~Individually Owned Patent |
289 |
322 |
306 |
310 |
299 |
1526 |
INTERNATIONAL BUSINESS MACHINES CORPORATION |
153 |
179 |
203 |
248 |
202 |
985 |
ERICSSON, INC. |
118 |
180 |
197 |
172 |
158 |
825 |
DUKE UNIVERSITY INC. |
28 |
30 |
28 |
40 |
29 |
155 |
UNIVERSITY OF NORTH CAROLINA |
28 |
41 |
23 |
34 |
20 |
146 |
NORTH CAROLINA STATE UNIVERSITY |
26 |
23 |
23 |
30 |
32 |
134 |
GLAXO WELLCOME INC. |
20 |
26 |
19 |
30 |
5 |
100 |
GENERAL ELECTRIC COMPANY |
23 |
15 |
7 |
21 |
30 |
96 |
BASF CORP. |
20 |
21 |
17 |
12 |
13 |
83 |
WHITAKER CORPORATION |
26 |
28 |
23 |
4 |
0 |
81 |
ALCATEL |
0 |
2 |
20 |
27 |
26 |
75 |
E. I. DU PONT DE NEMOURS AND COMPANY |
15 |
17 |
15 |
8 |
12 |
67 |
LORD CORPORATION |
12 |
9 |
13 |
15 |
15 |
64 |
BECTON, DICKINSON AND COMPANY |
27 |
20 |
9 |
3 |
4 |
63 |
ABB POWER T&D COMPANY INC. |
13 |
15 |
13 |
20 |
1 |
62 |
NOVARTIS FINANCE CORPORATION |
21 |
18 |
20 |
2 |
1 |
62 |
FMC CORPORATION |
15 |
14 |
15 |
11 |
6 |
61 |
TELEFONAKTIEBOLAGET LM ERICSSON |
11 |
9 |
13 |
14 |
9 |
56 |
SIECOR CORPORATION |
16 |
18 |
13 |
3 |
0 |
50 |
SQUARE D COMPANY |
9 |
16 |
6 |
9 |
9 |
49 |
CATERPILLAR INC. |
5 |
10 |
15 |
8 |
10 |
48 |
GILBARCO, INC. |
11 |
12 |
16 |
1 |
8 |
48 |
DANA CORPORATION |
11 |
8 |
5 |
15 |
8 |
47 |
EATON CORPORATION |
8 |
9 |
14 |
8 |
7 |
46 |
NORTEL NETWORKS CORPORATION |
0 |
2 |
17 |
15 |
11 |
45 |
CISCO TECHNOLOGY, INC. |
0 |
4 |
10 |
12 |
15 |
41 |
DIGITAL OPTICS CORPORATION |
5 |
8 |
10 |
4 |
13 |
40 |
MARCONI COMMERCE SYSTEMS INC. |
0 |
0 |
12 |
16 |
11 |
39 |
R. J. REYNOLDS TOBACCO COMPANY |
14 |
4 |
10 |
3 |
8 |
39 |
MCNC |
3 |
11 |
8 |
6 |
8 |
36 |
RHONE-POULENC INC. |
5 |
10 |
7 |
5 |
9 |
36 |
INGERSOLL-RAND COMPANY |
10 |
4 |
11 |
4 |
6 |
35 |
CORNING INCORPORATED |
1 |
9 |
5 |
10 |
9 |
34 |
MICELL TECHNOLOGIES, INC. |
0 |
1 |
10 |
16 |
7 |
34 |
WAKE FOREST UNIVERSITY |
4 |
7 |
9 |
10 |
4 |
34 |
MITSUBISHI SEMICONDUCTOR AMERICA, INC. |
