~Individually Owned Patent |
101 |
120 |
93 |
81 |
96 |
491 |
MICRON TECHNOLOGY, INC. |
16 |
54 |
75 |
48 |
39 |
232 |
APPLIED MATERIALS, INC. |
32 |
48 |
51 |
61 |
33 |
225 |
EBARA CORPORATION |
11 |
26 |
41 |
22 |
19 |
119 |
LAM RESEARCH CORPORATION |
5 |
16 |
24 |
36 |
29 |
110 |
INTERNATIONAL BUSINESS MACHINES CORPORATION |
15 |
24 |
16 |
9 |
10 |
74 |
SPEEDFAM-IPEC CORP. |
10 |
21 |
22 |
13 |
8 |
74 |
3M INNOVATIVE PROPERTIES COMPANY |
11 |
15 |
12 |
15 |
17 |
70 |
TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD. |
5 |
11 |
12 |
13 |
23 |
64 |
RODEL HOLDINGS INC. |
5 |
10 |
21 |
15 |
7 |
58 |
ADVANCED MICRO DEVICES, INC. |
9 |
13 |
8 |
10 |
6 |
46 |
TOKYO SEIMITSU CO., LTD. |
9 |
11 |
10 |
7 |
6 |
43 |
NEC CORPORATION |
14 |
12 |
9 |
2 |
0 |
37 |
NIDEK CO., LTD. |
11 |
10 |
4 |
4 |
4 |
33 |
GENERAL ELECTRIC COMPANY |
3 |
7 |
4 |
11 |
6 |
31 |
SONY CORPORATION |
10 |
3 |
4 |
6 |
7 |
30 |
SAMSUNG ELECTRONICS CO., LTD. |
2 |
5 |
5 |
11 |
6 |
29 |
ROBERT BOSCH GMBH |
3 |
2 |
4 |
10 |
9 |
28 |
SHIN-ETSU HANDOTAI CO., LTD. |
5 |
7 |
5 |
5 |
6 |
28 |
UNITED MICROELECTRONICS CORPORATION |
7 |
8 |
4 |
5 |
2 |
26 |
HITACHI, LTD |
1 |
3 |
5 |
13 |
2 |
24 |
CABOT MICROELECTRONICS CORP. |
0 |
2 |
7 |
7 |
7 |
23 |
STRASBAUGH, INC. |
1 |
2 |
6 |
10 |
4 |
23 |
DISCO CORPORATION |
3 |
4 |
6 |
3 |
5 |
21 |
TDK CORPORATION |
4 |
5 |
7 |
2 |
3 |
21 |
UNOVA U.K. LIMITED |
3 |
9 |
5 |
0 |
4 |
21 |
CANON KABUSHIKI KAISHA |
9 |
6 |
2 |
2 |
1 |
20 |
SPEEDFAM CO., LTD. |
12 |
4 |
2 |
1 |
1 |
20 |
TOSHIBA CORPORATION |
3 |
6 |
8 |
1 |
2 |
20 |
FUJITSU LIMITED |
5 |
4 |
3 |
4 |
3 |
19 |
LSI LOGIC CORPORATION |
3 |
5 |
6 |
1 |
4 |
19 |
REISHAUER AG |
2 |
5 |
4 |
3 |
5 |
19 |
SEAGATE TECHNOLOGY, LLC |
1 |
6 |
5 |
5 |
2 |
19 |
AGERE SYSTEMS GUARDIAN CORP. |
0 |
6 |
12 |
0 |
0 |
18 |
LUCENT TECHNOLOGIES INC. |
10 |
5 |
2 |
0 |
0 |
17 |
NORTON COMPANY |
9 |
8 |
0 |
0 |
0 |
17 |
SEIKO INSTRUMENTS INC. |
3 |
2 |
2 |
1 |
9 |
17 |
INTEL CORPORATION |
4 |
1 |
6 |
1 |
4 |
16 |
MOTOROLA, INC. |
5 |
3 |
2 |
4 |
2 |
16 |
CHARTERED SEMICONDUCTOR MANUFACTURING PTE LTD |
1 |
8 |
2 |
3 |
1 |
15 |
PROMOS TECHNOLOGIES, INC. |
2 |
5 |
2 |
1 |
5 |
15 |
VLSI TECHNOLOGY, INC. |
5 |
6 |
4 |
0 |
0 |
15 |
HILTI AKTIENGESELLSCHAFT |
1 |
1 |
5 |
2 |
5 |
14 |
INFINEON TECHNOLOGIES AG |
0 |
1 |
4 |
1 |
7 |
13 |
MITSUBISHI MATERIALS CORPORATION |
1 |
6 |
4 |
1 |
1 |
13 |
SAINT-GOBAIN ABRASIVES TECHNOLOGY COMPANY |
0 |
0 |
4 |
4 |
5 |
13 |
SEH AMERICA, INC. |
5 |
2 |
2 |
1 |
3 |
13 |
BEAVER CREEK CONCEPTS, INC. |
0 |
3 |
3 |
3 |
3 |
12 |
NSK LIMITED |
1 |
1 |
3 |
4 |
3 |
12 |
AGERE SYSTEMS INC. |
0 |
1 |
0 |
7 |
3 |
11 |
FLOW INTERNATIONAL CORPORATION |
0 |
4 |
4 |
1 |
2 |
11 |
NIHON MICRO COATING CO., LTD. |
1 |
3 |
2 |
1 |
4 |
11 |
CORNING INCORPORATED |
1 |
2 |
