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Sumitomo Riko Develops High-Capacity Seismic Control System

on December 12, 2025 in Innovation

Sumitomo Riko has developed a new building material product, tentatively named the High-Capacity Seismic Control System, which has obtained Japan’s top-tier Ministry of Land, Infrastructure, Transport and Tourism (MLIT) certification for wooden structures: a wall strength ratio of 5.0. This ratio represents one of the highest public standards for structural capacity in wooden buildings. The new system incorporates high-performance friction...

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Surging Raw Material Costs Impact First Half Results: Okamoto

on December 11, 2025 in Products

Okamoto reported a decline in both revenue and profit for the first half of the fiscal year ending March 31, 2026 (April–September 2025), as rising raw material prices, the strong yen, and sluggish demand in China put pressure on its performance. Consolidated net sales fell 2.9% from a year earlier to 52.90 billion yen ($340.74 million), while operating profit dropped...

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Yokohama Rubber Opens Chinese New Passenger Car Tire Plant

on December 10, 2025 in Tires

Yokohama Rubber held an opening ceremony on November 22 for its new passenger car tire plant in Hangzhou, China. The event was attended by numerous local officials and business partners, with President and COO Shinji Seimiya representing the company. The new facility is the first one-year plant launched under Yokohama Transformation 2026 (YX2026), the company’s mid-term management plan running from...

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Flooding in South Asia: Minimal Impact on Japanese Rubber-Related Firms

on December 9, 2025 in Industry

The late-November floods that struck Southeast and South Asia have resulted in a major disaster, with the death toll exceeding 1,300. Amid the widespread damage, Japan Rubber Weekly surveyed Japanese rubber-related companies operating in the region. While some firms were temporarily forced to adjust production, most have since returned to normal operations, and overall damage appears to have been limited....

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Sumitomo Rubber Accelerates Global Expansion of Dunlop Brand

on December 8, 2025 in Tires

Sumitomo Rubber is ramping up its global expansion of the Dunlop brand. The company, which acquired in January trademark rights for four-wheel tires in Europe, North America, and Oceania, has already begun deploying the Dunlop brand globally, with some regional and product exceptions. On December 3, it announced that it had obtained exclusive rights to use the Dunlop trademark, excluding...

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Asahi Rubber Expects Higher Revenue and a Return to Profit

on December 5, 2025 in Products

Asahi Rubber’s financial results for the first half of the fiscal year ending March 31, 2026 (April–September 2025) show net sales of 3.89 billion yen ($24.95 million), a 5.2% increase year-on-year. Operating profit reached 122 million yen (compared with a 48-million-yen loss a year earlier), ordinary profit was 119 million yen (vs. a 57-million-yen loss), and net profit totaled 89...

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