22 |
5 |
6 |
0 |
0 |
33 |
CORNING CABLE SYSTEMS LLC |
0 |
0 |
1 |
4 |
27 |
32 |
SIECOR OPERATIONS, LLC |
0 |
2 |
12 |
15 |
1 |
30 |
CLOSURE MEDICAL CORPORATION |
0 |
2 |
5 |
7 |
15 |
29 |
VESTURE CORPORATION |
4 |
9 |
5 |
5 |
5 |
28 |
ANALOG DEVICES, INC. |
5 |
3 |
5 |
11 |
3 |
27 |
AKZO NOBEL NV |
6 |
7 |
2 |
7 |
3 |
25 |
BOPS, INC. |
0 |
0 |
5 |
6 |
14 |
25 |
SARA LEE CORPORATION |
2 |
5 |
6 |
7 |
5 |
25 |
TYCO ELECTRONICS CORPORATION |
0 |
0 |
1 |
13 |
11 |
25 |
RESEARCH TRIANGLE INSTITUTE |
4 |
6 |
5 |
6 |
3 |
24 |
CREE, INC. |
0 |
0 |
3 |
10 |
10 |
23 |
CEM CORPORATION |
2 |
1 |
4 |
13 |
2 |
22 |
SMITHKLINE BEECHAM CORPORATION |
0 |
0 |
0 |
1 |
20 |
21 |
ZF MERITOR, L.L.C. |
0 |
0 |
3 |
9 |
9 |
21 |
WELLMAN INC. |
0 |
5 |
5 |
6 |
4 |
20 |
CELGARD INC. |
0 |
4 |
6 |
5 |
4 |
19 |
GRASS AMERICA, INC. |
5 |
4 |
2 |
4 |
4 |
19 |
INSPIRE PHARMACEUTICALS, INC. |
3 |
6 |
1 |
4 |
5 |
19 |
REICHHOLD CHEMICALS, INC. |
5 |
9 |
3 |
2 |
0 |
19 |
RF MICRO DEVICES, INC. |
0 |
0 |
1 |
9 |
9 |
19 |
SYNGENTA PARTICIPATIONS AG |
0 |
0 |
0 |
12 |
7 |
19 |
ARTEVA NORTH AMERICA S.A.R.L. |
0 |
0 |
6 |
8 |
4 |
18 |
CATERPILLAR S.A.R.L. |
0 |
0 |
11 |
6 |
1 |
18 |
CREE RESEARCH, INC. |
8 |
4 |
4 |
2 |
0 |
18 |
LUCENT TECHNOLOGIES INC. |
6 |
4 |
4 |
4 |
0 |
18 |
CIRRUS LOGIC, INC. |
1 |
3 |
7 |
5 |
1 |
17 |
NORTHERN TELECOM LIMITED |
2 |
14 |
1 |
0 |
0 |
17 |
BAYER CORPORATION |
7 |
3 |
1 |
1 |
4 |
16 |
CHIRON CORPORATION |
8 |
7 |
1 |
0 |
0 |
16 |
MEDI-PHYSICS, INC. |
0 |
0 |
1 |
7 |
8 |
16 |
HOECHST CELANESE CORPORATION |
11 |
3 |
1 |
0 |
0 |
15 |
JDS UNIPHASE CORPORATION |
0 |
0 |
0 |
2 |
13 |
15 |
JDS UNIPHASE INC. |
0 |
0 |
0 |
11 |
4 |
15 |
KENNAMETAL INC. |
7 |
6 |
1 |
1 |
0 |
15 |
TRIMERIS, INC. |
0 |
0 |
7 |
3 |
5 |
15 |
ALCATEL NETWORK SYSTEMS, INC. |
10 |
4 |
0 |
0 |
0 |
14 |
COMMSCOPE, INC. OF NORTH CAROLINA |
3 |
4 |
5 |
2 |
0 |
14 |
EMBREX INC. |
1 |
3 |
3 |
6 |
1 |
14 |
