INTERNATIONAL BUSINESS MACHINES CORPORATION |
55 |
55 |
87 |
54 |
35 |
286 |
LSI LOGIC CORPORATION |
38 |
38 |
59 |
50 |
41 |
226 |
CADENCE DESIGN SYSTEMS, INC. |
4 |
12 |
30 |
37 |
75 |
158 |
XILINX, INC. |
21 |
28 |
28 |
23 |
34 |
134 |
SUN MICROSYSTEMS, INC. |
2 |
12 |
34 |
44 |
24 |
116 |
NEC CORPORATION |
29 |
30 |
37 |
7 |
6 |
109 |
FUJITSU LIMITED |
18 |
16 |
30 |
18 |
26 |
108 |
TOSHIBA CORPORATION |
14 |
8 |
23 |
24 |
16 |
85 |
~Individually Owned Patent |
14 |
19 |
23 |
19 |
10 |
85 |
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. |
10 |
22 |
23 |
19 |
9 |
83 |
SYNOPSYS INC. |
12 |
21 |
15 |
7 |
24 |
79 |
HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P. |
0 |
0 |
26 |
25 |
27 |
78 |
INTEL CORPORATION |
4 |
9 |
30 |
17 |
16 |
76 |
HITACHI, LTD |
3 |
4 |
29 |
10 |
6 |
52 |
MITSUBISHI DENKI KABUSHIKI KAISHA |
4 |
14 |
26 |
4 |
2 |
50 |
ADVANCED MICRO DEVICES, INC. |
11 |
7 |
14 |
11 |
5 |
48 |
HEWLETT-PACKARD COMPANY |
12 |
28 |
7 |
0 |
0 |
47 |
ALTERA CORPORATION |
12 |
8 |
6 |
9 |
9 |
44 |
MICRON TECHNOLOGY, INC. |
9 |
9 |
7 |
10 |
9 |
44 |
AGILENT TECHNOLOGIES, INC. |
6 |
3 |
3 |
19 |
11 |
42 |
TEXAS INSTRUMENTS, INCORPORATED |
4 |
9 |
12 |
8 |
7 |
40 |
NUMERICAL TECHNOLOGIES, INC. |
0 |
4 |
14 |
18 |
3 |
39 |
RENESAS TECHNOLOGY CORPORATION |
0 |
0 |
0 |
19 |
17 |
36 |
CYPRESS SEMICONDUCTOR CORP. |
1 |
5 |
15 |
6 |
7 |
34 |
NEC ELECTRONICS CORPORATION |
0 |
0 |
14 |
9 |
8 |
31 |
INFINEON TECHNOLOGIES AG |
0 |
4 |
6 |
7 |
13 |
30 |
TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD. |
2 |
5 |
4 |
5 |
8 |
24 |
SYNPLICITY, INC. |
1 |
3 |
7 |
6 |
4 |
21 |
MOTOROLA, INC. |
4 |
8 |
5 |
2 |
0 |
19 |
SEIKO EPSON CORPORATION |
1 |
3 |
5 |
4 |
3 |
16 |
LUCENT TECHNOLOGIES INC. |
7 |
4 |
1 |
1 |
2 |
15 |
OKI ELECTRIC INDUSTRY CO., LTD. |
1 |
2 |
4 |
3 |
5 |
15 |
SONY CORPORATION |
4 |
2 |
4 |
4 |
1 |
15 |
MENTOR GRAPHICS CORPORATION |
5 |
5 |
1 |
1 |
2 |
14 |
SEQUENCE DESIGN, INC. |
1 |
1 |
5 |
6 |
1 |
14 |
UNISYS CORPORATION |
1 |
1 |
3 |
4 |
5 |
14 |
