- Business
- Nitto Boseki Co., Ltd. manufactures, processes, and sells glass fiber products, chemical products, pharmaceutical products, and textile products primarily in Japan with global operations. The company operates through segments including electronic materials with glass fiber yarn and cloth for printed circuit boards, low thermal expansion glass cloth (NE-glass, T-glass) for high-performance servers and semiconductors; life science with in vitro diagnostic reagents such as Serum IgG4 for clinical analyzers; industrial materials featuring glass fiber for reinforced plastics, glass wool for thermal insulation, and vibration-damping materials for automobiles; textiles encompassing core-spun yarn, stretch fabrics, interlining, and functional materials like biodegradable double dot adhesive interlining; chemicals including functional polymers (polyallylamine series), nanocomposite materials, and specialty products for daily applications; and other operations such as dishcloths and beverages. Founded in 1923 (with roots tracing to 1898 via predecessor Koriyama Kenshi Boseki Co., Ltd.), Nitto Boseki maintains headquarters in Tokyo's Chiyoda-ku and a head office in Fukushima, employing 2,745 consolidated staff as of March 2025.
Recent developments include receiving JPY 2.4 billion in government grants from Japan's Ministry of Economy, Trade and Industry in August 2025 to bolster domestic production of low thermal expansion glass cloth for advanced logic integrated circuits; Nittobo Medical securing Taiwan Food and Drug Administration approval in February 2025 for its Serum IgG4 reagent; launching a filament-type biodegradable interlining in May 2025 via Nittobo Advantex in partnership with Bioworks to promote fashion industry recycling; subsidiaries Nittobo Fukushima Enterprise Center and Fuji Fiber Glass Co., Ltd. attaining ISCC PLUS certification for sustainable materials in October and November 2024, respectively; achieving trial success in November 2025 for recycling flat glass fiber from waste solar panels; and unveiling a new organic polymer in September 2025 for recyclable water-based batteries.