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U.S. PATENT AND TRADEMARK OFFICE
Office of Electronic Information Products
Patent Technology Monitoring Division (PTMD)

Patenting In Technology Classes,
Breakout By Organization

Count of 1969 - 2004 Utility Patent Grants,
By Calendar Year of Grant
With Patent Counts Based on Primary Patent Classification

- Explanation of Data -

Rank Ordered Listing of Organizations Receiving 5 or More Utility Patents During the Period
Having Primary Classification In

Class 398, Optical Communications

( technology class is determined by the primary classification assigned to the patent- see 'Explanation of Data' )
( patent ownership is determined by the first-named assignee listed on a patent )

The following table displays first-named assignees and counts of their associated patents, as distributed by the year of patent grant
First-Named Assignee 1969 1970 1971 1972 1973 1974 1975 1976 1977 1978 1979 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 Total
FUJITSU LIMITED 0 0 0 0 0 0 0 0 0 1 1 1 0 0 0 0 0 0 0 0 4 1 6 10 4 11 11 21 13 28 26 17 27 33 26 21 262
AT&T CORP. 3 6 9 12 3 3 4 1 5 0 1 4 3 2 4 3 5 4 7 10 7 9 24 13 7 28 22 16 0 3 4 6 1 5 10 9 253
NEC CORPORATION 0 1 2 0 0 0 1 0 0 0 0 0 1 1 0 1 1 1 3 2 5 7 8 3 7 14 16 8 10 25 21 27 26 23 23 14 251
LUCENT TECHNOLOGIES INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 6 24 36 31 32 24 19 45 29 246
~Individually Owned Patent 2 1 2 2 1 2 3 1 4 3 3 5 7 4 4 4 9 6 12 6 8 6 7 4 5 9 7 9 7 8 9 6 7 10 10 9 202
SIEMENS AKTIENGESELLSCHAFT 0 0 0 0 1 0 0 0 0 0 0 1 1 3 2 3 10 1 2 8 8 2 6 8 1 6 3 9 1 1 4 3 2 3 4 8 101
BRITISH TELECOMMUNICATION, PLC 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 5 6 7 4 4 5 8 9 7 9 11 5 7 5 1 1 97
NORTEL NETWORKS LIMITED 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3 16 13 15 17 32 96
ALCATEL 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3 12 20 21 13 24 93
HITACHI, LTD 0 0 1 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 2 2 1 1 1 8 3 4 6 11 3 7 3 2 6 6 8 10 87
INTERNATIONAL BUSINESS MACHINES CORPORATION 1 2 0 1 1 0 0 0 0 0 0 0 0 0 1 0 3 2 0 3 3 1 1 8 2 4 0 10 10 5 7 2 4 7 4 4 86
CANON KABUSHIKI KAISHA 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 0 2 4 1 0 3 4 6 7 8 12 8 6 3 3 2 3 0 74
ALCATEL N. V. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3 2 3 2 5 2 14 3 11 3 14 4 0 0 1 0 0 67
KOKUSAI DENSHIN DENWA KABUSHIKI KAISHA 0 0 0 0 0 0 0 0 0 0 0 1 3 2 1 0 0 0 1 2 2 3 0 2 0 0 5 5 2 9 14 2 7 1 0 0 62
CIENA CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5 4 6 6 7 10 8 8 4 58
UNITED STATES OF AMERICA, NAVY 0 1 1 0 1 0 2 0 6 4 1 2 0 0 2 0 1 2 2 1 2 0 2 2 4 2 1 0 2 1 3 4 0 4 1 2 56
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. 0 0 0 0 0 0 4 0 0 0 0 0 0 0 0 0 0 1 0 1 0 1 1 1 1 3 4 3 0 2 1 1 1 6 10 9 50
NORTHERN TELECOM LIMITED 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 1 0 2 1 1 1 1 3 1 2 3 7 7 0 8 7 2 0 0 0 0 48
SCIENTIFIC-ATLANTA, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 2 4 3 6 3 0 2 2 0 1 9 3 3 40
U.S. PHILIPS CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 5 2 0 2 1 1 1 2 3 3 2 5 6 2 2 0 1 0 0 0 40
NIPPON TELEGRAPH & TELEPHONE CORP. 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 1 0 3 4 7 5 2 3 1 1 2 4 5 39
SONY CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 1 1 1 2 1 4 3 1 3 1 1 2 5 3 6 1 38
MOTOROLA, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 1 1 2 6 2 4 3 2 4 7 0 0 0 2 36
TOSHIBA CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 2 1 2 0 1 4 0 3 1 2 2 2 0 4 4 1 3 1 2 36
GTE LABORATORIES, INC. 2 0 0 0 0 0 2 0 0 1 0 0 0 0 0 1 0 0 0 2 0 3 5 4 3 3 1 2 3 1 1 0 0 0 0 0 34
TELEFONAKTIEBOLAGET LM ERICSSON 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 1 0 2 0 1 0 2 0 0 1 3 0 1 2 1 8 1 2 6 1 33
MCI COMMUNICATIONS CORP. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3 4 8 8 5 1 0 0 29
BELL COMMUNICATIONS RESEARCH, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3 0 4 4 4 3 2 3 0 1 0 2 1 1 0 0 0 0 28
