Which pharmaceutical drugs have the most drug patents in Japan?

This chart shows the drugs with the most patents in Japan. Patents must be filed in each country (or, in some cases regional patent office) where patent protection is desired.…
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New patent for Helsinn Hlthcare drug AKYNZEO

Annual Drug Patent Expirations for AKYNZEO Akynzeo is a drug marketed by Helsinn Hlthcare and is included in two NDAs. It is available from one supplier. There are eighteen patents…
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