LUCENT TECHNOLOGIES INC. |
32 |
24 |
19 |
45 |
29 |
149 |
FUJITSU LIMITED |
17 |
27 |
33 |
26 |
21 |
124 |
NEC CORPORATION |
27 |
26 |
23 |
23 |
14 |
113 |
NORTEL NETWORKS LIMITED |
16 |
13 |
15 |
17 |
32 |
93 |
ALCATEL |
12 |
20 |
21 |
13 |
24 |
90 |
~Individually Owned Patent |
6 |
7 |
10 |
10 |
9 |
42 |
CIENA CORPORATION |
7 |
10 |
8 |
8 |
4 |
37 |
HITACHI, LTD |
2 |
6 |
6 |
8 |
10 |
32 |
AT&T CORP. |
6 |
1 |
5 |
10 |
9 |
31 |
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. |
1 |
1 |
6 |
10 |
9 |
27 |
SAMSUNG ELECTRONICS CO., LTD. |
4 |
6 |
4 |
4 |
5 |
23 |
INTERNATIONAL BUSINESS MACHINES CORPORATION |
2 |
4 |
7 |
4 |
4 |
21 |
SIEMENS AKTIENGESELLSCHAFT |
3 |
2 |
3 |
4 |
8 |
20 |
AGILENT TECHNOLOGIES, INC. |
0 |
3 |
4 |
6 |
6 |
19 |
BRITISH TELECOMMUNICATION, PLC |
5 |
7 |
5 |
1 |
1 |
19 |
CORVIS CORPORATION |
1 |
3 |
2 |
7 |
5 |
18 |
TELEFONAKTIEBOLAGET LM ERICSSON |
8 |
1 |
2 |
6 |
1 |
18 |
SONY CORPORATION |
2 |
5 |
3 |
6 |
1 |
17 |
UNIVERSITY OF CALIFORNIA, THE REGENTS OF |
1 |
0 |
1 |
6 |
9 |
17 |
SCIENTIFIC-ATLANTA, INC. |
0 |
1 |
9 |
3 |
3 |
16 |
CORNING INCORPORATED |
2 |
1 |
5 |
5 |
2 |
15 |
MCI COMMUNICATIONS CORP. |
8 |
5 |
1 |
0 |
0 |
14 |
NIPPON TELEGRAPH & TELEPHONE CORP. |
1 |
1 |
2 |
4 |
5 |
13 |
OKI ELECTRIC INDUSTRY CO., LTD. |
5 |
2 |
1 |
3 |
2 |
13 |
MASSACHUSETTS INSTITUTE OF TECHNOLOGY |
0 |
2 |
3 |
5 |
2 |
12 |
TRW INC. |
2 |
2 |
6 |
2 |
0 |
12 |
TYCOM (US) INC. |
0 |
4 |
8 |
0 |
0 |
12 |
AVANEX CORPORATION |
0 |
2 |
3 |
2 |
4 |
11 |
CANON KABUSHIKI KAISHA |
3 |
3 |
2 |
3 |
0 |
11 |
NORTHROP GRUMMAN CORPORATION |
1 |
0 |
1 |
5 |
4 |
11 |
TOSHIBA CORPORATION |
4 |
1 |
3 |
1 |
2 |
11 |
UNITED STATES OF AMERICA, NAVY |
4 |
0 |
4 |
1 |
2 |
11 |
WORLDCOM, INC. |
0 |
0 |
4 |
4 |
3 |
11 |
CHORUM TECHNOLOGIES LP |
0 |
3 |
3 |
4 |
0 |
10 |
KOKUSAI DENSHIN DENWA KABUSHIKI KAISHA |
2 |
7 |
1 |
0 |
0 |
10 |
MARCONI COMMUNICATIONS LIMITED |
0 |
3 |
3 |
3 |
1 |
10 |
CISCO PHOTONICS ITALY, S.R.L. |
0 |
1 |
3 |
4 |
1 |
9 |
ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE |
1 |
0 |
4 |
3 |
1 |
9 |
HARRIS CORP. |
2 |
5 |
0 |
1 |
1 |
9 |
INFINEON TECHNOLOGIES AG |
0 |
0 |
2 |
2 |
5 |
9 |
MITSUBISHI DENKI KABUSHIKI KAISHA |
0 |
2 |
1 |
0 |
6 |
9 |
MOTOROLA, INC. |
7 |
0 |
0 |
0 |
2 |
9 |
CHORUM TECHNOLOGIES INC. |
5 |
3 |
0 |
0 |
0 |
8 |
CONTRAVES SPACE AG |
1 |
3 |
2 |
1 |
1 |
8 |
TELCORDIA TECHNOLOGIES, INC. |
3 |
4 |
1 |
0 |
0 |
8 |
TYCO SUBMARINE SYSTEMS LTD. |
6 |
2 |
0 |
0 |
0 |
8 |
TYCO TELECOMMUNICATIONS (US) INC. |
0 |
0 |
1 |
2 |
5 |
8 |
AGERE SYSTEMS OPTOELECTRONICS GUARDIAN CORP. |
0 |
6 |
1 |
0 |
0 |
7 |
CISCO TECHNOLOGY, INC. |
0 |
0 |
1 |
4 |
2 |
7 |
JDS FITEL INC. |
1 |
2 |
1 |
2 |
1 |
7 |
KDD CORPORATION |
0 |
0 |
2 |
3 |
2 |
7 |
SUMITOMO ELECTRIC INDUSTRIES CO., LTD. |
1 |
1 |
1 |
2 |
2 |
7 |
SYCAMORE NETWORKS, INC. |
0 |
0 |
4 |
2 |
1 |
7 |
AGERE SYSTEMS INC. |
0 |
1 |
1 |
3 |
1 |
6 |
ANDO ELECTRIC CO., LTD. |
2 |
3 |
0 |
1 |
0 |
6 |
HUGHES ELECTRONICS CORP. |
0 |
2 |
2 |
1 |
1 |
6 |
KOKUSAI ELECTRIC CO., LTD. |
0 |
0 |
4 |
0 |
2 |
6 |
PIRELLI CAVI E SISTEMI S.P.A. |
1 |
3 |
1 |
1 |
0 |
6 |
SENECA NETWORKS, INC. |
0 |
4 |
2 |
0 |
0 |
6 |
STRATALIGHT COMMUNICATIONS, INC. |
0 |
0 |
3 |
1 |
2 |
6 |
TERABEAM CORPORATION |
0 |
0 |
2 |
0 |
4 |
6 |
3COM CORPORATION |
1 |
1 |
3 |
0 |
0 |
5 |
ADVANTEST CORP. |
0 |
0 |
2 |
0 |
3 |
5 |
AGERE SYSTEMS GUARDIAN CORP. |
0 |
0 |
5 |
0 |
0 |
5 |
BOEING COMPANY |
1 |
0 |
2 |
0 |
2 |
5 |
FUJI XEROX CO., LTD. |
0 |
2 |
1 |
1 |
1 |
5 |
JDS UNIPHASE CORPORATION |
1 |
1 |
2 |
0 |
1 |
5 |
KONINKLIJKE PHILIPS ELECTRONICS N.V. |
0 |
0 |
2 |
2 |
1 |
5 |
KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY |
0 |
0 |
1 |
3 |
1 |
5 |
LOCKHEED MARTIN CORPORATION |
1 |
2 |
2 |
0 |
0 |
5 |
MARCONI COMMUNICATIONS, INC. |
0 |
0 |
1 |
3 |
1 |
5 |
NOKIA NETWORKS OY |
0 |
1 |
4 |
0 |
0 |
5 |
OPNEXT JAPAN, INC. |
0 |
0 |
1 |
2 |
2 |
5 |
SHARP KABUSHIKI KAISHA (SHARP CORPORATION) |
1 |
1 |
2 |
1 |
0 |
5 |
SUN MICROSYSTEMS, INC. |
2 |
1 |
1 |
0 |
1 |
5 |