~Individually Owned Patent |
266 |
289 |
322 |
306 |
310 |
1493 |
INTERNATIONAL BUSINESS MACHINES CORPORATION |
71 |
153 |
179 |
203 |
248 |
854 |
ERICSSON, INC. |
21 |
118 |
180 |
197 |
172 |
688 |
UNIVERSITY OF NORTH CAROLINA |
32 |
28 |
41 |
23 |
34 |
158 |
DUKE UNIVERSITY INC. |
21 |
28 |
30 |
28 |
40 |
147 |
NORTH CAROLINA STATE UNIVERSITY |
22 |
26 |
23 |
23 |
30 |
124 |
GLAXO WELLCOME INC. |
19 |
20 |
26 |
19 |
30 |
114 |
WHITAKER CORPORATION |
25 |
26 |
28 |
23 |
4 |
106 |
BASF CORP. |
27 |
20 |
21 |
17 |
12 |
97 |
BECTON, DICKINSON AND COMPANY |
34 |
27 |
20 |
9 |
3 |
93 |
GENERAL ELECTRIC COMPANY |
14 |
23 |
15 |
7 |
21 |
80 |
E. I. DU PONT DE NEMOURS AND COMPANY |
16 |
15 |
17 |
15 |
8 |
71 |
ABB POWER T&D COMPANY INC. |
7 |
13 |
15 |
13 |
20 |
68 |
NOVARTIS FINANCE CORPORATION |
7 |
21 |
18 |
20 |
2 |
68 |
FMC CORPORATION |
6 |
15 |
14 |
15 |
11 |
61 |
SIECOR CORPORATION |
8 |
16 |
18 |
13 |
3 |
58 |
LORD CORPORATION |
8 |
12 |
9 |
13 |
15 |
57 |
EATON CORPORATION |
14 |
8 |
9 |
14 |
8 |
53 |
TELEFONAKTIEBOLAGET LM ERICSSON |
5 |
11 |
9 |
13 |
14 |
52 |
ALCATEL THOMSON FAISCEAUX HERTZIENS |
0 |
0 |
2 |
20 |
27 |
49 |
R. J. REYNOLDS TOBACCO COMPANY |
18 |
14 |
4 |
10 |
3 |
49 |
SQUARE D COMPANY |
7 |
9 |
16 |
6 |
9 |
47 |
CATERPILLAR INC. |
7 |
5 |
10 |
15 |
8 |
45 |
GILBARCO, INC. |
4 |
11 |
12 |
16 |
1 |
44 |
DANA CORPORATION |
4 |
11 |
8 |
5 |
15 |
43 |
MITSUBISHI SEMICONDUCTOR AMERICA, INC. |
8 |
22 |
5 |
6 |
0 |
41 |
INGERSOLL-RAND COMPANY |
11 |
10 |
4 |
11 |
4 |
40 |
RHONE-POULENC INC. |
9 |
5 |
10 |
7 |
5 |
36 |
WAKE FOREST UNIVERSITY |
6 |
4 |
7 |
9 |
10 |
36 |
NORTEL NETWORKS CORPORATION |
0 |
0 |
2 |
17 |
15 |
34 |
MCNC |
3 |
3 |
11 |
8 |
6 |
31 |
HOECHST CELANESE CORPORATION |
15 |
11 |
3 |
1 |
0 |
30 |
CORNING INCORPORATED |
4 |
1 |
9 |
5 |
10 |
29 |
DIGITAL OPTICS CORPORATION |
2 |
5 |
8 |
10 |
4 |
29 |
SARA LEE CORPORATION |
9 |
2 |
5 |
6 |
7 |
29 |
SIECOR OPERATIONS, LLC |
0 |
0 |
2 |
12 |
15 |
29 |
ANALOG DEVICES, INC. |
4 |
5 |
3 |
5 |
11 |
28 |
MARCONI COMMERCE SYSTEMS INC. |
0 |
0 |
0 |
12 |
16 |
28 |
MICELL TECHNOLOGIES, INC. |
0 |
0 |
1 |
10 |
16 |
27 |
VESTURE CORPORATION |
