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Chemicals
 

Company

Procter & Gamble
584/1
773/1
475
411
1.23
1.88
1.53
1.81
10.8
10.3
3M
558/2
703/2
494
541
1.13
1.30
2.14
2.34
10.6
10.6
DuPont
318/3
402/3
539
496
0.59
0.81
8.01
4.52
9.6
9.6
BASF
283/4
317/4
725
598
0.39
0.53
1.58
1.93
10.1
10.3
Bayer
182/5
251/5
467
523
0.39
0.48
4.07
2.04
10.3
9.4
Bridgestone
166/6
98/12
187
132
0.89
0.74
0.53
1.25
10.7
10.6
Dow Chemical
158/7
181/7
184
230
0.86
0.79
6.47
4.39
10.8
9.8
Cabot
140/8
33/18
50
19
2.79
1.74
3.34
5.67
11.9
10.2
Shin-Etsu Chemical
133/9
128/10
199
190
0.67
0.67
0.62
0.36
6.9
7.3
Agfa
131/10
130/8
222
186
0.59
0.70
0.07
0.13
7.2
7.4
E.ON
124/11
120/11
247
218
0.50
0.55
0.88
0.78
8.7
9.0
Ciba Specialty Chemicals
116/12
67/17
176
84
0.66
0.79
1.15
1.00
10.4
10.6
L’Air Liquide
110/13
74/15
126
88
0.87
0.84
0.68
0.85
9.0
9.6
Rohm and Haas
103/14
236/6
136
205
0.76
1.15
1.51
0.67
9.1
7.6
Air Products & Chemicals
100/15
79/14
108
80
0.93
0.98
2.01
1.29
10.1
9.2
Dow Corning
92/16
130/8
143
167
0.64
0.78
0.95
0.85
9.9
9.7
Mitsubishi Chemical
85/17
91/13
127
147
0.67
0.62
0.65
0.96
7.6
7.7
Sumitomo Chemical
78/18
73/16
173
156
0.45
0.47
1.17
1.29
9.2
8.1

*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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