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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 329, Demodulators

( 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
NEC CORPORATION 0 0 3 0 0 1 0 2 2 4 0 0 3 3 0 0 8 7 3 4 13 1 2 6 3 3 5 1 2 3 5 7 1 2 2 1 97
MOTOROLA, INC. 3 2 3 0 0 1 0 3 1 3 0 3 1 2 1 5 3 5 3 1 2 3 2 1 0 3 5 0 5 2 0 1 0 3 2 0 69
U.S. PHILIPS CORPORATION 0 0 0 3 1 0 1 0 0 0 0 0 1 0 0 3 4 7 1 2 5 5 1 4 0 1 2 2 0 3 1 0 1 0 0 0 48
~Individually Owned Patent 1 1 2 3 1 1 1 1 1 2 0 1 3 0 2 3 3 0 0 1 2 0 3 0 1 2 1 2 1 0 0 1 0 1 0 1 42
GENERAL ELECTRIC COMPANY 2 3 1 0 1 0 0 1 0 0 0 1 0 0 0 0 3 1 2 2 3 1 0 0 0 1 0 1 0 0 0 0 0 1 0 0 24
SONY CORPORATION 0 0 0 0 0 1 0 1 5 1 1 0 0 1 0 0 0 1 0 1 1 0 0 1 1 1 1 1 1 0 0 1 0 0 1 3 24
RCA CORPORATION 1 2 1 6 0 1 1 0 0 1 1 0 4 0 0 2 2 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 23
TOSHIBA CORPORATION 0 0 0 0 0 0 0 0 0 0 2 0 1 0 0 2 2 1 1 0 1 1 1 3 1 1 1 1 1 0 0 1 1 0 0 1 23
UNITED STATES OF AMERICA, NAVY 1 2 3 1 2 2 1 1 2 0 0 0 0 1 1 0 0 0 0 0 0 0 0 2 0 0 0 0 0 0 1 0 0 0 1 0 21
AT&T CORP. 2 2 1 2 1 1 0 4 1 0 0 0 1 0 1 2 0 0 1 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 20
ROCKWELL INTERNATIONAL CORPORATION 2 0 1 0 0 0 1 0 1 0 0 0 1 1 1 1 0 4 0 1 1 1 0 1 0 2 1 0 0 0 0 0 0 0 0 0 20
THOMSON-CSF 0 0 1 0 0 0 0 1 0 1 0 0 1 1 3 3 1 1 0 0 1 1 1 0 0 1 1 0 0 0 0 0 0 0 0 0 18
HITACHI, LTD 0 0 0 0 0 0 0 0 0 0 0 1 0 2 0 0 1 3 1 2 0 1 0 1 1 0 2 0 0 0 0 2 0 0 0 0 17
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. 0 0 1 0 0 1 0 0 0 0 1 0 0 0 0 1 0 1 0 0 0 2 1 1 0 1 1 1 0 0 1 0 1 0 2 0 16
MITSUBISHI DENKI KABUSHIKI KAISHA 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 1 1 0 0 0 2 1 1 1 1 1 0 0 1 2 2 15
INTERNATIONAL BUSINESS MACHINES CORPORATION 1 0 3 1 0 3 1 0 0 1 0 0 0 0 0 0 0 0 0 0 2 0 0 0 0 0 0 1 0 0 0 1 0 0 0 0 14
WESTINGHOUSE ELECTRIC CORP. 1 0 2 0 0 1 1 1 0 1 0 0 0 2 0 0 3 1 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 14
SHARP KABUSHIKI KAISHA (SHARP CORPORATION) 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 1 0 0 0 0 1 2 0 1 1 0 2 1 0 2 0 1 0 0 13
SIEMENS AKTIENGESELLSCHAFT 1 0 1 0 2 0 0 2 0 0 0 0 1 0 0 1 1 2 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 13
ZENITH ELECTRONICS CORPORATION 1 0 1 1 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 4 2 0 2 0 0 0 0 13
UNITED STATES OF AMERICA, NATIONAL AERONAUTICS AND SPACE ADMINISTRATION 1 3 0 0 0 0 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 1 2 0 0 0 0 0 0 0 0 0 1 0 0 0 11
FUJITSU LIMITED 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 0 1 0 0 0 1 0 1 1 0 0 0 1 1 2 0 0 0 10
HARRIS CORP. 0 0 0 0 0 0 0 0 0 4 0 0 0 0 0 0 1 3 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 1 10
VICTOR COMPANY OF JAPAN, LIMITED 0 0 0 0 0 2 0 1 0 2 1 1 1 1 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 10
INTERNATIONAL STANDARD ELECTRIC CORPORATION (ITT CORP. UNIT) 1 3 4 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 0 0 0 9
ITT CORPORATION 0 0 1 4 0 0 0 0 1 0 0 0 1 0 0 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 9
HEWLETT-PACKARD COMPANY 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3 0 1 3 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 8
HUGHES AIRCRAFT COMPANY 0 1 1 0 1 0 0 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3 0 0 0 0 0 0 0 0 8
TELEFONAKTIEBOLAGET LM ERICSSON 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 1 0 2 2 1 0 1 8
TRW INC. 0 0 1 0 0 1 0 0 1 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 0 8
UNISYS CORPORATION 0 2 0 1 0 0 0 0 0 0 0 0 1 1 0 2 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 8
KOKUSAI DENSHIN DENWA KABUSHIKI KAISHA 0 0 1 2 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 7
PIONEER ELECTRONIC CORPORATION 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 1 0 2 1 0 1 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 7
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 1 0 0 2 0 1 1 0 0 0 0 2 0 7
SANYO ELECTRIC CO., LTD. 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 1 0 0 1 0 0 0 1 0 0 2 1 0 0 7
SOCIETA ITALIANA TELECOMUNICAZIONI SIEMENS S.P.A. 1 1 0 1 0 0 0 1 1 0 0 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 7
TEXAS INSTRUMENTS, INCORPORATED 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 1 0 0 1 1 1 0 1 1 0 0 0 0 7
COLLINS RADIO COMPANY 3 1 0 0 1 1 0 0 0 0 0 0 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
HONEYWELL INC. 0 1 0 1 0 0 0 0 0 0 0 0 0 0 0 2 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 6
NATIONAL SEMICONDUCTOR CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 2 1 0 0 1 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0 6
NORTHERN TELECOM LIMITED 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 1 1 0 0 2 1 0 0 0 0 0 0 0 0 6
PLESSEY OVERSEAS LIMITED 0 0 0 0 0 0 0 0 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 6
ATMEL 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 0 1 0 5
CANON KABUSHIKI KAISHA 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 0 0 0 1 0 0 1 0 0 0 0 0 0 0 0 0 5
R F L INDUSTRIES, INC. 0 0 0 0 0 1 3 0 1 0 0 0 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
UNITED STATES OF AMERICA, AIR FORCE 0 0 0 0 0 0 2 0 0 0 1 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 5


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