Đang tải…
Trends in worldwide nanotechnology patent applications: 1991 to 2008
Nanotechnology patent applications published during 1991–2008 have been examined using the “title–abstract” keyword search on esp@cenet “worldwide” database. The longitudinal evolution of the number of patent applications, their topics, and their respective patent families have been evaluated for 15...
| Những tác giả chính: | , , , , |
|---|---|
| Định dạng: | Texto |
| Ngôn ngữ: | English |
| Được phát hành: |
Springer Netherlands
2009
|
| Những chủ đề: | |
| Truy cập trực tuyến: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2988206/ https://www.ncbi.nlm.nih.gov/pubmed/21170123 http://dx.doi.org/10.1007/s11051-009-9831-7 |