Sumitomo

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Sumitovant Closes Myovant Purchase

US biopharma Sumitovant – a wholly owned subsidiary of Japan’s Sumitomo Pharma – has closed its purchase of the remaining equity in Myovant Sciences, taking full control of the Swiss clinical-stage biopharma for about $1.7 billion. Myovant will now be delisted from the New York Stock Exchange.

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Yara and Sumitomo Collaborate on Clean Ammonia

Fertilizer giant Yara has entered into a Memorandum of Understanding (MoU) with Sumitomo Chemical under which the Norwegian group will examine the supply of clean ammonia to the Japanese firm’s production plants. Sumitomo would use the clean ammonia for producing petrochemicals and plastics and/or distributing energy out of its plants in Japan.

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Rentschler Biopharma Extends Japanese Pact

German biopharmaceuticals contract development and manufacturing organization Rentschler Biopharma is extending and deepening its existing collaboration in Japan with Summit Pharmaceuticals International (SPI), a wholly owned subsidiary of Sumitomo.

Free Virtual Event

Batteries and Hydrogen: Competitors or Partners?
CHEManager Spotlight

Batteries and Hydrogen: Competitors or Partners?

17 September 2026 | Reserve your spot to learn where solid-state batteries and green hydrogen are headed—and how leading teams are turning them into scalable energy storage solutions.