~Individually Owned Patent |
310 |
299 |
263 |
257 |
201 |
1330 |
INTERNATIONAL BUSINESS MACHINES CORPORATION |
248 |
202 |
264 |
249 |
238 |
1201 |
ERICSSON, INC. |
172 |
158 |
121 |
74 |
44 |
569 |
NORTH CAROLINA STATE UNIVERSITY |
30 |
32 |
40 |
34 |
36 |
172 |
DUKE UNIVERSITY |
40 |
29 |
30 |
18 |
22 |
139 |
UNIVERSITY OF NORTH CAROLINA |
34 |
20 |
26 |
20 |
28 |
128 |
CISCO TECHNOLOGY, INC. |
12 |
15 |
26 |
28 |
38 |
119 |
CORNING CABLE SYSTEMS LLC |
4 |
27 |
32 |
29 |
25 |
117 |
ALCATEL |
27 |
26 |
22 |
16 |
21 |
112 |
CREE, INC. |
10 |
10 |
19 |
23 |
26 |
88 |
NORTEL NETWORKS LIMITED |
15 |
11 |
22 |
23 |
16 |
87 |
GENERAL ELECTRIC COMPANY |
21 |
30 |
19 |
9 |
6 |
85 |
TYCO ELECTRONICS CORPORATION |
13 |
11 |
20 |
16 |
16 |
76 |
SMITHKLINE BEECHAM CORPORATION |
1 |
20 |
25 |
16 |
10 |
72 |
LORD CORPORATION |
15 |
15 |
16 |
6 |
11 |
63 |
E. I. DU PONT DE NEMOURS AND COMPANY |
8 |
12 |
16 |
13 |
9 |
58 |
INFINEON TECHNOLOGIES AG |
0 |
1 |
7 |
21 |
29 |
58 |
ANALOG DEVICES, INC. |
11 |
3 |
16 |
16 |
10 |
56 |
GILBARCO, INC. |
1 |
9 |
13 |
21 |
11 |
55 |
RF MICRO DEVICES, INC. |
9 |
9 |
9 |
20 |
8 |
55 |
DIGITAL OPTICS CORPORATION |
4 |
13 |
15 |
10 |
10 |
52 |
TELEFONAKTIEBOLAGET LM ERICSSON |
14 |
9 |
7 |
7 |
13 |
50 |
MICELL TECHNOLOGIES, INC. |
16 |
7 |
13 |
8 |
4 |
48 |
CLOSURE MEDICAL CORPORATION |
7 |
15 |
12 |
8 |
4 |
46 |
DANA CORPORATION |
15 |
8 |
5 |
12 |
3 |
43 |
POLYMER GROUP, INC. |
4 |
4 |
7 |
15 |
11 |
41 |
VOLVO TRUCKS NORTH AMERICA, INC. |
0 |
7 |
10 |
14 |
7 |
38 |
SARA LEE CORPORATION |
7 |
5 |
7 |
12 |
6 |
37 |
WAKE FOREST UNIVERSITY |
10 |
4 |
8 |
11 |
3 |
36 |
GLAXO WELLCOME INC. |
30 |
5 |
0 |
0 |
0 |
35 |
CORNING INCORPORATED |
10 |
9 |
7 |
5 |
3 |
34 |
BASF CORP. |
12 |
13 |
4 |
3 |
1 |
33 |
CEM CORPORATION |
13 |
2 |
7 |
4 |
7 |
33 |
SYNGENTA PARTICIPATIONS AG |
12 |
7 |
6 |
5 |
3 |
33 |
FMC CORPORATION |
11 |
6 |
5 |
6 |
3 |
31 |
NOBEX CORPORATION |
