|
U.S. Patents Granted by Country of Origin of Inventor, 1990-2003 |
|||
|
|
Total |
U.S. Origin |
% U.S. Origin |
|
Pre 1990 |
1,815,531 |
1,182,124 |
62.4% |
|
1990 |
90,365 |
47,391 |
52.4% |
|
1991 |
96,511 |
51,177 |
53.0% |
|
1992 |
97,444 |
52,253 |
53.6% |
|
1993 |
98,342 |
53,231 |
54.1% |
|
1994 |
101,676 |
56,066 |
55.1% |
|
1995 |
101,419 |
55,739 |
55.0% |
|
1996 |
109,645 |
61,104 |
55.7% |
|
1997 |
111,984 |
61,708 |
55.1% |
|
1998 |
147,518 |
80,289 |
54.4% |
|
1999 |
153,486 |
83,906 |
54.7% |
|
2000 |
157,494 |
85,068 |
54.0% |
|
2001 |
166,047 |
87,605 |
52.8% |
|
2002 |
167,333 |
86,972 |
52.0% |
|
2003 |
169,028 |
87,901 |
52.0% |
|
Source: National Science Foundation, Science and Engineering Indicators 2006, Appendix Table 6-12. (Percents calculated by author.) |
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|
Major Patents, by residence of inventor, 1985-2000 |
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|
|
Thousands |
% of Total |
||||||
|
Year |
Total |
U.S. |
EU |
Japan |
Total |
U.S. |
EU |
Japan |
|
1985 |
22.88 |
7.82 |
8.39 |
5.26 |
100.0% |
34.2% |
36.7% |
23.0% |
|
1986 |
24.51 |
8.14 |
8.98 |
5.94 |
100.0% |
33.2% |
36.6% |
24.3% |
|
1987 |
28.18 |
9.09 |
9.82 |
7.56 |
100.0% |
32.3% |
34.8% |
26.8% |
|
1988 |
30.68 |
10.08 |
10.28 |
8.66 |
100.0% |
32.9% |
33.5% |
28.2% |
|
1989 |
33.19 |
10.91 |
10.58 |
9.96 |
100.0% |
32.9% |
31.9% |
30.0% |
|
1990 |
32.73 |
11.17 |
9.94 |
9.93 |
100.0% |
34.1% |
30.4% |
30.3% |
|
1991 |
29.92 |
10.22 |
9.12 |
8.90 |
100.0% |
34.1% |
30.5% |
29.7% |
|
1992 |
29.91 |
10.57 |
9.42 |
8.17 |
100.0% |
35.3% |
31.5% |
27.3% |
|
1993 |
30.63 |
10.53 |
11.64 |
8.46 |
100.0% |
34.4% |
38.0% |
27.6% |
|
1994 |
32.08 |
11.10 |
10.75 |
8.21 |
100.0% |
34.6% |
33.5% |
25.6% |
|
1995 |
35.50 |
12.31 |
11.49 |
9.43 |
100.0% |
34.7% |
32.4% |
26.6% |
|
1996 |
40.44 |
14.73 |
12.67 |
10.58 |
100.0% |
36.4% |
31.3% |
26.1% |
|
1997 |
42.10 |
14.76 |
13.28 |
11.21 |
100.0% |
35.1% |
31.6% |
26.6% |
|
1998 |
43.15 |
14.81 |
14.00 |
11.20 |
100.0% |
34.3% |
32.5% |
25.9% |
|
1999 |
43.64 |
15.08 |
13.63 |
11.73 |
100.0% |
34.6% |
31.2% |
26.9% |
|
2000 |
43.66 |
14.99 |
13.70 |
11.76 |
100.0% |
34.3% |
31.4% |
26.9% |
|
avg., 1985-2000 |
33.95 |
11.64 |
11.11 |
9.18 |
100.0% |
34.3% |
32.7% |
27.0% |
|
Note: Major patents are those for which patent protection is sought in all three major markets: the U.S., Europe, and Japan. |
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|
Percents calculated by author. |
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|
Source: National Science Foundation, Science and Engineering Indicators 2006,Source data for Figure 6-28. |
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|
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Edwin S. Rubenstein (email him) is President of ESR Research Economic Consultants in Indianapolis.