4 |
4 |
9 |
5 |
5 |
27 |
CISCO TECHNOLOGY, INC. |
0 |
0 |
4 |
10 |
12 |
26 |
AKZO NOBEL NV |
3 |
6 |
7 |
2 |
7 |
25 |
CREE RESEARCH, INC. |
7 |
8 |
4 |
4 |
2 |
25 |
RESEARCH TRIANGLE INSTITUTE |
4 |
4 |
6 |
5 |
6 |
25 |
REICHHOLD CHEMICALS, INC. |
5 |
5 |
9 |
3 |
2 |
24 |
CEM CORPORATION |
1 |
2 |
1 |
4 |
13 |
21 |
WELLMAN INC. |
5 |
0 |
5 |
5 |
6 |
21 |
LUCENT TECHNOLOGIES INC. |
2 |
6 |
4 |
4 |
4 |
20 |
ALCATEL NETWORK SYSTEMS, INC. |
5 |
10 |
4 |
0 |
0 |
19 |
KENNAMETAL INC. |
4 |
7 |
6 |
1 |
1 |
19 |
NORTHERN TELECOM LIMITED |
2 |
2 |
14 |
1 |
0 |
19 |
GRASS AMERICA, INC. |
3 |
5 |
4 |
2 |
4 |
18 |
CATERPILLAR S.A.R.L. |
0 |
0 |
0 |
11 |
6 |
17 |
INDIAN HEAD INDUSTRIES, INC. |
6 |
4 |
1 |
1 |
5 |
17 |
TEE-LOK CORPORATION |
10 |
3 |
3 |
0 |
1 |
17 |
CHIRON CORPORATION |
0 |
8 |
7 |
1 |
0 |
16 |
CIRRUS LOGIC, INC. |
0 |
1 |
3 |
7 |
5 |
16 |
COMMSCOPE, INC. OF NORTH CAROLINA |
2 |
3 |
4 |
5 |
2 |
16 |
CELGARD INC. |
0 |
0 |
4 |
6 |
5 |
15 |
CLARIANT FINANCE (BVI) LIMITED |
4 |
1 |
6 |
1 |
3 |
15 |
SIEMENS ENERGY & AUTOMATION, INC. |
6 |
5 |
3 |
0 |
1 |
15 |
WESTINGHOUSE AIR BRAKE COMPANY |
3 |
3 |
4 |
2 |
3 |
15 |
ARTEVA NORTH AMERICA S.A.R.L. |
0 |
0 |
0 |
6 |
8 |
14 |
BAYER CORPORATION |
2 |
7 |
3 |
1 |
1 |
14 |
CLOSURE MEDICAL CORPORATION |
0 |
0 |
2 |
5 |
7 |
14 |
EMBREX INC. |
1 |
1 |
3 |
3 |
6 |
14 |
HARRIS CORP. |
1 |
6 |
7 |
0 |
0 |
14 |
INSPIRE PHARMACEUTICALS, INC. |
0 |
3 |
6 |
1 |
4 |
14 |
TYCO ELECTRONICS CORPORATION |
0 |
0 |
0 |
1 |
13 |
14 |
UNITED STATES OF AMERICA, ENVIRONMENTAL PROTECTION AGENCY |
5 |
2 |
2 |
3 |
2 |
14 |
WHITE CONSOLIDATED INDUSTRIES, INC. |
8 |
4 |
2 |
0 |
0 |
14 |
CREE, INC. |
0 |
0 |
0 |
3 |
10 |
13 |
RAYCHEM CORPORATION |
4 |
5 |
3 |
1 |
0 |
13 |
ABT, INC. |
5 |
4 |
1 |
1 |
1 |
12 |
L&P PROPERTY MANAGEMENT COMPANY |
0 |
0 |
3 |
5 |
4 |
12 |
PUROLATOR PRODUCTS COMPANY |
4 |
2 |
3 |
2 |
1 |
12 |
RF MICRO DEVICES, INC. |
2 |
0 |
0 |
1 |
9 |
12 |
SYNGENTA PARTICIPATIONS AG |
0 |
0 |
0 |
0 |
12 |
12 |
ZF MERITOR, L.L.C. |
0 |
0 |
0 |
3 |
9 |
12 |
AT&T CORP. |
0 |
4 |
2 |
1 |
4 |
11 |
BOPS, INC. |
0 |
0 |
0 |
5 |
6 |
11 |
BURLINGTON CHEMICAL CO., INC. |
4 |
2 |
1 |
1 |
3 |