1 |
4 |
8 |
11 |
7 |
31 |
BECTON, DICKINSON AND COMPANY |
3 |
4 |
7 |
8 |
8 |
30 |
CATERPILLAR INC. |
8 |
10 |
6 |
3 |
3 |
30 |
SQUARE D COMPANY |
9 |
9 |
6 |
5 |
1 |
30 |
EATON CORPORATION |
8 |
7 |
5 |
7 |
2 |
29 |
RESEARCH TRIANGLE INSTITUTE |
6 |
3 |
10 |
5 |
5 |
29 |
INSPIRE PHARMACEUTICALS, INC. |
4 |
5 |
4 |
6 |
9 |
28 |
PTS CORPORATION |
0 |
0 |
2 |
12 |
14 |
28 |
MARCONI COMMERCE SYSTEMS INC. |
16 |
11 |
0 |
0 |
0 |
27 |
MEDI-PHYSICS, INC. |
7 |
8 |
8 |
3 |
1 |
27 |
TARGACEPT, INC. |
4 |
9 |
7 |
1 |
6 |
27 |
ZF MERITOR, L.L.C. |
9 |
9 |
2 |
3 |
4 |
27 |
MCNC |
6 |
8 |
7 |
4 |
1 |
26 |
ICAGEN, INC. |
4 |
6 |
5 |
6 |
4 |
25 |
TEKELEC |
2 |
1 |
4 |
6 |
12 |
25 |
BOPS, INC. |
6 |
14 |
3 |
0 |
0 |
23 |
JDS UNIPHASE CORPORATION |
2 |
13 |
5 |
3 |
0 |
23 |
ABB TECHNOLOGY AG |
0 |
2 |
9 |
6 |
5 |
22 |
EMC CORPORATION |
2 |
3 |
2 |
10 |
5 |
22 |
PARADIGM GENETICS, INC. |
2 |
6 |
6 |
8 |
0 |
22 |
ABB POWER T&D COMPANY INC. |
20 |
1 |
0 |
0 |
0 |
21 |
ARTEVA NORTH AMERICA S.A.R.L. |
8 |
4 |
6 |
2 |
0 |
20 |
EMBREX INC. |
6 |
1 |
7 |
4 |
2 |
20 |
WELLMAN INC. |
6 |
4 |
5 |
5 |
0 |
20 |
ELSTER ELECTRICITY, LLC |
0 |
0 |
4 |
8 |
7 |
19 |
HONDA GIKEN KOGYO KABUSHIKI KAISHA (HONDA MOTOR CO., LTD.) |
1 |
1 |
3 |
8 |
6 |
19 |
KENDRO LABORATORY PRODUCTS, INC. |
0 |
3 |
3 |
4 |
9 |
19 |
COMMSCOPE PROPERTIES, LLC |
5 |
2 |
2 |
5 |
4 |
18 |
DEERE + COMPANY |
3 |
3 |
3 |
4 |
5 |
18 |
INGERSOLL-RAND COMPANY |
4 |
6 |
4 |
2 |
2 |
18 |
INTEL CORPORATION |
0 |
3 |
5 |
7 |
3 |
18 |
R. J. REYNOLDS TOBACCO COMPANY |
3 |
8 |
2 |
2 |
3 |
18 |
BELLSOUTH INTELLECTUAL PROPERTY CORPORATION |
0 |
0 |
2 |
8 |
7 |
17 |
CLARIANT FINANCE (BVI) LIMITED |
3 |
2 |
6 |
5 |
1 |
17 |
RHONE-POULENC INC. |
5 |
9 |
3 |
0 |
0 |
17 |
AKZO NOBEL NV |
7 |
3 |
2 |
1 |
3 |
16 |
ARVIN TECHNOLOGIES, INC. |
0 |
1 |
2 |
6 |
7 |
16 |
CELGARD INC. |
5 |
4 |
3 |
4 |
0 |
16 |
JDS UNIPHASE INC. |
11 |
4 |
1 |
0 |
0 |
16 |
