Serving leading biopharmaceutical companies globally:

Express Scripts
Colorcon
AstraZeneca
Deloitte
Teva
Argus Health
Fish and Richardson
Fuji
Covington
Merck

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.

The companies with the greatest patent coverage in Japan are:

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