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Heian Period
Kobo Daishi Kukai returned home from the Chinese Tang Dynasty. He introduced state-of-the-art bronze casting technology. The Denrai casting technology group was established in Kadono, Kyoto, inheriting this technology. Thereafter, the best pupil in the group with the highest skills succeeded Denrai.
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Kamakura, Muromachi and Edo Period
Mainly involved in casting large-scale bronze ornamental metals for large temples and shrines in Kyoto and Nara Prefecture.
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Meiji Period
Involved in casting of large-scale bronze ornamental metals for famous temples all over Japan.
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Wasaburo Hashimoto (father of Naraji Hashimoto, the present Chairman) succeeded the long-established name Denrai.
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The corporate name was changed to Hashimoto Alloy Foundry and the company moved into the modern casting of mechanical parts.
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Established a corporation under the name Hashimoto Alloy Foundry.
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Designated a rationalization model factory by the Small- and Medium-Sized Enterprise Agency.
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Concluded a technical tie-up agreement with Marine Durant[G1] (Grenoble, France).
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Naraji Hashimoto and Narao Hashimoto assumed the position of Representative Director.
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Purchased premises of 5,610 square meters at the present location, newly built the general plant and relocated departments into the new plant.
Capital was increased to 18 million yen.
Constructed the Maebashi Plant in Sojamachi, Maebashi City, Gunma Prefecture.
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Wasaburo Hashimoto received the Fifth Class Medal of the Order of the Sacred Treasure.
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Introduced the new casting technology called the V-Molding Process for the first time in the industry and started mass-production casting of large-size aluminum casting panels for architectural cladding.
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Divided the Maebashi Plant and established Maebashi Hashimoto Alloy Co., Ltd., as an independent corporation.
Exhibited products in the Euroshop Show held in Dusseldorf, Germany.
Concluded a technical tie-up agreement with Permaline Metals[G2] (Manila, Philippines).
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Divided the Maebashi Plant and established Maebashi Hashimoto Alloy Co., Ltd., as an independent corporation.
Exhibited products in the Euroshop Show held in Dusseldorf, Germany.
Concluded a technical tie-up agreement with Permaline Metals[G2] (Manila, Philippines).
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Designated as an experimental craft center in the "8th World Craft Conference, Kyoto".
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Cast and installed the world-largest aluminum casting relief in the lobby of the JR Osaka Station Building.
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Made a full-scale entry into the field of architectural lighting systems using optical fiber.
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Completed the new V-PRO plant and the new V-PRO production lines.
Established Kyushu Hashimoto Alloy Co., Ltd.
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Changed the corporate name to Denrai Kohbo Co., Ltd.
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Aluminum casting curtain wall called D-CASION received Ministry of International Trade and Industry's(MITI) Good Design Award.
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Naraji Hashimoto assumed the position of Chairman and Representative Director.
Kazuyoshi Hashimoto assumed the position of President and Representative Director.
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Cast and installed the bronze handrail at Nijyubashi-mae, Kokyo Gaien.
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Established the study group for creating comfortable homes.[G3]
Concluded a distributorship agreement with Kyocera for solar panels.
Concluded a real estate distributorship agreement.
Concluded a joint-development agreement concerning fluctuated lighting equipment.
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Established the study group for creating comfortable homes.[G3]
Concluded a distributorship agreement with Kyocera for solar panels.
Concluded a real estate distributorship agreement.
Concluded a joint-development agreement concerning fluctuated lighting equipment.
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Entered into the custom-made housing business under the brand name Denrai Kohbo's House.
Established P.D.I. (Philippine Denrai, Inc.).
Acquired ISO 9001 certification.
Consolidated Kyushu Hashimoto Alloy Co., Ltd., with Maebashi Hashimoto Alloy Co., Ltd.
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Started construction of casting plant for P.D.I. (Philippine Denrai, Inc.).
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Established the Dea's Garden brand for garden exteriors of general housing, derived from the name Denrai