NEWELL WINDOW FURNISHINGS, INC. |
2 |
1 |
10 |
3 |
0 |
16 |
SIECOR OPERATIONS, LLC |
15 |
1 |
0 |
0 |
0 |
16 |
TRIMERIS, INC. |
3 |
5 |
5 |
1 |
2 |
16 |
DAY INTERNATIONAL, INC. |
4 |
0 |
3 |
6 |
2 |
15 |
INTERSIL AMERICAS INC. |
0 |
1 |
1 |
9 |
4 |
15 |
VARIAN, INC. |
1 |
4 |
5 |
3 |
2 |
15 |
ADC DSL SYSTEMS, INC. |
0 |
0 |
3 |
6 |
5 |
14 |
B/E AEROSPACE INCORPORATED |
1 |
2 |
1 |
8 |
2 |
14 |
DELAWARE CAPITAL FORMATION, INC. |
1 |
0 |
5 |
3 |
5 |
14 |
GRASS AMERICA, INC. |
4 |
4 |
3 |
2 |
1 |
14 |
MTS SYSTEMS CORPORATION |
2 |
4 |
5 |
3 |
0 |
14 |
POWERWARE CORPORATION |
4 |
4 |
3 |
2 |
1 |
14 |
ABB, INC. |
0 |
5 |
5 |
2 |
1 |
13 |
CHARLOTTE-MECKLENBURG HOSPITAL AUTHORITY |
1 |
1 |
5 |
3 |
3 |
13 |
HICKORY SPRINGS MANUFACTURING COMPANY, INC. |
0 |
1 |
3 |
5 |
4 |
13 |
REICHHOLD, INC. |
2 |
7 |
1 |
2 |
1 |
13 |
VESTURE CORPORATION |
5 |
5 |
2 |
0 |
1 |
13 |
BASF AKTIENGESELLSCHAFT |
1 |
2 |
3 |
2 |
4 |
12 |
BELL & HOWELL MAIL & MESSAGING TECHNOLOGIES CO. |
2 |
2 |
5 |
3 |
0 |
12 |
CATERPILLAR S.A.R.L. |
6 |
1 |
3 |
0 |
2 |
12 |
ELECTRIC POWER RESEARCH INSTITUTE, INC. |
4 |
2 |
2 |
2 |
2 |
12 |
MICROBAN PRODUCTS COMPANY |
3 |
1 |
3 |
1 |
4 |
12 |
SONY ERICSSON MOBILE COMMUNICATIONS AB |
0 |
0 |
0 |
3 |
9 |
12 |
TROXLER ELECTRONIC LABORATORIES, INC. |
1 |
5 |
3 |
0 |
3 |
12 |
ZIPTRONIX, INC. |
0 |
2 |
2 |
3 |
5 |
12 |
ABB AUTOMATION, INC. |
0 |
8 |
3 |
0 |
0 |
11 |
AVENTIS CROPSCIENCE S.A. |
2 |
3 |
5 |
1 |
0 |
11 |
INDIAN HEAD INDUSTRIES, INC. |
5 |
3 |
0 |
1 |
2 |
11 |
PPG INDUSTRIES OHIO INC. |
2 |
1 |
4 |
1 |
3 |
11 |
SAS INSTITUTE, INC. |
0 |
1 |
3 |
2 |
5 |
11 |
STATIC CONTROL COMPONENTS, INC. |
1 |
1 |
0 |
4 |
5 |
11 |
TENN-TEX PLASTICS, INC. |
0 |
4 |
3 |
2 |
2 |
11 |
WORLDCOM, INC. |
0 |
5 |
2 |
3 |
1 |
11 |
AYLWARD ENTERPRISES, INC. |
3 |
2 |
2 |
2 |
1 |
10 |
BORGWARNER INC. |
0 |
3 |
1 |
2 |
4 |
10 |
BURLINGTON INDUSTRIES, INC. |
3 |
4 |
3 |
0 |
0 |
10 |
CONAGRA FOODS INC. |