INDIAN HEAD INDUSTRIES, INC. |
4 |
1 |
1 |
5 |
3 |
14 |
TARGACEPT, INC. |
0 |
0 |
1 |
4 |
9 |
14 |
CLARIANT FINANCE (BVI) LIMITED |
1 |
6 |
1 |
3 |
2 |
13 |
HARRIS CORP. |
6 |
7 |
0 |
0 |
0 |
13 |
L&P PROPERTY MANAGEMENT COMPANY |
0 |
3 |
5 |
4 |
1 |
13 |
AT&T CORP. |
4 |
2 |
1 |
4 |
1 |
12 |
EAST CAROLINA UNIVERSITY |
0 |
3 |
5 |
1 |
3 |
12 |
MANTISSA CORPORATION |
1 |
1 |
5 |
2 |
3 |
12 |
REICHHOLD, INC. |
0 |
3 |
0 |
2 |
7 |
12 |
WESTINGHOUSE AIR BRAKE COMPANY |
3 |
4 |
2 |
3 |
0 |
12 |
DEERE + COMPANY |
1 |
2 |
2 |
3 |
3 |
11 |
ICAGEN, INC. |
0 |
0 |
1 |
4 |
6 |
11 |
MERITOR HEAVY VEHICLE SYSTEMS, LLC |
1 |
4 |
2 |
2 |
2 |
11 |
BURLINGTON INDUSTRIES, INC. |
0 |
0 |
3 |
3 |
4 |
10 |
CHANNEL MASTER LLC |
0 |
2 |
3 |
5 |
0 |
10 |
DELTA ELECTRONICS INC. |
0 |
0 |
4 |
3 |
3 |
10 |
ELECTRIC POWER RESEARCH INSTITUTE, INC. |
1 |
2 |
1 |
4 |
2 |
10 |
INTERSIL CORPORATION, INC. |
0 |
1 |
4 |
5 |
0 |
10 |
PHARMAGRAPHICS (MIDWEST), L.L.C. |
4 |
1 |
4 |
1 |
0 |
10 |
POWERWARE CORPORATION |
0 |
0 |
2 |
4 |
4 |
10 |
REGENT LIGHTING CORPORATION |
0 |
0 |
2 |
7 |
1 |
10 |
SPX CORPORATION |
0 |
0 |
2 |
6 |
2 |
10 |
THERMA-WAVE, INC. |
1 |
3 |
1 |
3 |
2 |
10 |
TROXLER ELECTRONIC LABORATORIES, INC. |
0 |
3 |
1 |
1 |
5 |
10 |
VEHICLE ENHANCEMENT SYSTEMS, INC. |
1 |
1 |
5 |
1 |
2 |
10 |
CAMCO MANUFACTURING, INC. |
5 |
1 |
1 |
0 |
2 |
9 |
CHARLOTTE-MECKLENBURG HOSPITAL AUTHORITY |
1 |
3 |
3 |
1 |
1 |
9 |
CONBRACO INDUSTRIES, INC. |
3 |
0 |
0 |
2 |
4 |
9 |
DUKE UNIVERSITY MEDICAL CENTER |
2 |
3 |
1 |
2 |
1 |
9 |
EASTMAN CHEMICAL CO., LTD. |
2 |
1 |
3 |
1 |
2 |
9 |
HIGHLAND INDUSTRIES, INC. |
4 |
3 |
0 |
1 |
1 |
9 |
INDUSTRIAL MICROWAVE SYSTEMS, INC. |
0 |
2 |
3 |
3 |
1 |
9 |
INTEGRATED DEVICE TECHNOLOGY, INC. |
4 |
4 |
1 |
0 |
0 |
9 |
KAY CHEMICAL COMPANY |
1 |
4 |
4 |
0 |
0 |
9 |
RAYCHEM CORPORATION |
5 |
3 |
1 |
0 |
0 |
9 |
ROSTRA PRECISION CONTROLS, INC. |
1 |
0 |
1 |
2 |
5 |
9 |
