・Limited Partnership Arai Seisakusho is established in Asakusaishihama-cho with capital of 200,000 yen. Commenced manufacturing and sales of industrial use leather packing and leather buttons (patented).

・Focus on the future of synthetic rubber. Using the synthetic rubber, nitrile rubber (NBR), we commence its application in oil seals and a quest of its sealing characteristics.

・Total suspension of the manufacturing of leather buttons and leather packing. 180° shift to the unknown world of synthetic rubber.
・Development of a synthetic rubber oil seal. Bringing out oil’s ‘absorption effect’, an advanced seal is completed.

・Reorganized into Arai Seisakusho Co., Ltd. Capital increased to 2 million yen.

・Ars rubber seals are fully adopted in the intermediate shaft of Yamaha motorcycle’s racing bikes 2 stroke 2 cylinder engines and they make a clean sweep of the Asama race. The superior nature of the technology is recognized.

・Capital increased to 4 million yen.
・Inaugural exhibition in a motor show.
・The Ars rubber seal is adopted for all of Yamaha’s vehicle models.

・The Ars rubber seal is first used in a Honda race car.

・Capital increased to 9.7 million yen.
・An Office is established in Hamamatsu.

・Honda motorcycles monopolize positions 1st to 6th at the United Kingdom’s Isle of Man TT race (all utilized Ars seals). Japanese vehicles establish global domination and it is the golden period of Japanese made motorcycles.
・Capital increased to 25 million yen.

・Capital increased to 50 million yen.

・As a result of Tokyo Small and Medium Business Investment & Consultation Co., Ltd. 30％ equity participation, capital increased to 100 million yen.
・Osaka Sales Office established.

・Completion of No. 1 works at Tsukuba Factory and operation commencement.

・Nagoya Sales Office established.

・Valve stem seals (AF products) are fully adopted in Toyota vehicles’r – series engines.

・A fully fledged manufacturing factory is constructed at the Tsukuba Factory.
・A fixed roller is developed for copiers.

・Akita Ars Co., Ltd., a joint venture company, is established in Hachimori-machi, AkitaPrefecture.

・Kumamoto Sales Office opened.
・Capital increased to 250 million yen. 　

・Through business and technological collaboration with gasket maker, Sowa Industries Co., Ltd. established a regime towards an integrated seals industry.

・Opened Sagami Office which focused on the sales of copier rollers.
・Established a production regime for motorcycle engines’ reed valves and commenced manufacturing and sales.
・The new product ‘FS seal’ (uses arfron) is announced and the international patent applied for.
・Announcement of the manufacturing and sales of a mechanical seal.
・Capital increased to 400 million yen via share assignment to third parties. 　

・A new factory (Mase Factory) for reed valve manufacturing completed in Mase, Yatabe-machi, Tsukuba-shi.

・Saitama Sales Office opened.

・Establishment of a joint venture company through capital participation in Indonesia’s Arta タマリスカ社. (Former name: P.T. Ars Artamara Oil Seal Industry Indonesia).

・Tochigi Office opened in Haga-machi, Haga-gun, Tochigi Prefecture.
・Completion of the Tsukuba-nishi Factory which manufactures OA device parts such as rollers and blades. Company establishment 30 years commemorative ceremony held at the same factory.
・Iwate Arai Co., Ltd. established in Iwaizumi-cho, IwatePrefecture.
・Ars products are adopted in F1 machines, the pinnacle of motor races.

・New product ‘KZ seal’ is released.

・A.R.S. Manufacturing Inc. established in the Norfolk Airport Industrial Park, City of Virginia Beach, Virginia, America as a wholly owned subsidiary of Arai Seisakusho.

・Signing of an oil seal technology cooperation agreement with India’s Hi-Tech Arai Limited.
・Establishment of P.T. Arai Rubber Seal Indonesia within Tangerang Province’s Manis Industrial Estate, as a joint venture with Indonesia’s Astra Group and Japan-ASEAN Investment. (Former name: P.T. Astra Rubber Seal Industry).

・Establishment of Thai Arai Co., Ltd. in Thailand’s Sriracha City, Chon Buri Province, as a joint venture with Thailand’s Saha Pathana Interholding, Thai-Yazaki Electric Wire Co., Ltd., Japan-ASEAN Investment and Mitsubishi Corporation.

・Niigata Arai Co., Ltd. is established in Toka-machi, Niigata Prefecture (former name: Koei Seisakusho Co., Ltd).

・Undertake capital participation in India’s Hi-Tech Ancillaries Ltd. along with Mitsubishi Corporation and the company’s name is changed to Hi-Tech Arai Limited.

・Establishment of Wuhan Arai Oil Seal Mfag. Co., Ltd. (former name: Wuhan Arai Oil Seal Mfg. Co., Ltd.) in Wuhan City, China as a joint venture with 洪山区物資協作開発公司, キナジー社 and Huazhong University of Science ＆Technology.

Acquired ‘ISO9001 quality assurance’.

・Through a doubling of capital invested in Takaei Seisakusho Co., Ltd., it is made a wholly owned subsidiary and the company name is changed to Niigata Arai Co., Ltd.
・Establishment of Arai International Corporation (H.K.) Ltd. in Hong Kong.

・Dong Guan Arai Rubber Products Ltd. established in Dong Guan City, Guangdong Province, China.

・Environment management system ‘ISO14001 standard’ accreditation received.
・Completion of Dong Guan Arai Rubber Products Ltd.’s new factory.
・‘ISO 9001:2000 standard’ accreditation received.

・Automobile seals manufacturing and sales business collaboration entered into with JTEKT Corporation (formerly, Koyo Seiko Co., Ltd.).

・Vietnam ARAI Co., Ltd. established in Hai Phong City, Vietnam.

・Moved Head Office to TAITO-KU, TOKYO.