0 |
0 |
0 |
6 |
4 |
10 |
CONBRACO INDUSTRIES, INC. |
2 |
4 |
0 |
1 |
3 |
10 |
DELTA ELECTRONICS INC. |
3 |
3 |
1 |
0 |
3 |
10 |
EAST CAROLINA UNIVERSITY |
1 |
3 |
2 |
2 |
2 |
10 |
KENNAMETAL INC. |
1 |
0 |
5 |
1 |
3 |
10 |
SIEMENS MEDICAL SOLUTIONS USA, INC. |
1 |
4 |
2 |
2 |
1 |
10 |
THERMACO, INC. |
1 |
4 |
2 |
1 |
2 |
10 |
ZF SACHS AG |
0 |
0 |
0 |
6 |
4 |
10 |
IEP PHARMACEUTICAL DEVICES INC. |
2 |
1 |
5 |
1 |
0 |
9 |
INTERSIL CORPORATION, INC. |
5 |
0 |
1 |
1 |
2 |
9 |
L&P PROPERTY MANAGEMENT COMPANY |
4 |
1 |
0 |
4 |
0 |
9 |
MITSUBISHI ELECTRIC & ELECTRONICS USA, INC |
4 |
3 |
1 |
0 |
1 |
9 |
SEALY TECHNOLOGY LLC |
1 |
1 |
1 |
5 |
1 |
9 |
SEMTECH CORPORATION |
1 |
3 |
2 |
3 |
0 |
9 |
SILICON SEMICONDUCTOR CORPORATION |
0 |
0 |
4 |
5 |
0 |
9 |
SONOCO DEVELOPMENT, INC. |
4 |
2 |
1 |
1 |
1 |
9 |
SPX CORPORATION |
6 |
2 |
1 |
0 |
0 |
9 |
ADSTRACTS INC. |
0 |
0 |
3 |
3 |
2 |
8 |
AKEVA, L.L.C. |
2 |
0 |
2 |
0 |
4 |
8 |
ATI PROPERTIES, INC. |
0 |
3 |
2 |
3 |
0 |
8 |
BSN MEDICAL, INC. |
1 |
3 |
1 |
3 |
0 |
8 |
HONEYWELL INTERNATIONAL INC. |
0 |
0 |
1 |
3 |
4 |
8 |
INDUSTRIAL MICROWAVE SYSTEMS, L.L.C. |
3 |
1 |
1 |
2 |
1 |
8 |
INSTROTEK, INC. |
1 |
0 |
3 |
4 |
0 |
8 |
LUCENT TECHNOLOGIES INC. |
4 |
0 |
1 |
2 |
1 |
8 |
MANTISSA CORPORATION |
2 |
3 |
0 |
2 |
1 |
8 |
REGENT LIGHTING CORPORATION |
7 |
1 |
0 |
0 |
0 |
8 |
RELIANCE ELECTRIC TECHNOLOGIES, LLC |
4 |
0 |
1 |
3 |
0 |
8 |
SUPREME ELASTIC CORPORATION |
2 |
6 |
0 |
0 |
0 |
8 |
UNITIVE INTERNATIONAL LIMITED |
1 |
3 |
0 |
2 |
2 |
8 |
BAYER CORPORATION |
1 |
4 |
2 |
0 |
0 |
7 |
ENDURA PRODUCTS, INC. |
1 |
2 |
2 |
2 |
0 |
7 |
GENERAL DYNAMICS ADVANCED INFORMATION SYSTEMS, INC |
0 |
0 |
0 |
1 |
6 |
7 |
GLOBAL NUCLEAR FUEL -- AMERICAS, LLC |
0 |
1 |
3 |
2 |
1 |
7 |
GSLE DEVELOPMENT CORPORATION |
0 |
0 |
3 |
2 |
2 |
7 |
INNOVATIVE DEVICES, LLC |
0 |
1 |
2 |
2 |
2 |
7 |
IPAC ACQUISITION SUBSIDIARY I, LLC |
0 |
1 |
1 |
2 |
3 |
