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Electrical/Electronics
 

Company

Canon
1977/1
1961/1
1938
1581
1.02
1.24
0.52
0.53
7.9
7.4
Toshiba
1769/2
1413/4
1340
1104
1.32
1.28
0.68
0.65
5.8
6.0
Sony
1694/3
1424/3
1436
1087
1.18
1.31
0.36
0.35
5.5
5.7
Samsung
1602/4
1251/6
1571
1043
1.02
1.20
0.19
0.18
5.4
5.6
Hitachi
1480/5
1569/2
1244
1198
1.19
1.31
0.67
0.82
6.8
6.6
Matsushita Electric
1427/6
1265/5
1372
1081
1.04
1.17
0.50
0.66
6.1
6.0
Siemens
1392/7
764/10
1497
878
0.93
0.87
1.11
1.01
6.9
7.2
Mitsubishi Electric
1145/8
1190/7
1060
1044
1.08
1.14
0.53
0.77
6.0
6.0
Koninklijke Philips Electronics
1078/9
893/9
1017
819
1.06
1.09
0.53
0.66
5.8
6.3
Eastman Kodak
777/10
894/8
883
885
0.88
1.01
0.29
0.38
8.0
8.2
Sharp
742/11
566/13
640
483
1.16
1.17
0.83
0.84
5.4
5.5
General Electric
606/12
681/11
819
765
0.74
0.89
0.63
0.63
9.9
9.5
Tyco International
510/13
658/12
395
466
1.29
1.41
0.57
0.65
9.2
9.7
Tokyo Electron
476/14
210/16
188
105
2.53
1.99
0.21
0.11
6.3
5.5
Minolta
317/15
241/15
334
223
0.95
1.08
0.06
0.04
7.0
6.7
Murata
285/16
177/18
303
181
0.94
0.98
0.24
0.24
7.5
7.6
Sanyo Electric
254/17
190/17
257
186
0.99
1.02
0.29
0.57
5.7
6.1
Brother
245/18
177/18
225
182
1.09
0.97
0.03
0.04
6.3
6.2
Trimble Navigation
217/19
146/20
85
49
2.55
3.00
0.19
0.26
6.7
5.4
Raytheon
216/20
299/14
227
302
0.95
0.99
0.56
0.86
8.3
8.2
Emerson Electric
196/21
139/21
213
178
0.92
0.78
2.22
1.04
10.9
10.2
Alps Electric
193/22
90/22
205
94
0.94
0.96
0.03
0.07
5.7
6.2

*average

Indexing Innovation

Technology Review has teamed with CHI Research of Haddon Heights, NJ, to produce the Patent Scorecard, an industry-by-industry ranking of corporate patent portfolios. CHI combines the number of a firm’s patents with other indicators to flesh out this deeper picture of innovation. Here are the specifics:

Technology Strength: This figure, the basis of the rankings, provides an overall assessment of a firm’s intellectual-property power. It is calculated by multiplying the number of a company’s U.S. patents by its Current Impact Index (see below).

Number of Patents: The total number of U.S. patents awarded, excluding design and other special-case inventions.

Current Impact Index: This measure showcases the broader significance of a company’s patents by examining how often its U.S. patents from the previous five years are cited as “prior art” in the current year’s batch. A value of 1.0 represents average citation frequency; so 1.4 would indicate a company’s patents were cited 40 percent more often than average, and so on.

Science Linkage: Patents sometimes cite scientific papers as prior art. This value shows the average number of science references listed in a company’s U.S. patents. A high figure indicates the company is closer to the cutting edge than its competitors.

Technology Cycle Time: An indicator of a firm’s speed in turning leading-edge technology into intellectual property, defined as the median age (in years) of the U.S. patents cited as prior art in the company’s patents.

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