11 |
EAST CAROLINA UNIVERSITY |
2 |
0 |
3 |
5 |
1 |
11 |
JDS UNIPHASE INC. |
0 |
0 |
0 |
0 |
11 |
11 |
KAY CHEMICAL COMPANY |
2 |
1 |
4 |
4 |
0 |
11 |
REGENT LIGHTING CORPORATION |
2 |
0 |
0 |
2 |
7 |
11 |
ALCATEL NA CABLE SYSTEMS INC. |
4 |
4 |
1 |
1 |
0 |
10 |
CHANNEL MASTER LLC |
0 |
0 |
2 |
3 |
5 |
10 |
CHARLOTTE-MECKLENBURG HOSPITAL AUTHORITY |
2 |
1 |
3 |
3 |
1 |
10 |
ELECTRIC POWER RESEARCH INSTITUTE, INC. |
2 |
1 |
2 |
1 |
4 |
10 |
HIGHLAND INDUSTRIES, INC. |
2 |
4 |
3 |
0 |
1 |
10 |
HUBBELL INCORPORATED |
4 |
0 |
3 |
2 |
1 |
10 |
INTERSIL CORPORATION, INC. |
0 |
0 |
1 |
4 |
5 |
10 |
NOVARTIS CORPORATION |
4 |
4 |
2 |
0 |
0 |
10 |
PHARMAGRAPHICS (MIDWEST), L.L.C. |
0 |
4 |
1 |
4 |
1 |
10 |
STERLING DIAGNOSTIC IMAGING, INC. |
4 |
5 |
1 |
0 |
0 |
10 |
TRIMERIS, INC. |
0 |
0 |
0 |
7 |
3 |
10 |
WINDSOR INDUSTRIES, INC. |
5 |
2 |
2 |
1 |
0 |
10 |
CAMCO MANUFACTURING, INC. |
2 |
5 |
1 |
1 |
0 |
9 |
CARDIMA, INC. |
3 |
2 |
2 |
2 |
0 |
9 |
CIBA-GEIGY CORPORATION |
8 |
1 |
0 |
0 |
0 |
9 |
COOPER INDUSTRIES INC. |
4 |
2 |
1 |
1 |
1 |
9 |
CORPEX TECHNOLOGIES, INC. |
3 |
6 |
0 |
0 |
0 |
9 |
DATA GENERAL CORP. |
2 |
3 |
4 |
0 |
0 |
9 |
INTEGRATED DEVICE TECHNOLOGY, INC. |
0 |
4 |
4 |
1 |
0 |
9 |
KOBE STEEL USA, INC. |
4 |
2 |
2 |
1 |
0 |
9 |
LAMBDA TECHNOLOGIES, INC. |
2 |
3 |
1 |
1 |
2 |
9 |
MANTISSA CORPORATION |
0 |
1 |
1 |
5 |
2 |
9 |
MERITOR HEAVY VEHICLE SYSTEMS, LLC |
0 |
1 |
4 |
2 |
2 |
9 |
MIDDLEBY MARSHALL INC. |
3 |
1 |
3 |
1 |
1 |
9 |
PRECISION FABRICS GROUP, INC. |
1 |
2 |
4 |
1 |
1 |
9 |
SOFT PLAY, L.L.C. |
5 |
1 |
2 |
1 |
0 |
9 |
UNION CARBIDE CHEMICALS & PLASTICS TECHNOLOGY CORPORATION |
3 |
1 |
0 |
1 |
4 |
9 |
VEHICLE ENHANCEMENT SYSTEMS, INC. |
1 |
1 |
1 |
5 |
1 |
9 |
ALBA WALDENSIAN, INCORPORATED |
4 |
2 |
1 |
0 |
1 |
8 |
DEERE + COMPANY |
0 |
1 |
2 |
2 |
3 |
8 |
DELAWARE CAPITAL FORMATION, INC. |
1 |
3 |
2 |
1 |
1 |
8 |
DOUGLAS BATTERY MANUFACTURING CO. |
2 |
3 |
0 |
2 |
1 |
8 |
DUKE UNIVERSITY MEDICAL CENTER |
0 |
2 |
3 |
1 |
2 |
8 |
HENKEL CORPORATION |
2 |
2 |
3 |
1 |
0 |
8 |
INDUSTRIAL MICROWAVE SYSTEMS, INC. |
0 |
0 |
2 |
3 |
3 |
8 |
MEDI-PHYSICS, INC. |
0 |
0 |
0 |
1 |
7 |
8 |
