Nihon Parkerizing Co Ltd (Nihon) is a Japan-based surface modification specialist providing chemicals, equipment, and processing services that improve corrosion resistance, wear resistance, lubricity, and related functions across materials, supporting automotive, steel, machinery, and other industrial customers.

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Nihon R&D is positioned as the engine of its identity as a "surface modification specialist," aligned with its corporate philosophy of creating new resource value by modifying the surfaces of all materials. The R&D supports the company's three core domains: Chemicals, Equipment, and Processing, enabling the company to provide an integrated offering and respond quickly to shifts in customer needs, especially in automotive and heavy industry. The R&D strategy focuses on developing environmentally friendly surface-treatment technologies, expanding into non-traditional markets, and prioritizing decarbonization and next-generation mobility. The R&D organization is centered on the Parker Innovation Center (General Technology Research Institute) in Japan, which coordinates closely with domestic and overseas development bases. Specialized centers include the Technology Development Center, Processing Technology Development Center, Oily Product Technology Center, Manufacturing Technology Center, and Overseas Technology Center (Japan). These units collaborate with overseas technical sites such as Parker Surface Treatment Technology (Shanghai) and Parker Surface Technology Asia Pacific (Thailand). This structure combines core technology creation with application development close to customer production sites, enabling faster commercialization and region-specific adaptation. In FY2025, the company incurred expenses of JPY2,185 million on R&D, which as a percentage of revenue, stood at 1.7%.