| Table 5-29 |
| U.S. patents that cite S&E literature,
by nationality of inventor: 1990, 1996, and 2001 |
| |
 |
| |
1990 U.S. patents |
|
1996 U.S. patents |
|
2001 U.S. patents |
|
|
|
|
|
|
| |
Total |
Citing S&E
literature |
|
Total |
Citing S&E
literature |
|
Total |
Citing S&E
literature |
|
| |
Number |
|
|
| U.S. patents |
90,379 |
6,367 |
|
109,687 |
12,894 |
|
166,039 |
21,155 |
|
|
| Nationality of inventor |
Percent distribution |
|
|
| Worldwide |
100.0 |
100.0 |
|
100.0 |
100.0 |
|
100.0 |
100.0 |
| North America |
54.5 |
64.9 |
|
57.6 |
66.8 |
|
55.0 |
68.1 |
| Canada |
2.1 |
1.7 |
|
2.0 |
2.0 |
|
2.2 |
2.6 |
| Mexico |
0.0 |
0.1 |
|
0.0 |
0.1 |
|
0.0 |
0.0 |
| United States |
52.4 |
63.1 |
|
55.5 |
64.7 |
|
52.8 |
65.4 |
| Western Europe |
21.1 |
18.3 |
|
16.4 |
15.5 |
|
18.1 |
16.8 |
| France |
3.2 |
3.0 |
|
2.6 |
2.7 |
|
2.4 |
2.5 |
| Germany |
8.4 |
6.1 |
|
6.2 |
4.5 |
|
6.8 |
4.8 |
| Italy |
1.4 |
0.8 |
|
1.1 |
0.8 |
|
1.0 |
0.9 |
| Netherlands |
1.1 |
1.3 |
|
0.7 |
0.8 |
|
0.8 |
0.9 |
| Sweden |
0.8 |
0.4 |
|
0.8 |
0.7 |
|
1.0 |
0.9 |
| Switzerland |
1.4 |
1.7 |
|
1.1 |
0.9 |
|
0.9 |
1.1 |
| United Kingdom |
3.1 |
3.7 |
|
2.3 |
3.1 |
|
3.2 |
3.3 |
| Other |
1.6 |
1.3 |
|
1.6 |
1.9 |
|
2.0 |
2.3 |
| Asia |
22.8 |
15.6 |
|
24.3 |
15.9 |
|
25.9 |
12.7 |
| Japan |
21.6 |
15.2 |
|
21.0 |
14.7 |
|
20.0 |
10.6 |
| Emerging East Asia |
1.2 |
0.3 |
|
3.3 |
1.1 |
|
5.8 |
1.8 |
| Other |
0.0 |
0.1 |
|
0.0 |
0.1 |
|
0.1 |
0.3 |
| Other regions/countries |
1.6 |
1.3 |
|
1.7 |
1.8 |
|
1.6 |
2.4 |
|
|
| |
NOTES: Emerging East Asia consists
of China, Hong Kong, Singapore, South Korea, and Taiwan. The number
of U.S. patents and nationality of inventor are based on U.S. patents
that reference S&E articles in journals classified and tracked
by the Institute of Scientific Information’s Science Citation
Index. Percents may not sum to 100 because of rounding.
SOURCES: U.S. Patent and Trademark Office; Institute for Scientific
Information, Science Citation Index; CHI Research, Inc.; National
Science Foundation, Division of Science Resources Statistics, special
tabulations. |
| |
| Science & Engineering Indicators
— 2004 |
|
Source Links:
Source data 
|
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