Table 4.
Data summary of nanotechnology patents in USPTO
| Country | Year | Patents | Assignees | Inventors |
|---|---|---|---|---|
| China | 1989–2007 | 162 | 104 | 364 |
| Russia | 1980–2007 | 30 | 32 | 147 |
| India | 1983–2007 | 115 | 41 | 386 |
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