Derwent Innovations Index
(1963+)
Derwent Innovation Index covers over 14.3 million basic inventions from 40 worldwide
patent-issuing authorities from 1963 onwards. The database merges the patent
information from Derwent World Patents Index® with the patent
citation information from Derwent Patent Citation Index®. It facilitates
rapid, precise patent searching and citation searching of inventions in chemical,
electrical, electronic, and mechanical engineering .
Subject coverage: patents
Location: Web (remote access available)
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