7 |
LITTON SYSTEMS INC. |
1 |
2 |
2 |
1 |
1 |
7 |
MASONITE CORPORATION |
1 |
0 |
2 |
1 |
3 |
7 |
MEDACOUSTICS, INC. |
4 |
1 |
1 |
0 |
1 |
7 |
MEDIWAVE STAR TECHNOLOGY, INC. |
0 |
1 |
5 |
1 |
0 |
7 |
MICROCELL CORPORATION |
0 |
6 |
0 |
0 |
1 |
7 |
MOBILE SATELLITE VENTURES LP |
0 |
0 |
0 |
2 |
5 |
7 |
NOVOZYMES A/S |
1 |
0 |
5 |
0 |
1 |
7 |
RENESAS TECHNOLOGY AMERICA, INC |
0 |
0 |
1 |
5 |
1 |
7 |
ROSTRA PRECISION CONTROLS, INC. |
2 |
5 |
0 |
0 |
0 |
7 |
SDGI HOLDINGS, INC. |
2 |
1 |
1 |
0 |
3 |
7 |
TEXAS INSTRUMENTS, INCORPORATED |
2 |
0 |
1 |
2 |
2 |
7 |
THERMA-WAVE, INC. |
3 |
2 |
1 |
1 |
0 |
7 |
VEHICLE ENHANCEMENT SYSTEMS, INC. |
1 |
2 |
2 |
1 |
1 |
7 |
3TEX, INC. |
3 |
3 |
0 |
0 |
0 |
6 |
ABB POWER AUTOMATION LTD. |
0 |
2 |
0 |
4 |
0 |
6 |
ABB T&D TECHNOLOGY LTD. |
4 |
2 |
0 |
0 |
0 |
6 |
ABT, INC. |
1 |
1 |
2 |
0 |
2 |
6 |
ADVANCED CARDIOVASCULAR SYSTEMS, INC. |
2 |
1 |
1 |
1 |
1 |
6 |
AFFYMETRIX, INC. |
3 |
2 |
1 |
0 |
0 |
6 |
ARTECEL SCIENCES, INC. |
0 |
3 |
2 |
0 |
1 |
6 |
ATI INDUSTRIAL AUTOMATION, INC. |
0 |
1 |
1 |
1 |
3 |
6 |
BANNER PHARMACAPS INC. |
4 |
0 |
0 |
1 |
1 |
6 |
BASF PLANT SCIENCE GMBH |
0 |
0 |
0 |
5 |
1 |
6 |
CHANNEL MASTER LLC |
5 |
0 |
1 |
0 |
0 |
6 |
CHEMETALL FOOTE CORPORATION |
2 |
1 |
0 |
0 |
3 |
6 |
CIRRUS LOGIC, INC. |
5 |
1 |
0 |
0 |
0 |
6 |
CLEARLINE SYSTEMS, INC. |
3 |
1 |
2 |
0 |
0 |
6 |
COOPER BRANDS, INC. |
2 |
1 |
0 |
3 |
0 |
6 |
DELTAGEN, INC. |
0 |
0 |
0 |
3 |
3 |
6 |
FOLIA, INC. |
0 |
0 |
0 |
3 |
3 |
6 |
GLEN RAVEN, INC. |
0 |
2 |
1 |
2 |
1 |
6 |
INCUMED, INC. |
0 |
0 |
0 |
3 |
3 |
6 |
NETIQ CORPORATION |
0 |
2 |
1 |
2 |
1 |
6 |
NEW LIFE PHARMACEUTICALS INC. |
2 |
2 |
1 |
0 |
1 |
6 |
OVERTURE NETWORKS, INC. |
0 |
0 |
1 |
4 |
1 |
6 |
PRIME/HOME IMPRESSIONS, LLC |
0 |
4 |
1 |
1 |
0 |
6 |
REMOTELIGHT, INC. |
0 |
2 |
1 |
3 |
0 |
6 |
RODEL HOLDINGS INC. |
1 |
5 |
0 |
0 |
0 |
6 |
UNITED STATES OF AMERICA, HEALTH & HUMAN SERVICES |
0 |
1 |
