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U.S. PATENT AND TRADEMARK OFFICE
Electronic Information Products Division
Patent Technology Monitoring Branch (PTMB)

Patenting In Technology Classes,
Breakout By Organization

Count of 1969 - 2005 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 2005 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 20 282
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 48 29 12 261
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 24 14 9 261
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 7 260
~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 12 9 12 216
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 19 115
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 7 108
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 14 24 6 100
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 1 98
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 5 4 7 94
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 4 91
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 1 75
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 9 4 12 71
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 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 0 62
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 0 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 4 54
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 0 48
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 5 5 3 43
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 7 2 4 3 2 4 7 0 0 1 2 3 41
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 3 41
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 0 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 0 40
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 2 38
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 2 35
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 0 34
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 5 32
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 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 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 0 28
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 6 28
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 2 27
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 5 24
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 0 24
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 4 23
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 5 23
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 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 0 23
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 2 22
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 0 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 3 0 0 22
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 2 1 2 21
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 3 21
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 0 20
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 0 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 0 18
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 4 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 0 17
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 2 17
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 2 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 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 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 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 0 16
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 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 0 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 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 0 13
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 2 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 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 0 13
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 6 0 0 12
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 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 0 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 0 12
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 7 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 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 0 12
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 0 11
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 2 11
LICENTIA PATENT-VERWALTUNGS-GMBH 0 0 0 0 0 0 0 0 0 0 1 0 0 0 1 3 3 1 0 0 0 0 1 0 0 1 0 0 0 0 0 0 0 0 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 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 0 11
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 5 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 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 0 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 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 1 10
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 3 10
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 2 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 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 0 10
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 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 0 10
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 0 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 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 0 9
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 1 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 0 9
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 2 8
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 0 8
FINISAR 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 0 0 0 0 0 0 0 1 0 0 0 0 1 6 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 0 8
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 1 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 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 0 8
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 1 8
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 3 1 2 8
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 1 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 0 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 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 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 0 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 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 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 0 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 0 7
LIGHTPOINTE 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 1 1 0 1 4 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 0 7
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 1 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 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 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 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 0 7
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 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 0 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 0 6
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 1 6
DORSAL 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 0 1 1 4 6
FITEL U.S.A. 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 2 2 0 2 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 0 6
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 1 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 0 6
NOKIA 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 0 0 4 2 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 0 6
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 1 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 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 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 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 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 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 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 0 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 0 6
TELLABS OPERATIONS 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 0 0 1 0 2 2 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 0 5
ADC TELECOMMUNICATIONS, INC. 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 0 0 0 0 0 0 0 1 2 1 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 0 5
AIR FIBER, 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 1 1 1 2 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 0 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 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 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 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 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 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 0 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 0 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 0 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 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 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 0 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 0 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 0 5
QUANTUM BRIDGE 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 2 1 1 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 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 0 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 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 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 0 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 0 5
ZILOG, 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 2 1 1 0 1 5


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