HUGHES AIRCRAFT COMPANY 1 1 1 1 0 0 0 5 3 1 1 1 0 0 1 0 0 0 0 0 0 1 5 0 0 2 3 0 1 0 0 0 0 0 0 0 28
SAMSUNG ELECTRONICS CO., LTD. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 2 1 4 6 4 4 5 27
MITSUBISHI DENKI KABUSHIKI KAISHA 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 2 0 1 0 3 2 1 1 2 3 0 2 1 0 6 25
UNITED STATES OF AMERICA, ARMY 0 0 1 0 1 1 1 0 0 1 3 0 0 2 2 0 1 3 1 1 0 0 0 0 0 1 2 0 1 0 1 0 0 1 0 0 24
FRANCE TELECOM 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 2 3 2 8 3 1 2 0 0 0 23
THOMSON-CSF 0 0 0 1 0 0 0 2 0 0 2 0 2 0 1 2 1 1 2 1 1 0 1 0 0 2 0 0 2 0 1 0 0 1 0 0 23
MASSACHUSETTS INSTITUTE OF TECHNOLOGY 0 0 1 0 0 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 1 2 0 0 0 0 0 2 1 1 0 2 3 5 2 22
UNIVERSITY OF CALIFORNIA, THE REGENTS OF 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 0 2 1 0 1 6 9 22
TRW INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 2 1 1 0 0 0 0 1 1 0 1 2 2 6 2 0 21
BOEING COMPANY 0 0 0 0 0 0 1 0 0 0 0 0 1 0 0 0 0 0 0 1 4 3 0 1 0 1 0 0 0 2 1 1 0 2 0 2 20
GENERAL INSTRUMENT CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 4 4 5 2 0 1 1 1 0 0 0 1 0 20
AGILENT TECHNOLOGIES, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3 4 6 6 19
GENERAL ELECTRIC COMPANY 1 0 0 0 0 0 0 0 0 2 0 0 0 0 0 0 2 1 1 1 1 1 2 0 0 1 0 2 0 1 0 0 1 1 0 1 19
OKI ELECTRIC INDUSTRY CO., LTD. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 0 1 1 2 5 2 1 3 2 19
CORNING INCORPORATED 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 1 0 0 0 0 0 0 0 0 0 0 2 1 5 5 2 18
CORVIS CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 3 2 7 5 18
HARRIS CORP. 0 0 0 0 0 0 0 0 0 0 0 0 2 0 1 0 1 0 0 0 0 0 1 0 0 0 0 2 0 1 1 2 5 0 1 1 18
SUMITOMO ELECTRIC INDUSTRIES CO., LTD. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 1 0 0 0 0 0 0 3 1 1 1 2 0 0 1 1 1 2 2 18
ALCATEL CIT 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 3 0 5 2 1 3 0 1 0 1 0 0 0 17
CSELT - CENTRO STUDI E LABORATORI TELECOMUNICAZIONI S.P.A. 0 0 0 0 0 0 0 0 0 0 0 1 2 0 0 0 0 0 1 0 2 0 0 1 1 1 3 2 0 1 1 0 0 0 0 0 16
INTERNATIONAL STANDARD ELECTRIC CORPORATION (ITT CORP. UNIT) 0 0 0 1 0 0 0 0 0 0 3 2 0 1 0 0 3 3 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 16
PIRELLI CAVI S.P.A. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 5 6 2 1 0 0 0 16
UNITED STATES OF AMERICA, AIR FORCE 0 0 0 0 0 2 0 0 0 2 0 1 0 0 0 0 0 0 2 0 0 0 0 1 1 0 1 0 1 0 1 0 2 2 0 0 16
ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 1 3 0 1 0 4 3 1 15
HEWLETT-PACKARD COMPANY 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 1 1 2 0 0 1 0 2 3 1 0 3 0 0 0 0 15
SHARP KABUSHIKI KAISHA (SHARP CORPORATION) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 1 0 0 0 1 5 2 0 0 1 1 2 1 0 15
KONINKLIJKE PTT NEDERLAND N.V. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 4 4 2 1 0 2 0 0 0 0 0 14
NORTHROP GRUMMAN CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 0 1 5 4 14
WESTINGHOUSE ELECTRIC CORP. 0 1 0 0 1 0 1 0 0 1 0 0 1 0 1 0 0 1 4 0 2 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 14
ALCATEL NETWORK SYSTEMS, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 3 1 3 2 1 2 0 0 0 0 0 13
ITT CORPORATION 0 0 0 0 0 1 0 1 2 1 0 3 1 0 0 2 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 13
UNISYS CORPORATION 0 0 0 0 0 0 0 0 0 2 0 3 0 0 0 0 0 0 3 0 0 0 0 0 0 3 1 0 1 0 0 0 0 0 0 0 13
FRANCE TELECOM ESTABLISSEMENT AUTONOME DE DROIT PUBLIC 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 3 3 5 0 0 0 0 0 0 0 0 12
FUJI XEROX CO., LTD. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 1 1 0 1 3 0 2 1 1 1 12
HONEYWELL INC. 1 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 1 2 2 2 0 0 1 0 0 2 0 0 0 0 0 0 12
TYCOM (US) INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 4 8 0 0 12
UNITED STATES OF AMERICA, NATIONAL AERONAUTICS AND SPACE ADMINISTRATION 1 0 1 0 1 0 0 1 1 0 0 0 0 0 0 0 0 0 1 0 0 0 1 0 3 0 0 0 0 0 0 1 1 0 0 0 12
AVANEX CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 3 2 4 11
CHORUM TECHNOLOGIES INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3 5 3 0 0 0 11