2 |
2 |
1 |
6 |
WORLD FIBERS, INC. |
1 |
0 |
2 |
3 |
0 |
6 |
AT&T CORP. |
4 |
1 |
0 |
0 |
0 |
5 |
AXON CORPORATION |
1 |
0 |
1 |
1 |
2 |
5 |
BELMONT TEXTILE MACHINERY CO., INC. |
1 |
3 |
1 |
0 |
0 |
5 |
CREE MICROWAVE, INC. |
0 |
0 |
0 |
5 |
0 |
5 |
ELI LILLY AND COMPANY |
0 |
2 |
0 |
2 |
1 |
5 |
ELUMENS CORPORATION |
1 |
0 |
2 |
1 |
1 |
5 |
FIELD CONTROLS, L.L.C. |
0 |
0 |
2 |
3 |
0 |
5 |
FLEXCELL INTERNATIONAL CORPORATION |
1 |
1 |
2 |
1 |
0 |
5 |
FLOW SCIENCE, INC. |
1 |
1 |
1 |
0 |
2 |
5 |
GASTON SYSTEMS, INC. |
0 |
2 |
1 |
1 |
1 |
5 |
INFINEON TECHNOLOGIES NORTH AMERICA CORP. |
0 |
0 |
0 |
1 |
4 |
5 |
INVISTA NORTH AMERICA S.A.R.L. |
0 |
0 |
0 |
2 |
3 |
5 |
KAY CHEMICAL, INC. |
0 |
0 |
2 |
3 |
0 |
5 |
KONINKLIJKE PHILIPS ELECTRONICS N.V. |
0 |
1 |
2 |
2 |
0 |
5 |
L.B. (PLASTICS) LIMITED |
3 |
2 |
0 |
0 |
0 |
5 |
MEMSCAP S.A. |
0 |
0 |
4 |
0 |
1 |
5 |
MIDDLEBY MARSHALL INC. |
1 |
1 |
0 |
2 |
1 |
5 |
MIDREX INTERNATIONAL BV ROTTERDAM, ZURICH BRANCH |
2 |
2 |
1 |
0 |
0 |
5 |
MILLIKEN & COMPANY |
0 |
3 |
1 |
0 |
1 |
5 |
MORRIS ASSOCIATES, INC. |
1 |
0 |
1 |
1 |
2 |
5 |
NOMACORC, LLC |
1 |
1 |
1 |
1 |
1 |
5 |
NORTH CAROLINA A&T STATE UNIVERSITY |
2 |
2 |
0 |
0 |
1 |
5 |
PRODELIN CORPORATION |
1 |
2 |
1 |
1 |
0 |
5 |
R.W.L. CORPORATION |
0 |
1 |
0 |
1 |
3 |
5 |
SIMULA INC. |
2 |
0 |
0 |
1 |
2 |
5 |
SUMITOMO ELECTRIC LIGHTWAVE CORP. |
0 |
2 |
1 |
0 |
2 |
5 |
SYNGENTA INVESTMENT CORPORATION |
1 |
2 |
1 |
1 |
0 |
5 |
THE STEEL NETWORK, INC. |
0 |
0 |
1 |
2 |
2 |
5 |
TRANSTECH PHARMA, INC. |
0 |
0 |
2 |
0 |
3 |
5 |
TRIANGLE PHARMACEUTICALS, INC. |
1 |
1 |
2 |
0 |
1 |
5 |
TRIMBLE NAVIGATION, LTD. |
0 |
2 |
2 |
1 |
0 |
5 |
ULTRA-MEK, INC. |
0 |
0 |
3 |
1 |
1 |
5 |
UNITED STATES OF AMERICA, NAVY |
3 |
1 |
1 |
0 |
0 |
5 |
UNIVERSITY OF CALIFORNIA, THE REGENTS OF |
2 |
1 |
0 |
2 |
0 |
5 |
WILSON-COOK MEDICAL, INC. |
0 |
0 |
3 |
1 |
1 |
5 |
WIX FILTRATION CORP. |
0 |
0 |
0 |
0 |
5 |
5 |