SIEMENS ENERGY & AUTOMATION, INC. |
5 |
3 |
0 |
1 |
0 |
9 |
SMITH & NEPHEW, INC. |
0 |
2 |
4 |
2 |
1 |
9 |
UNITED STATES OF AMERICA, ENVIRONMENTAL PROTECTION AGENCY |
2 |
2 |
3 |
2 |
0 |
9 |
VOLVO TRUCKS NORTH AMERICA, INC. |
0 |
1 |
1 |
0 |
7 |
9 |
WEAVEXX CORPORATION |
0 |
4 |
2 |
2 |
1 |
9 |
ABB AUTOMATION, INC. |
0 |
0 |
0 |
0 |
8 |
8 |
ABT, INC. |
4 |
1 |
1 |
1 |
1 |
8 |
BELL & HOWELL MAIL & MESSAGING TECHNOLOGIES CO. |
0 |
0 |
4 |
2 |
2 |
8 |
BELMONT TEXTILE MACHINERY CO., INC. |
1 |
0 |
3 |
1 |
3 |
8 |
KEWAUNEE SCIENTIFIC CORPORATION |
2 |
0 |
3 |
1 |
2 |
8 |
MTS SYSTEMS CORPORATION |
0 |
2 |
0 |
2 |
4 |
8 |
NOVO NORDISK BIOCHEM NORTH AMERICA, INC. |
0 |
1 |
6 |
1 |
0 |
8 |
PARADIGM GENETICS, INC. |
0 |
0 |
0 |
2 |
6 |
8 |
POLYMER GROUP, INC. |
0 |
0 |
0 |
4 |
4 |
8 |
PPG INDUSTRIES OHIO INC. |
0 |
2 |
3 |
2 |
1 |
8 |
PRECISION FABRICS GROUP, INC. |
2 |
4 |
1 |
1 |
0 |
8 |
PUROLATOR PRODUCTS COMPANY |
2 |
3 |
2 |
1 |
0 |
8 |
SONOCO DEVELOPMENT, INC. |
0 |
1 |
1 |
4 |
2 |
8 |
SUPREME ELASTIC CORPORATION |
0 |
0 |
0 |
2 |
6 |
8 |
3TEX, INC. |
0 |
0 |
1 |
3 |
3 |
7 |
AKEVA, L.L.C. |
2 |
2 |
1 |
2 |
0 |
7 |
ALEMITE CORPORATION |
0 |
2 |
4 |
0 |
1 |
7 |
BURLINGTON CHEMICAL CO., INC. |
2 |
1 |
1 |
3 |
0 |
7 |
COMMSCOPE PROPERTIES, LLC |
0 |
0 |
0 |
5 |
2 |
7 |
DATA GENERAL CORP. |
3 |
4 |
0 |
0 |
0 |
7 |
DELAWARE CAPITAL FORMATION, INC. |
3 |
2 |
1 |
1 |
0 |
7 |
EMC CORPORATION |
0 |
0 |
2 |
2 |
3 |
7 |
FASCO CONTROLS CORPORATION |
0 |
0 |
3 |
1 |
3 |
7 |
L.B. (PLASTICS) LIMITED |
1 |
1 |
0 |
3 |
2 |
7 |
LAMBDA TECHNOLOGIES, INC. |
3 |
1 |
1 |
2 |
0 |
7 |
MEDICAL SPECIALTIES, INC. |
2 |
2 |
1 |
1 |
1 |
7 |
MIDDLEBY MARSHALL INC. |
1 |
3 |
1 |
1 |
1 |
7 |
MIDREX INTERNATIONAL BV ROTTERDAM, ZURICH BRANCH |
1 |
1 |
1 |
2 |
2 |
7 |
MITSUBISHI ELECTRIC & ELECTRONICS USA, INC |
0 |
0 |
0 |
4 |
3 |
7 |
NOVARTIS AG (FORMERLY SANDOZ LTD.) |
0 |
2 |
4 |
1 |
0 |
7 |
RHONE-POULENC AGRO |
0 |
0 |
