This chart shows the pharmaceutical companies 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.
For a global perspective, see the Drug companies with the greatest global patent coverage.
The companies with the greatest patent coverage in Japan are:
- Novartis
- Gilead Sciences Inc
- Takeda
- Boehringer Ingelheim
- Allergan
- Astrazeneca
- Alnylam
- Abbvie Inc
- Otsuka
- Janssen Prods
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