RCA CORPORATION 1 0 0 0 0 0 0 0 0 1 0 1 2 0 0 0 2 1 2 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 11
TELCORDIA TECHNOLOGIES, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3 3 4 1 0 0 11
TYCO SUBMARINE SYSTEMS LTD. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3 6 2 0 0 0 11
WORLDCOM, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 4 4 3 11
ANDO ELECTRIC CO., LTD. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 2 1 0 2 3 0 1 0 10
CHORUM TECHNOLOGIES LP 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3 3 4 0 10
JDS FITEL INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 1 0 1 2 1 2 1 10
LICENTIA PATENT-VERWALTUNGS-GMBH 0 0 0 0 0 0 0 0 0 0 1 0 0 0 1 2 3 1 0 0 0 0 1 0 0 1 0 0 0 0 0 0 0 0 0 0 10
MARCONI COMMUNICATIONS LIMITED 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3 3 3 1 10
UNITED STATES OF AMERICA, DEPARTMENT OF ENERGY 0 0 2 1 0 0 0 0 0 1 1 0 0 0 0 0 0 1 0 1 1 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 10
CISCO PHOTONICS ITALY, S.R.L. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 3 4 1 9
DIGITAL EQUIPMENT CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 1 0 1 0 0 4 1 0 0 0 0 9
INFINEON TECHNOLOGIES AG 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 2 5 9
STC PLC 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 2 2 0 2 1 1 0 0 0 0 0 0 0 0 0 0 0 0 9
TEXAS INSTRUMENTS, INCORPORATED 0 1 0 0 0 1 0 0 0 0 1 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 0 0 0 1 2 9
UNITED TECHNOLOGIES CORPORATION 0 0 0 0 0 0 1 0 0 1 0 0 0 0 0 0 1 0 1 1 2 0 0 0 0 1 1 0 0 0 0 0 0 0 0 0 9
ALPS ELECTRIC CO., LTD. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 1 1 1 1 2 1 0 0 8
CONTRAVES SPACE AG 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 3 2 1 1 8
FURUKAWA ELECTRIC CO., LTD. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 2 0 2 2 0 1 0 0 0 8
MCDONNELL DOUGLAS CORP. 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 2 0 2 0 1 0 0 1 0 0 0 0 8
ORTEL CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 3 0 0 1 0 0 2 0 0 0 8
TYCO TELECOMMUNICATIONS (US) INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 2 5 8
UNIVERSAL ELECTRONICS, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 1 1 0 2 0 1 0 0 2 8
VICTOR COMPANY OF JAPAN, LIMITED 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 2 0 0 1 0 2 0 2 0 0 0 8
AGERE SYSTEMS OPTOELECTRONICS GUARDIAN CORP. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 6 1 0 0 7
AMP INCORPORATED 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 2 1 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 7
CISCO TECHNOLOGY, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 4 2 7
COMPAQ COMPUTER CORPORATION, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 1 1 1 2 0 1 0 0 0 7
GPT LTD. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 3 1 1 1 0 0 0 0 0 7
INTERDIGITAL TECHNOLOGY CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 1 0 1 1 1 1 7
KDD CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 3 2 7
KOKUSAI ELECTRIC CO., LTD. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 4 0 2 7
LIGNES TELEGRAPHIQUES ET TELEPHONIQUES STYLED L.T.T. 0 0 0 0 1 0 0 0 0 0 0 0 0 0 3 0 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 7
MITRE CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 1 0 0 0 0 0 1 0 1 0 1 0 1 0 0 0 7
NEC RESEARCH INSTITUTE, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 2 1 1 0 0 1 0 0 7
PRINCETON UNIVERSITY 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 0 0 0 1 0 3 1 0 0 0 0 0 7
ROBERT BOSCH GMBH 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 2 1 0 1 1 1 0 7
ROCKWELL INTERNATIONAL CORPORATION 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 0 0 0 0 1 2 0 0 0 0 0 0 0 0 0 0 7
SYCAMORE NETWORKS, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 4 2 1 7
ADVANTEST CORP. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 2 0 3 6
AGERE SYSTEMS INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 3 1 6