4 |
2 |
1 |
7 |
RODEL HOLDINGS INC. |
0 |
0 |
1 |
1 |
5 |
7 |
TEE-LOK CORPORATION |
3 |
3 |
0 |
1 |
0 |
7 |
TRIANGLE PACIFIC CORP. |
4 |
2 |
1 |
0 |
0 |
7 |
UNITED STATES OF AMERICA, NAVY |
2 |
0 |
1 |
3 |
1 |
7 |
ABB T&D TECHNOLOGY LTD. |
0 |
0 |
0 |
4 |
2 |
6 |
ADVANCED CARDIOVASCULAR SYSTEMS, INC. |
3 |
0 |
0 |
2 |
1 |
6 |
AGFA-GEVAERT N.V. |
0 |
0 |
2 |
4 |
0 |
6 |
ALCATEL NA CABLE SYSTEMS INC. |
4 |
1 |
1 |
0 |
0 |
6 |
AMERICAN LINC CORPORATION |
2 |
0 |
0 |
1 |
3 |
6 |
AYLWARD ENTERPRISES, INC. |
1 |
0 |
0 |
3 |
2 |
6 |
CARDIMA, INC. |
2 |
2 |
2 |
0 |
0 |
6 |
CLEARLINE SYSTEMS, INC. |
0 |
1 |
1 |
3 |
1 |
6 |
COOPER INDUSTRIES INC. |
2 |
1 |
1 |
1 |
1 |
6 |
CORPEX TECHNOLOGIES, INC. |
6 |
0 |
0 |
0 |
0 |
6 |
DAY INTERNATIONAL, INC. |
0 |
2 |
0 |
4 |
0 |
6 |
DELTA CONSOLIDATED INDUSTRIES |
0 |
0 |
3 |
2 |
1 |
6 |
DOUGLAS BATTERY MANUFACTURING CO. |
3 |
0 |
2 |
1 |
0 |
6 |
DRINKARD METALOX, INC. |
1 |
4 |
0 |
1 |
0 |
6 |
FUCHS SYSTEMS, INC. |
0 |
4 |
2 |
0 |
0 |
6 |
GLASS UNLIMITED OF HIGH POINT, INC. |
4 |
0 |
0 |
1 |
1 |
6 |
HENKEL CORPORATION |
2 |
3 |
1 |
0 |
0 |
6 |
HICKORY SPRINGS MANUFACTURING COMPANY, INC. |
1 |
2 |
2 |
0 |
1 |
6 |
HUBBELL INCORPORATED |
0 |
3 |
2 |
1 |
0 |
6 |
LILLY INDUSTRIES, INC. |
1 |
1 |
1 |
1 |
2 |
6 |
LITTON SYSTEMS INC. |
0 |
0 |
3 |
1 |
2 |
6 |
MCI COMMUNICATIONS CORP. |
1 |
1 |
3 |
1 |
0 |
6 |
MICROBAN PRODUCTS COMPANY |
0 |
1 |
1 |
3 |
1 |
6 |
MICROCELL CORPORATION |
0 |
0 |
0 |
0 |
6 |
6 |
NEW LIFE PHARMACEUTICALS INC. |
0 |
0 |
2 |
2 |
2 |
6 |
NOVARTIS CORPORATION |
4 |
2 |
0 |
0 |
0 |
6 |
NOVO NORDISK A/S |
0 |
4 |
2 |
0 |
0 |
6 |
OTIS ELEVATOR COMPANY |
0 |
5 |
1 |
0 |
0 |
6 |
PARKER ATHLETIC PRODUCTS, LLC |
0 |
0 |
3 |
3 |
0 |
6 |
PRIME/HOME IMPRESSIONS, LLC |
0 |
0 |
2 |
0 |
4 |
6 |
RELIANCE ELECTRIC TECHNOLOGIES, LLC |
0 |
0 |
2 |
4 |
0 |
6 |
REXAM INDUSTRIES CORP. |
0 |
2 |
1 |
2 |
1 |
6 |
STERLING DIAGNOSTIC IMAGING, INC. |
5 |
