
10 |
16 |
133 |
MCI COMMUNICATIONS CORP. |
39 |
33 |
20 |
15 |
20 |
127 |
TELEFONAKTIEBOLAGET LM ERICSSON |
17 |
19 |
22 |
21 |
20 |
99 |
NEC CORPORATION |
26 |
16 |
14 |
18 |
18 |
92 |
FUJITSU LIMITED |
21 |
14 |
14 |
25 |
11 |
85 |
SIEMENS INFORMATION AND COMMUNICATIONS NETWORKS, INC. |
0 |
38 |
16 |
14 |
16 |
84 |
NORTHERN TELECOM LIMITED |
24 |
39 |
16 |
2 |
0 |
81 |
ERICSSON, INC. |
21 |
22 |
17 |
11 |
9 |
80 |
AMERITECH CORPORATION |
0 |
12 |
17 |
16 |
32 |
77 |
BELL ATLANTIC NETWORK SERVICES, INC. |
24 |
16 |
15 |
16 |
5 |
76 |
BRITISH TELECOMMUNICATION, PLC |
12 |
12 |
13 |
15 |
10 |
62 |
GENESYS TELECOMMUNICATIONS LABORATORIES, INC. |
2 |
22 |
14 |
13 |
11 |
62 |
INTERNATIONAL BUSINESS MACHINES CORPORATION |
7 |
13 |
9 |
17 |
14 |
60 |
SIEMENS AKTIENGESELLSCHAFT |
8 |
7 |
14 |
10 |
21 |
60 |
AVAYA TECHNOLOGY CORP. |
0 |
0 |
1 |
25 |
27 |
53 |
MOTOROLA, INC. |
19 |
12 |
9 |
1 |
12 |
53 |
CANON KABUSHIKI KAISHA |
18 |
16 |
7 |
4 |
7 |
52 |
ALCATEL USA SOURCING, L.P. |
0 |
9 |
14 |
18 |
10 |
51 |
ALCATEL |
0 |
3 |
15 |
15 |
13 |
46 |
U.S. PHILIPS CORPORATION |
11 |
20 |
11 |
4 |
0 |
46 |
BELLSOUTH INTELLECTUAL PROPERTY MANAGMENT CORPORATION |
0 |
7 |
9 |
11 |
15 |
42 |
HARRIS CORP. |
10 |
8 |
5 |
11 |
3 |
37 |
SONY CORPORATION |
15 |
10 |
6 |
2 |
3 |
36 |
ROCKWELL INTERNATIONAL CORPORATION |
14 |
11 |
4 |
4 |
0 |
33 |
3COM CORPORATION |
1 |
5 |
5 |
8 |
13 |
32 |
ADVANCED MICRO DEVICES, INC. |
9 |
5 |
8 |
6 |
4 |
32 |
NOKIA MOBILE PHONES LTD. |
8 |
7 |
6 |
8 |
3 |
32 |
NOKIA TELECOMMUNICATIONS OY |
3 |
9 |
9 |
5 |
5 |
31 |
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. |
5 |
3 |
3 |
8 |
10 |
29 |
BELLSOUTH CORPORATION |
15 |
11 |
1 |
1 |
0 |
28 |
SPRINT COMMUNICATIONS COMPANY L.P. |
7 |
5 |
3 |
4 |
9 |
28 |
TOSHIBA CORPORATION |
8 |
5 |
3 |
5 |
7 |
28 |
MITEL CORPORATION |
4 |
7 |
6 |
3 |
5 |
25 |
CONEXANT SYSTEMS, INC. |
0 |
1 |
6 |
4 |
13 |
24 |
U.S. WEST INC. |
8 |
9 |
6 |
0 |
1 |
24 |
AGERE SYSTEMS GUARDIAN CORP. |
0 |
0 |
0 |
7 |
16 |
23 |
INTEL CORPORATION |
8 |
5 |
3 |
3 |
4 |
23 |
CISCO TECHNOLOGY, INC. |
0 |
2 |
6 |
6 |
7 |
21 |
PARADYNE CORPORATION |
7 |
2 |
5 |
5 |
2 |
21 |