BELL ATLANTIC NETWORK SERVICES, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 4 1 0 0 0 0 6
HUGHES ELECTRONICS CORP. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 2 1 1 6
LOCKHEED MARTIN CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 2 2 0 0 6
MINNESOTA MINING AND MANUFACTURING COMPANY 0 0 0 1 0 0 0 0 0 0 2 1 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 0 0 0 0 0 0 0 0 0 6
OERLIKON-CONTRAVES AG 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 4 1 0 0 1 0 6
PHOTONICS CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 2 0 1 0 0 1 0 0 0 0 0 0 6
PIRELLI CAVI E SISTEMI S.P.A. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 3 1 1 0 6
POLAROID CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 4 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 6
ROHM COMPANY LIMITED 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 1 0 1 2 0 6
SENECA NETWORKS, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 4 2 0 0 6
SINGER COMPANY 0 0 0 0 1 1 0 0 0 0 0 1 2 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 6
STANDARD TELEPHONES AND CABLES PLC 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 4 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 6
STRATALIGHT COMMUNICATIONS, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3 1 2 6
SUN MICROSYSTEMS, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 2 1 1 0 1 6
TERABEAM CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 4 6
3COM CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 3 0 0 5
AGERE SYSTEMS GUARDIAN CORP. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5 0 0 5
ALCATEL ALSTHOM COMPAGNIE GENERALE D'ELECTRICITE 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 1 1 0 0 0 1 5
ALCATEL SUBMARINE NETWORKS, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 1 1 0 1 0 0 5
BRITISH AEROSPACE 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 2 1 0 0 0 1 0 0 0 0 0 0 0 0 5
CALIFORNIA INSTITUTE OF TECHNOLOGY 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 1 0 1 0 0 0 0 1 0 5
FISHER BERKELEY CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 1 0 0 0 0 0 1 2 0 0 0 0 0 0 5
FORD AEROSPACE CORPORATION 1 0 2 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5
HM ELECTRONICS, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 1 1 1 0 0 0 0 0 0 0 0 0 0 5
INTERMEC IP CORP. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3 1 1 0 0 0 5
JDS UNIPHASE CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 2 0 1 5
KONINKLIJKE PHILIPS ELECTRONICS N.V. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 2 1 5
KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 3 1 5
MARCONI COMMUNICATIONS, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 3 1 5
MARTIN-MARIETTA CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 0 0 2 0 0 0 0 0 0 0 0 0 5
MCI WORLDCOM, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 1 0 2 0 0 5
NOKIA MOBILE PHONES LTD. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 0 0 0 1 5
NOKIA NETWORKS OY 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 4 0 0 5
OPLINK COMMUNICATIONS, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 2 0 0 0 2 5
OPNEXT JAPAN, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 2 2 5
PLESSEY OVERSEAS LIMITED 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 3 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5
RAYNET CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 2 1 0 1 0 0 0 0 0 0 0 0 0 5
SOCIETE ANONYME DE TELECOMMUNICATIONS 0 0 0 0 0 0 0 0 0 0 1 0 1 0 0 0 1 1 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 5
SPRINT COMMUNICATIONS COMPANY L.P. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 1 2 1 5
TELLIUM, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 4 0 0 0 5
TREX COMMUNICATIONS CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 0 1 2 0 0 5
UNIVERSITY OF MARYLAND 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 1 1 0 1 5
ZENITH ELECTRONICS CORPORATION 0 1 1 0 1 0 1 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5


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