2 |
2 |
3 |
10 |
GERBER COBURN OPTICAL, INC. |
3 |
1 |
3 |
3 |
0 |
10 |
GLEASON WORKS |
1 |
3 |
4 |
0 |
2 |
10 |
HOYA CORPORATION |
0 |
3 |
1 |
3 |
3 |
10 |
KONINKLIJKE PHILIPS ELECTRONICS N.V. |
0 |
1 |
2 |
6 |
1 |
10 |
MEMC ELECTRONIC MATERIALS, INC. |
3 |
2 |
4 |
0 |
1 |
10 |
NIPPEI TOYAMA CORPORATION |
3 |
4 |
1 |
1 |
1 |
10 |
NORITAKE CO., LTD. |
0 |
2 |
2 |
1 |
5 |
10 |
NUTOOL, INC. |
1 |
0 |
3 |
4 |
2 |
10 |
RIKEN CORPORATION |
0 |
1 |
4 |
4 |
1 |
10 |
WACKER SILTRONIC GESELLSCHAFT FUR HALBLEITERMATERIALIEN AG |
3 |
1 |
4 |
2 |
0 |
10 |
APLEX, INC. |
9 |
0 |
0 |
0 |
0 |
9 |
KABUSHIKI KAISHA TOPCON |
1 |
1 |
1 |
2 |
4 |
9 |
MOSEL VITELIC, INCORPORATED |
3 |
3 |
0 |
1 |
2 |
9 |
MURATA MANUFACTURING CO., LTD. |
1 |
2 |
1 |
3 |
2 |
9 |
TEXAS INSTRUMENTS, INCORPORATED |
0 |
0 |
2 |
3 |
4 |
9 |
BLACK & DECKER INC. |
2 |
2 |
0 |
2 |
2 |
8 |
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. |
2 |
2 |
1 |
1 |
2 |
8 |
MITSUBISHI DENKI KABUSHIKI KAISHA |
1 |
2 |
0 |
3 |
2 |
8 |
TOYODA KOKI KABUSHIKI KAISHA |
1 |
0 |
3 |
3 |
1 |
8 |
C. & E. FEIN GMBH & CO. |
2 |
1 |
0 |
2 |
2 |
7 |
MACRONIX INTERNATIONAL CO., LTD. |
0 |
0 |
1 |
2 |
4 |
7 |
NIKON CORPORATION |
3 |
2 |
1 |
0 |
1 |
7 |
SANDVIK AKTIEBOLAG |
3 |
1 |
0 |
3 |
0 |
7 |
TOSOH CORPORATION |
1 |
1 |
2 |
1 |
2 |
7 |
BAUSCH & LOMB, INC. |
0 |
1 |
0 |
3 |
2 |
6 |
FUJIKOSHI KIKAI KOGYO KABUSHIKI KAISHA |
1 |
3 |
2 |
0 |
0 |
6 |
FUJIKOSHI MACHINERY CORPORATION |
0 |
0 |
1 |
1 |
4 |
6 |
INSTITUTE OF PHYSICAL AND CHEMICAL RESEARCH |
4 |
2 |
0 |
0 |
0 |
6 |
LIDKOPING MACHINE TOOLS AB |
0 |
3 |
3 |
0 |
0 |
6 |
MULTI PLANAR TECHNOLOGIES, INC. |
0 |
0 |
0 |
6 |
0 |
6 |
TOKYO ELECTRON LIMITED |
3 |
0 |
1 |
0 |
2 |
6 |
UNITED TECHNOLOGIES CORPORATION |
3 |
2 |
0 |
0 |
1 |
6 |
BOEING COMPANY |
0 |
0 |
1 |
2 |
2 |
5 |
CABOT CORPORATION |
4 |
1 |
0 |
0 |
0 |
5 |
CYPRESS SEMICONDUCTOR CORP. |
0 |
2 |
1 |
0 |
2 |
5 |
EASTMAN KODAK COMPANY |
0 |
3 |
0 |
1 |
1 |
5 |
ERNST THIELENHAUS GMBH & CO. KG |
4 |
0 |
0 |
1 |
0 |
5 |
ERWIN JUNKER MASCHNINENFABRIK GMBH |
0 |
1 |
2 |
1 |
1 |
5 |
ESSILOR INTERNATIONAL COMPAGNIE GENERALE D OPTIQUE |
0 |
2 |
0 |
2 |
1 |
5 |
EXTRUDE HOME CORPORATION |
0 |
1 |
1 |
3 |
0 |
5 |
FORD GLOBAL TECHNOLOGIES, INC. |
2 |
3 |
0 |
0 |
0 |
5 |
FUJI PHOTO FILM CO., LTD |
1 |
1 |
1 |
0 |
2 |
5 |
KELTECH ENGINEERING, INC. |
4 |
0 |
0 |
0 |
1 |
5 |
LOH OPTIKMASCHINEN AG |
0 |
1 |
1 |
1 |
2 |
5 |
NAN YA TECHNOLOGY CORPORATION |
0 |
0 |
0 |
1 |
4 |
5 |
NEC ELECTRONICS CORPORATION |
0 |
0 |
0 |
3 |
2 |
5 |
NOVA MEASURING INSTRUMENTS, LTD. |
1 |
0 |
2 |
0 |
2 |
5 |
PORTER-CABLE CORPORATION |
2 |
1 |
1 |
1 |
0 |
5 |
SUMITOMO SPECIAL METAL COMPANY LIMITED |
0 |
2 |
1 |
1 |
1 |
5 |
WERNICKE & CO. GMBH |
1 |
2 |
1 |
1 |
0 |
5 |
XEROX CORPORATION |
1 |
2 |
2 |
0 |
0 |
5 |