MIDREX INTERNATIONAL BV ROTTERDAM, ZURICH BRANCH |
3 |
1 |
1 |
1 |
2 |
8 |
NOVO NORDISK BIOCHEM NORTH AMERICA, INC. |
0 |
0 |
1 |
6 |
1 |
8 |
SMITH & NEPHEW, INC. |
0 |
0 |
2 |
4 |
2 |
8 |
SPX CORPORATION |
0 |
0 |
0 |
2 |
6 |
8 |
SUMITOMO ELECTRIC LIGHTWAVE CORP. |
4 |
1 |
0 |
3 |
0 |
8 |
THERMA-WAVE, INC. |
0 |
1 |
3 |
1 |
3 |
8 |
WEAVEXX CORPORATION |
0 |
0 |
4 |
2 |
2 |
8 |
WILSON-COOK MEDICAL, INC. |
2 |
4 |
1 |
1 |
0 |
8 |
AKEVA, L.L.C. |
0 |
2 |
2 |
1 |
2 |
7 |
BURLINGTON INDUSTRIES, INC. |
1 |
0 |
0 |
3 |
3 |
7 |
DELTA ELECTRONICS INC. |
0 |
0 |
0 |
4 |
3 |
7 |
EASTMAN CHEMICAL CO., LTD. |
0 |
2 |
1 |
3 |
1 |
7 |
NOVARTIS AG (FORMERLY SANDOZ LTD.) |
0 |
0 |
2 |
4 |
1 |
7 |
PPG INDUSTRIES OHIO INC. |
0 |
0 |
2 |
3 |
2 |
7 |
REXAM INDUSTRIES CORP. |
2 |
0 |
2 |
1 |
2 |
7 |
TRIANGLE PACIFIC CORP. |
0 |
4 |
2 |
1 |
0 |
7 |
TUBULAR TEXTILE LLC |
4 |
2 |
0 |
1 |
0 |
7 |
AGFA-GEVAERT N.V. |
0 |
0 |
0 |
2 |
4 |
6 |
ALEMITE CORPORATION |
0 |
0 |
2 |
4 |
0 |
6 |
APLIX, INC. |
3 |
2 |
1 |
0 |
0 |
6 |
BELL & HOWELL MAIL & MESSAGING TECHNOLOGIES CO. |
0 |
0 |
0 |
4 |
2 |
6 |
CARDIOVASCULAR DIAGNOSTICS, INC. |
4 |
0 |
0 |
1 |
1 |
6 |
CISCO SYSTEMS, INC. |
1 |
1 |
0 |
4 |
0 |
6 |
DAY INTERNATIONAL, INC. |
0 |
0 |
2 |
0 |
4 |
6 |
DELTA CONSOLIDATED INDUSTRIES |
1 |
0 |
0 |
3 |
2 |
6 |
DELTA PHARMACEUTICALS, INC. |
2 |
2 |
1 |
0 |
1 |
6 |
DRINKARD METALOX, INC. |
0 |
1 |
4 |
0 |
1 |
6 |
ENCELLE, INC. |
1 |
4 |
0 |
0 |
1 |
6 |
FUCHS SYSTEMS, INC. |
0 |
0 |
4 |
2 |
0 |
6 |
GENPAK, L.L.C. |
2 |
0 |
1 |
2 |
1 |
6 |
GLASS UNLIMITED OF HIGH POINT, INC. |
1 |
4 |
0 |
0 |
1 |
6 |
GUILFORD MILLS, INC. |
2 |
1 |
1 |
0 |
2 |
6 |
HICKORY SPRINGS MANUFACTURING COMPANY, INC. |
1 |
1 |
2 |
2 |
0 |
6 |
KEWAUNEE SCIENTIFIC CORPORATION |
0 |
2 |
0 |
3 |
1 |
6 |
L.B. (PLASTICS) LIMITED |
1 |
1 |
1 |
0 |
3 |
6 |
LITTON SYSTEMS INC. |
2 |
0 |
0 |
3 |
1 |
6 |
MCI COMMUNICATIONS CORP. |
0 |
1 |
1 |
3 |
1 |
6 |
MEDICAL SPECIALTIES, INC. |
0 |
2 |
2 |
1 |
1 |
6 |
NOVO NORDISK A/S |
0 |
0 |
4 |
2 |
0 |
6 |
OTIS ELEVATOR COMPANY |
0 |
0 |
5 |
1 |
0 |
6 |
PARKER ATHLETIC PRODUCTS, LLC |
0 |
0 |
0 |
3 |
3 |
6 |
POWERWARE CORPORATION |
0 |
0 |
0 |
2 |
