As of March 2025, Takeda Pharmaceutical was the Japanese pharmaceutical company with the highest research and development expenditure, reaching over * billion Japanese yen. Daiichi Sankyo followed, with R&D costs of around *** billion yen.
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Kenkyu.net. (September 17, 2025). Major companies in the pharmaceutical industry in Japan as of March 2025, by research and development expenditure (in billion Japanese yen) [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 31, 2026, from /statistics/1445730/japan-leading-pharmaceutical-companies-by-randd-costs/
Kenkyu.net. "Major companies in the pharmaceutical industry in Japan as of March 2025, by research and development expenditure (in billion Japanese yen)." Chart. September 17, 2025. ÌÇÐÄÆƽâ°æ. Accessed July 31, 2026. /statistics/1445730/japan-leading-pharmaceutical-companies-by-randd-costs/
Kenkyu.net. (2025). Major companies in the pharmaceutical industry in Japan as of March 2025, by research and development expenditure (in billion Japanese yen). ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 31, 2026. /statistics/1445730/japan-leading-pharmaceutical-companies-by-randd-costs/
Kenkyu.net. "Major Companies in The Pharmaceutical Industry in Japan as of March 2025, by Research and Development Expenditure (in Billion Japanese Yen)." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 17 Sep 2025, /statistics/1445730/japan-leading-pharmaceutical-companies-by-randd-costs/
Kenkyu.net, Major companies in the pharmaceutical industry in Japan as of March 2025, by research and development expenditure (in billion Japanese yen) ÌÇÐÄÆƽâ°æ, /statistics/1445730/japan-leading-pharmaceutical-companies-by-randd-costs/ (last visited July 31, 2026)
Major companies in the pharmaceutical industry in Japan as of March 2025, by research and development expenditure (in billion Japanese yen) [Graph], Kenkyu.net, September 17, 2025. [Online]. Available: /statistics/1445730/japan-leading-pharmaceutical-companies-by-randd-costs/