1 |
0 |
0 |
0 |
6 |
SUMITOMO ELECTRIC LIGHTWAVE CORP. |
1 |
0 |
3 |
0 |
2 |
6 |
SURFACE TECHNOLOGIES, INC. |
0 |
3 |
2 |
0 |
1 |
6 |
TECHNIMARK, INC. |
2 |
2 |
0 |
1 |
1 |
6 |
UNION CARBIDE CHEMICALS & PLASTICS TECHNOLOGY CORPORATION |
1 |
0 |
1 |
4 |
0 |
6 |
WHITE CONSOLIDATED INDUSTRIES, INC. |
4 |
2 |
0 |
0 |
0 |
6 |
WILSON-COOK MEDICAL, INC. |
4 |
1 |
1 |
0 |
0 |
6 |
ABB, INC. |
0 |
0 |
0 |
0 |
5 |
5 |
AFFYMETRIX, INC. |
0 |
0 |
0 |
3 |
2 |
5 |
AVENTIS CROPSCIENCE S.A. |
0 |
0 |
0 |
2 |
3 |
5 |
B/E AEROSPACE INCORPORATED |
1 |
1 |
0 |
1 |
2 |
5 |
BELL & HOWELL MAIL PROCESSING SYSTEMS COMPANY |
2 |
2 |
1 |
0 |
0 |
5 |
CISCO SYSTEMS, INC. |
1 |
0 |
4 |
0 |
0 |
5 |
COLLINS & AIKMAN PRODUCTS CO. |
2 |
0 |
1 |
1 |
1 |
5 |
DRESSER EQUIPMENT GROUP, INC. |
0 |
0 |
1 |
4 |
0 |
5 |
ECOLAB INC. |
1 |
3 |
0 |
1 |
0 |
5 |
ENCELLE, INC. |
4 |
0 |
0 |
1 |
0 |
5 |
ENDURA PRODUCTS, INC. |
0 |
1 |
1 |
1 |
2 |
5 |
GENPAK, L.L.C. |
0 |
1 |
2 |
1 |
1 |
5 |
HONDA GIKEN KOGYO KABUSHIKI KAISHA (HONDA MOTOR CO., LTD.) |
0 |
0 |
3 |
1 |
1 |
5 |
INTERTECH CORPORATION |
0 |
1 |
2 |
0 |
2 |
5 |
KOBE STEEL USA, INC. |
2 |
2 |
1 |
0 |
0 |
5 |
MEDACOUSTICS, INC. |
0 |
0 |
0 |
4 |
1 |
5 |
NOBEX CORPORATION |
0 |
0 |
0 |
1 |
4 |
5 |
POZEN, INC. |
0 |
1 |
2 |
0 |
2 |
5 |
RIKE INDUSTRIES, INC. |
1 |
1 |
3 |
0 |
0 |
5 |
S-B POWER TOOL COMPANY |
2 |
2 |
0 |
0 |
1 |
5 |
SEMTECH CORPORATION |
0 |
0 |
1 |
1 |
3 |
5 |
SOFT PLAY, L.L.C. |
1 |
2 |
1 |
0 |
1 |
5 |
STERIS CORPORATION |
3 |
0 |
2 |
0 |
0 |
5 |
TEXTILE/CLOTHING TECHNOLOGY CORPORATION |
3 |
1 |
0 |
0 |
1 |
5 |
THERMACO, INC. |
0 |
0 |
0 |
1 |
4 |
5 |
UNITEX CHEMICAL CORPORATION |
1 |
0 |
1 |
1 |
2 |
5 |
UNIVERSITY OF PITTSBURGH |
1 |
2 |
1 |
1 |
0 |
5 |
VARIAN, INC. |
0 |
0 |
0 |
1 |
4 |
5 |
VIRGINIA TECH INTELLECTUAL PROPERTIES, INC. |
1 |
3 |
1 |
0 |
0 |
5 |
WINDSOR INDUSTRIES, INC. |
2 |
2 |
1 |
0 |
0 |
5 |
WORLDCOM, INC. |
0 |
0 |
0 |
0 |
5 |
5 |