Toyo Suisan Kaisha Ltd (TSK) is a food manufacturing company that procures, processes, produces and sells various food products.

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TSK's R&D arm focuses on food research through its General Research Institute, covering product development, new product concepts, and analysis and verification across ambient, chilled, and frozen categories. The company strives to improve noodle-making, seafood processing, processed-rice, and freeze-dried food technologies, supported by sensory evaluation and analytical methods to assess product quality. It plans to develop products addressing health, convenience, shelf life, plant-based ingredients, and changing dietary needs, while considering raw-material availability and climate-related risks. The company aims to apply research and commercialization knowledge developed in Japan to overseas instant noodle operations and to support product quality improvements and new product development. In FY2026, the company incurred an R&D expense of JPY1,564 million which as a percentage of revenue, stood at 0.2%.