Crossmark

Mapping patent classifications: portfolio and statistical analysis, and the comparison of strengths and weaknesses

Crossref DOI link: https://doi.org/10.1007/s11192-017-2449-0

Published Online: 2017-07-01

Published Print: 2017-09

Update policy: https://doi.org/10.1007/springer_crossmark_policy

Authors

Leydesdorff, Loet http://orcid.org/0000-0002-7835-3098
Kogler, Dieter Franz

Yan, Bowen
Funding

Funding for this research was provided by:

Academic Research Fund Tier 2 of the Singapore Ministry of Educatopm

European Research Council (715631)
License Information

License valid from 2017-07-01