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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 332, Modulators

( 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
MOTOROLA, INC. 0 0 5 0 1 0 0 1 1 1 1 0 1 1 2 3 5 1 0 3 2 2 6 3 1 4 7 2 0 1 0 5 1 1 5 1 67
~Individually Owned Patent 0 2 4 2 0 4 2 2 3 0 0 2 3 0 2 3 2 1 0 0 0 2 3 1 0 1 5 3 0 2 1 1 2 0 1 0 54
NEC CORPORATION 0 0 3 0 0 0 0 1 0 1 0 0 0 0 0 2 1 0 2 4 1 1 1 0 1 4 6 4 0 2 4 1 1 1 0 0 41
AT&T CORP. 6 4 6 5 3 1 2 0 3 1 1 1 1 0 0 1 0 1 0 0 0 0 0 1 0 1 1 1 0 0 0 0 0 0 0 0 40
RCA CORPORATION 1 0 3 2 1 0 2 2 2 5 0 3 1 0 0 0 2 2 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 27
U.S. PHILIPS CORPORATION 0 0 2 0 0 0 1 1 1 0 2 1 1 1 0 1 1 1 0 4 2 0 0 1 0 0 0 0 1 0 0 1 2 0 0 0 24
GENERAL ELECTRIC COMPANY 1 1 3 1 1 0 0 0 0 1 0 0 1 0 0 1 3 2 0 0 2 2 0 1 0 0 0 0 0 0 0 0 0 0 0 0 20
HEWLETT-PACKARD COMPANY 0 0 0 0 1 0 0 1 0 0 0 0 0 1 0 1 1 3 0 1 3 1 1 3 0 0 0 0 2 0 1 0 0 0 0 0 20
UNITED STATES OF AMERICA, NAVY 1 3 1 0 2 2 2 0 1 0 0 0 0 1 1 0 2 1 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 18
SONY CORPORATION 0 0 0 0 0 0 1 3 0 0 0 0 0 0 0 0 0 1 1 0 1 0 0 1 1 0 2 1 1 0 0 0 2 1 0 0 16
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 1 2 1 1 0 3 1 3 0 0 0 1 1 1 15
TOSHIBA CORPORATION 1 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 3 1 0 1 0 0 1 0 0 1 0 1 0 2 0 0 0 0 1 1 14
HARRIS CORP. 0 0 0 0 0 0 1 0 0 1 0 1 1 0 0 0 1 1 1 0 0 1 0 0 0 0 1 0 0 2 0 0 1 0 1 0 13
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 1 5 2 0 1 1 1 1 0 1 0 0 13
FUJITSU LIMITED 0 1 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 2 0 0 1 0 0 0 0 1 0 0 0 3 1 1 0 0 0 1 12
HUGHES AIRCRAFT COMPANY 0 0 2 0 1 0 2 0 1 0 0 1 0 0 0 0 0 0 0 0 1 0 0 2 1 1 0 0 0 0 0 0 0 0 0 0 12
INTERNATIONAL BUSINESS MACHINES CORPORATION 1 2 0 0 1 1 0 3 1 1 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 11
ROCKWELL INTERNATIONAL CORPORATION 0 0 0 0 0 0 0 0 0 0 1 1 0 1 0 0 1 1 3 0 0 0 1 0 1 1 0 0 0 0 0 0 0 0 0 0 11
SIEMENS AKTIENGESELLSCHAFT 0 1 2 0 0 0 1 1 0 0 0 0 1 0 0 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 2 0 11
TELEFONAKTIEBOLAGET LM ERICSSON 2 1 1 1 1 0 0 1 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 1 1 11
UNITED STATES OF AMERICA, ARMY 3 0 1 2 1 0 1 0 0 0 0 0 0 0 1 0 1 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 11
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. 0 0 0 0 1 1 0 0 2 0 0 0 1 0 0 0 0 0 0 0 2 1 0 0 0 1 0 0 0 0 0 0 1 0 0 0 10
ALPS ELECTRIC CO., LTD. 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 1 2 0 1 0 0 0 0 0 0 0 0 1 1 1 0 0 0 8
COLLINS RADIO COMPANY 0 1 1 2 3 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 8
MURATA MANUFACTURING 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 0 1 2 1 2 0 1 0 0 0 8
THOMSON-CSF 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 3 0 0 0 0 0 0 0 0 0 2 0 1 1 0 0 0 0 0 0 8
GTE PRODUCTS CORPORATION 2 0 2 0 0 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 0 0 0 7
SANYO ELECTRIC CO., LTD. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 2 1 1 1 0 0 0 0 1 0 0 0 0 0 7
TEXAS INSTRUMENTS, INCORPORATED 0 0 0 0 0 1 0 1 0 1 0 0 0 0 0 0 0 0 0 1 0 0 0 0 1 0 0 0 0 0 1 0 1 0 0 0 7
HITACHI, LTD 0 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 0 1 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 6
ITT CORPORATION 0 1 0 0 0 1 0 1 1 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 6
SHARP KABUSHIKI KAISHA (SHARP CORPORATION) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 3 0 0 0 0 0 1 0 0 0 0 0 1 6
TRW INC. 0 1 1 0 0 0 1 0 0 0 0 0 1 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 1 0 0 0 0 0 0 6
ACRODYNE INDUSTRIES, INCORPORATED 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 2 0 0 0 0 0 0 0 0 0 5
ANALOG DEVICES, 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 3 0 0 0 0 0 0 0 0 0 2 0 5
CANON KABUSHIKI KAISHA 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 1 0 0 1 0 0 1 0 5
COMMUNICATIONS SATELLITE CORPORATION 1 0 0 0 0 0 0 0 1 0 0 0 0 1 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5
INTERNATIONAL STANDARD ELECTRIC CORPORATION (ITT CORP. UNIT) 1 0 2 0 0 0 1 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 0 5
KABUSHIKI KAISHA KENWOOD 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 2 0 1 0 0 0 0 0 0 0 0 1 0 0 5
MARCONI INSTRUMENTS LIMITED 0 0 0 0 1 0 0 0 0 0 0 0 0 2 0 0 1 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5
MITSUBISHI DENKI KABUSHIKI KAISHA 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 0 0 0 1 0 0 0 0 0 5
OKI ELECTRIC INDUSTRY CO., LTD. 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 0 0 0 1 1 1 1 0 0 0 5
RAYTHEON COMPANY 0 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 1 0 0 0 0 0 0 5
UNITED STATES OF AMERICA, AIR FORCE 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 0 0 0 0 0 0 0 1 0 1 0 0 0 0 0 0 5


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