Find the most adequate FI and F-terms

New patent information service, J-PlatPat, was launched on March 23rd 2015. The major update for English speaker is a keyword search service in English for Japanese classification (FI, F-terms) in Patent Map Guidance (PMGS). Some other tools and information are provided to find adequate FI and F-terms for English speaker. This article addresses FI/ F-terms, keyword search and these tools.