BROTHER KOGYO KABUSHIKI KAISHA |
5 |
5 |
5 |
3 |
2 |
20 |
MCI WORLDCOM, INC. |
0 |
7 |
3 |
3 |
6 |
19 |
SBC TECHNOLOGY RESOURCES, INC. |
1 |
2 |
5 |
6 |
5 |
19 |
SIEMENS BUSINESS COMMUNICATION SYSTEMS, INC. |
16 |
3 |
0 |
0 |
0 |
19 |
NOKIA NETWORKS OY |
0 |
0 |
0 |
6 |
12 |
18 |
RONALD A. KATZ TECHNOLOGY LICENSING L.P. |
5 |
3 |
4 |
1 |
5 |
18 |
SHARP KABUSHIKI KAISHA (SHARP CORPORATION) |
2 |
3 |
3 |
4 |
6 |
18 |
DAVOX CORPORATION |
5 |
1 |
4 |
3 |
4 |
17 |
QUALCOMM, INC. |
5 |
2 |
3 |
4 |
3 |
17 |
HEWLETT-PACKARD COMPANY |
2 |
3 |
2 |
4 |
5 |
16 |
INTERVOICE LIMITED PARTNERSHIP |
7 |
3 |
2 |
2 |
2 |
16 |
QWEST COMMUNICATIONS INTERNATIONAL INC. |
0 |
0 |
1 |
8 |
7 |
16 |
HITACHI, LTD |
7 |
2 |
0 |
2 |
4 |
15 |
ASPECT TELECOMMUNICATIONS CORPORATION |
3 |
3 |
6 |
1 |
1 |
14 |
SILICON LABORATORIES INC. |
0 |
0 |
4 |
5 |
5 |
14 |
NCR CORPORATION |
3 |
4 |
1 |
3 |
2 |
13 |
NYNEX SCIENCE & TECHNOLOGY, INC. |
7 |
3 |
3 |
0 |
0 |
13 |
TELCORDIA TECHNOLOGIES, INC. |
0 |
7 |
3 |
3 |
0 |
13 |
TEXAS INSTRUMENTS, INCORPORATED |
3 |
3 |
2 |
4 |
1 |
13 |
WORLDCOM, INC. |
0 |
0 |
0 |
0 |
13 |
13 |
MITSUBISHI DENKI KABUSHIKI KAISHA |
3 |
2 |
3 |
2 |
2 |
12 |
STENTOR RESOURCE CENTRE, INC. |
2 |
6 |
3 |
0 |
1 |
12 |
UNISYS CORPORATION |
3 |
1 |
1 |
4 |
3 |
12 |
MUREX SECURITIES, LTD. |
1 |
5 |
2 |
1 |
2 |
11 |
ROCKWELL SEMICONDUCTOR SYSTEMS, INC. |
0 |
4 |
4 |
2 |
1 |
11 |
WALKER DIGITAL, LLC |
0 |
0 |
1 |
8 |
2 |
11 |
A G COMMUNICATION SYSTEMS CORPORATION |
2 |
2 |
3 |
1 |
2 |
10 |
FRANCE TELECOM |
2 |
4 |
1 |
1 |
2 |
10 |
ALCATEL N. V. |
6 |
2 |
1 |
0 |
0 |
9 |
DIALOGIC CORPORATION |
4 |
2 |
0 |
2 |
1 |
9 |
ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE |
4 |
0 |
2 |
1 |
2 |
9 |
HELLO DIRECT, INC. |
0 |
4 |
2 |
2 |
1 |
9 |
LEGERITY, INC. |
0 |
0 |
0 |
5 |
4 |
9 |
MICROSOFT CORPORATION |
0 |
1 |
0 |
1 |
7 |
9 |
OKI ELECTRIC INDUSTRY CO., LTD. |
0 |
2 |
2 |
3 |
2 |
9 |
SNIP, INC. |
2 |
1 |
3 |
1 |
2 |
9 |
TELLABS OPERATIONS INC. |
0 |
0 |
3 |
5 |
1 |
9 |
ANTEC CORPORATION |
3 |
2 |
2 |
1 |
0 |
8 |
BELL CANADA |
1 |
2 |
2 |
1 |
2 |
8 |
BELL COMMUNICATIONS RESEARCH, INC. |
6 |
2 |
0 |
0 |
0 |
8 |
DAEWOO TELECOM CO., LTD. |
3 |
4 |