MONTEREY DESIGN SYSTEMS, INC. |
2 |
6 |
4 |
1 |
0 |
13 |
SHARP KABUSHIKI KAISHA (SHARP CORPORATION) |
0 |
3 |
5 |
3 |
2 |
13 |
KONINKLIJKE PHILIPS ELECTRONICS N.V. |
0 |
3 |
7 |
1 |
1 |
12 |
LATTICE SEMICONDUCTOR CORPORATION |
0 |
2 |
2 |
4 |
3 |
11 |
MAGMA DESIGN AUTOMATION, INC. |
2 |
2 |
3 |
1 |
3 |
11 |
SAMSUNG ELECTRONICS CO., LTD. |
0 |
1 |
5 |
4 |
1 |
11 |
ARTISAN COMPONENTS, INC. |
1 |
3 |
3 |
0 |
3 |
10 |
RESHAPE, INC. |
0 |
0 |
5 |
2 |
3 |
10 |
ADVANTEST CORP. |
1 |
4 |
2 |
0 |
1 |
8 |
SILICON GRAPHICS, INC. |
1 |
2 |
3 |
2 |
0 |
8 |
AGERE SYSTEMS INC. |
0 |
0 |
5 |
1 |
1 |
7 |
ASML MASKTOOLS NETHERLANDS B.V. |
0 |
0 |
2 |
2 |
3 |
7 |
BROADCOM CORPORATION |
0 |
0 |
0 |
2 |
5 |
7 |
DUPONT PHOTOMASKS, INC. |
0 |
0 |
1 |
3 |
3 |
7 |
INTRINSITY, INC. |
2 |
2 |
2 |
1 |
0 |
7 |
LOGICVISION, INC. |
0 |
1 |
2 |
2 |
2 |
7 |
NATIONAL SEMICONDUCTOR CORPORATION |
0 |
2 |
2 |
2 |
1 |
7 |
STMICROELECTRONICS, LTD. |
0 |
2 |
3 |
2 |
0 |
7 |
VIA TECHNOLOGIES, INC. |
0 |
2 |
1 |
1 |
3 |
7 |
AGERE SYSTEMS GUARDIAN CORP. |
4 |
2 |
0 |
0 |
0 |
6 |
CONEXANT SYSTEMS, INC. |
0 |
1 |
2 |
1 |
2 |
6 |
NEC USA, INC. |
4 |
2 |
0 |
0 |
0 |
6 |
PDF SOLUTIONS, INC. |
0 |
1 |
0 |
3 |
2 |
6 |
REAL INTENT, INC. |
0 |
1 |
3 |
1 |
1 |
6 |
SIEMENS AKTIENGESELLSCHAFT |
1 |
1 |
1 |
2 |
1 |
6 |
SYCON DESIGN, INC. |
0 |
3 |
2 |
1 |
0 |
6 |
THARAS SYSTEMS INC. |
0 |
2 |
3 |
1 |
0 |
6 |
UNITED MICROELECTRONICS CORPORATION |
1 |
1 |
3 |
1 |
0 |
6 |
VLSI TECHNOLOGY, INC. |
4 |
2 |
0 |
0 |
0 |
6 |
ACTEL CORPORATION, INC. |
1 |
1 |
1 |
0 |
2 |
5 |
AVANT CORPORATION |
2 |
2 |
1 |
0 |
0 |
5 |
BOEING COMPANY |
0 |
1 |
1 |
2 |
1 |
5 |
CANON KABUSHIKI KAISHA |
0 |
0 |
2 |
0 |
3 |
5 |
FREESCALE SEMICONDUCTOR, INC. |
0 |
0 |
0 |
0 |
5 |
5 |
PHILIPS ELECTRONICS NORTH AMERICA CORP. |
5 |
0 |
0 |
0 |
0 |
5 |
QUICKTURN DESIGN SYSTEMS, INC. |
1 |
1 |
2 |
1 |
0 |
5 |
SANYO ELECTRIC CO., LTD. |
0 |
1 |
1 |
3 |
0 |
5 |
SILICON PERSPECTIVE CORPORATION |
2 |
1 |
2 |
0 |
0 |
5 |
STMICROELECTRONICS S.A. |
1 |
2 |
0 |
1 |
1 |
5 |