4 |
6 |
RELIANCE ELECTRIC TECHNOLOGIES, LLC |
0 |
0 |
0 |
2 |
4 |
6 |
RHONE-POULENC AGRO |
0 |
0 |
0 |
4 |
2 |
6 |
SONOCO DEVELOPMENT, INC. |
0 |
0 |
1 |
1 |
4 |
6 |
UNITED STATES OF AMERICA, NAVY |
0 |
2 |
0 |
1 |
3 |
6 |
ADVANCED CARDIOVASCULAR SYSTEMS, INC. |
0 |
3 |
0 |
0 |
2 |
5 |
ALLIED LOGIC CORPORATION |
2 |
3 |
0 |
0 |
0 |
5 |
BELL & HOWELL MAIL PROCESSING SYSTEMS COMPANY |
0 |
2 |
2 |
1 |
0 |
5 |
BELMONT TEXTILE MACHINERY CO., INC. |
0 |
1 |
0 |
3 |
1 |
5 |
BORG-WARNER AUTOMOTIVE, INC. |
2 |
2 |
1 |
0 |
0 |
5 |
BURNS AEROSPACE CORPORATION |
3 |
2 |
0 |
0 |
0 |
5 |
CLEARLINE SYSTEMS, INC. |
0 |
0 |
1 |
1 |
3 |
5 |
COMMSCOPE PROPERTIES, LLC |
0 |
0 |
0 |
0 |
5 |
5 |
CONBRACO INDUSTRIES, INC. |
0 |
3 |
0 |
0 |
2 |
5 |
CORNING CABLE SYSTEMS LLC |
0 |
0 |
0 |
1 |
4 |
5 |
DRESSER EQUIPMENT GROUP, INC. |
0 |
0 |
0 |
1 |
4 |
5 |
ECOLAB INC. |
0 |
1 |
3 |
0 |
1 |
5 |
EXIDE ELECTRONICS CORPORATION |
2 |
2 |
0 |
1 |
0 |
5 |
FAMILY HEALTH INTERNATIONAL |
2 |
1 |
1 |
1 |
0 |
5 |
FED CORPORATION |
2 |
1 |
2 |
0 |
0 |
5 |
ICAGEN, INC. |
0 |
0 |
0 |
1 |
4 |
5 |
ILCO UNICAN CORP. |
2 |
0 |
2 |
1 |
0 |
5 |
MICROBAN PRODUCTS COMPANY |
0 |
0 |
1 |
1 |
3 |
5 |
MONARCH KNITTING MACHINERY CORPORATION |
3 |
0 |
0 |
1 |
1 |
5 |
MTS SYSTEMS CORPORATION |
1 |
0 |
2 |
0 |
2 |
5 |
OSSID CORPORATION |
2 |
3 |
0 |
0 |
0 |
5 |
PERFORMANCE FRICTION CORPORATION |
1 |
0 |
1 |
0 |
3 |
5 |
PPG INDUSTRIES INC. |
1 |
3 |
1 |
0 |
0 |
5 |
R. R. DONNELLEY & SONS CO. |
4 |
1 |
0 |
0 |
0 |
5 |
REICHHOLD, INC. |
0 |
0 |
3 |
0 |
2 |
5 |
RIKE INDUSTRIES, INC. |
0 |
1 |
1 |
3 |
0 |
5 |
STERIS CORPORATION |
0 |
3 |
0 |
2 |
0 |
5 |
SURFACE TECHNOLOGIES, INC. |
0 |
0 |
3 |
2 |
0 |
5 |
TARGACEPT, INC. |
0 |
0 |
0 |
1 |
4 |
5 |
TECHNIMARK, INC. |
0 |
2 |
2 |
0 |
1 |
5 |
TELEFLEX INFORMATION SYSTEMS, INC. |
1 |
1 |
1 |
0 |
2 |
5 |
TROXLER ELECTRONIC LABORATORIES, INC. |
0 |
0 |
3 |
1 |
1 |
5 |
UNITED STATES OF AMERICA, HEALTH & HUMAN SERVICES |
2 |
1 |
2 |
0 |
0 |
5 |
UNIVERSITY OF CALIFORNIA, THE REGENTS OF |
1 |
0 |
0 |
2 |
2 |
5 |
UNIVERSITY OF PITTSBURGH |
0 |
1 |
2 |
1 |
1 |
5 |
VIRGINIA TECH INTELLECTUAL PROPERTIES, INC. |
0 |
1 |
3 |
1 |
0 |
5 |