1 |
0 |
0 |
8 |
HITACHI TELECOM TECHNOLOGIES, LTD. |
1 |
1 |
2 |
1 |
3 |
8 |
INVENTEC CORPORATION |
2 |
2 |
2 |
2 |
0 |
8 |
OCTEL COMMUNICATIONS CORP. |
2 |
3 |
3 |
0 |
0 |
8 |
ULTRATEC, INC. |
1 |
2 |
2 |
2 |
1 |
8 |
WESTELL TECHNOLOGIES, INC. |
0 |
0 |
3 |
4 |
1 |
8 |
DATA RACE, INC. |
0 |
3 |
0 |
3 |
1 |
7 |
NIPPON TELEGRAPH & TELEPHONE CORP. |
1 |
2 |
1 |
2 |
1 |
7 |
SMART TONE AUTHENTICATION, INC. |
4 |
2 |
1 |
0 |
0 |
7 |
TEKNEKRON INFOSWITCH CORPORATION |
1 |
5 |
1 |
0 |
0 |
7 |
WALKER ASSET MANAGEMENT LIMITED PARTNERSHIP |
1 |
4 |
2 |
0 |
0 |
7 |
WINBOND ELECTRONICS CORP. |
0 |
2 |
2 |
2 |
1 |
7 |
ALCATEL ALSTHOM COMPAGNIE GENERALE D'ELECTRICITE |
1 |
4 |
1 |
0 |
0 |
6 |
APROPOS TECHNOLOGY |
0 |
3 |
0 |
1 |
2 |
6 |
CASIO PHONEMATE, INC. |
4 |
2 |
0 |
0 |
0 |
6 |
COMPAQ COMPUTER CORPORATION, INC. |
3 |
1 |
0 |
1 |
1 |
6 |
HOLTEK MICROELECTRONICS INC. |
4 |
2 |
0 |
0 |
0 |
6 |
RICOH COMPANY, LTD. |
0 |
0 |
4 |
0 |
2 |
6 |
SUMMIT TELECOM SYSTEMS, INC. |
0 |
3 |
1 |
1 |
1 |
6 |
TELTREND, INC. |
0 |
5 |
1 |
0 |
0 |
6 |
TERADYNE, INC. |
0 |
2 |
1 |
0 |
3 |
6 |
THOMSON LICENSING S.A. |
0 |
0 |
1 |
2 |
3 |
6 |
VERIZON SERVICES CORP. |
0 |
0 |
0 |
0 |
6 |
6 |
ADTRAN |
2 |
1 |
0 |
2 |
0 |
5 |
ASPECT COMMUNICATIONS CORP. |
0 |
0 |
1 |
1 |
3 |
5 |
AST RESEARCH, INC. |
2 |
2 |
1 |
0 |
0 |
5 |
CALLMANAGE LTD. |
2 |
2 |
1 |
0 |
0 |
5 |
CARRIER ACCESS CORPORATION |
1 |
3 |
1 |
0 |
0 |
5 |
CIDCO INCORPORATED |
3 |
1 |
1 |
0 |
0 |
5 |
CIRRUS LOGIC, INC. |
2 |
2 |
0 |
0 |
1 |
5 |
CONVERGYS CMG UTAH INC. |
0 |
0 |
0 |
3 |
2 |
5 |
CYBIOTRONICS LIMITED |
0 |
1 |
3 |
1 |
0 |
5 |
DISTRIBUTED SOFTWARE DEVELOPMENT, INC. |
0 |
2 |
0 |
1 |
2 |
5 |
KOKUSAI DENSHIN DENWA KABUSHIKI KAISHA |
0 |
3 |
1 |
0 |
1 |
5 |
MATSUSHITA GRAPHIC COMMUNICATION SYSTEMS, INC. |
0 |
0 |
0 |
1 |
4 |
5 |
MEDIAONE GROUP, INC. |
0 |
1 |
2 |
0 |
2 |
5 |
PROTEL, INC. |
3 |
1 |
0 |
1 |
0 |
5 |
QUADRUM TELECOMMUNICATIONS INC. |
1 |
1 |
2 |
1 |
0 |
5 |
ROCKWELL ELECTRONIC COMMERCE CORP. |
0 |
0 |
0 |
2 |
3 |
5 |
SER SOLUTIONS, INC. |
0 |
0 |
0 |
5 |
0 |
5 |
SUN MICROSYSTEMS, INC. |
0 |
1 |
0 |
2 |
2 |
5 |
VERIZON LABORATORIES INC. |
0 |
0 |
0 |
1 |
4 |
5 |