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Sumitomo Rubber Profits Up on Structural Reforms: 9M Results

on November 20, 2025 in Tires

Sumitomo Rubber announced its IFRS-based consolidated results for the first nine months of the fiscal year ending December 2025 (January–September). Revenue came to 861.61 billion yen ($5.56 billion), down 1.5% year-on-year, while business profit decreased 21.1% to 48.51 billion yen. Net profit, however, rose sharply to 26.01 billion yen, an increase of 542.3%. Although business profit declined, both operating profit...

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Sumitomo Rubber Achieves Level 3 in Automotive SPICE Certification

on October 21, 2025 in Tires

Sumitomo Rubber has achieved process capability level 3 in Automotive SPICE, the international framework for evaluating automotive software development maturity, as confirmed by an assessment from third-party certifier SGS Japan. The milestone recognizes that the company has established software development processes compliant with international standards. Sumitomo Rubber plans to build on the achievement to accelerate development of its growth business,...

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Sumitomo Rubber Makes First Appearance at Tokyo Game Show 2025

on October 10, 2025 in Products

Sumitomo Rubber made its debut at the Tokyo Game Show 2025, held at Makuhari Messe from September 25 to 28, where it presented a sales booth for Dunlop’s eSports brand Gaming Muscle. The company exhibited a range of products that had previously been available exclusively through its online store, including arm supporters, posture-assist innerwear, and compression core-support tights. It also...

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Sumitomo Rubber Supplies Sustainable Tires at All-Japan Kart Championship

on September 26, 2025 in Industry, Tires

The fifth and sixth rounds of the EV category in the All-Japan Kart Championship, featuring one-make tire supply by Sumitomo Rubber, were held on September 14 at Citycircuit Tokyo Bay in Koto-ku, Tokyo. In 2023, Sumitomo Rubber formulated its unique circular economy initiative, Towanowa, within its tire business. The company is promoting the use of sustainable raw materials in its...

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Sumitomo Rubber Positions eSports as Third Core Business

on September 25, 2025 in Products

Sumitomo Rubber is making a serious push into the eSports market. In 2022, the company launched arm supporters under the Dunlop Gaming Muscle brand and has since expanded the product lineup. Leveraging its player-first philosophy, cultivated through supporting top athletes in golf and tennis, Sumitomo Rubber aims to appeal to younger audiences with the Dunlop brand while simultaneously developing adjacent...

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Sumitomo Rubber and Tohoku University Visualize Strain-Induced Crystallization Distribution in Rubber

on September 17, 2025 in Industry, Materials

Sumitomo Rubber, in collaboration with professors at Tohoku University’s Institute of Multidisciplinary Research for Advanced Materials, has succeeded in visualizing the nanometer-scale distribution of strain-induced crystallization inside polyisoprene rubber, a synthetic polymer with the same chemical structure as natural rubber. In general, when rubber is subjected to large deformations, the polyisoprene molecular chains are stretched, causing strain-induced crystallization, which is...

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