"Optimum Piping Systems" by the globally-active IHARA SCIENCE
Company Outline

Company Outline

Headquarters Ihara Takanawa Building, 3-11-3 Takanawa, Minato ward, Tokyo 108-0074
Research and development Shizuoka (Izunokuni city), Gifu (Nakatsugawa city), and Yamagata (Higashine city)
Locations of sales offices Tokyo, Nagoya, Osaka, and overseas (Taiwan, China, South Korea, North America, Southeast Asia, Europe, Australia, and other areas)
Locations of factories Shizuoka (Izunokuni city and Izu city), Gifu (Nakatsugawa city), and Yamagata (Higashine city)
Line of businessFittings Bite type tube fittings (for steel and copper tubes), double ferrule type tube fittings (BI-Lok), swivel joints, automatic weld fittings (AWF), metal gasket seal fittings (VTF), etc.
Line of businessValves Metal diaphragm valves, bellows valves, check valves, ball valves, and stop valves
Line of businessOthers Metal flexible hoses, pipes, tubes, clamps, automatic precision tube cutters, and pre-set devices
Line of businessSystem design Units, cassettes, assembly, and maintenance
Capital 100 million yen
Date established April, 1941
Number of employees 632 (as of March 31, 2024)
Memberships Japan Pipe Fittings Association, Japan Fluid Power Industry Association, Japan Valve Industry Association, Process Instrument Control Technology Association
Certified qualifications ISO 9001/ISO14001 Certified Plants (DNV certification)
CP Division: Izu Nagaoka Factory,Nakaizu Factory, Yamagata Business Office
GP Division: Tsukechi No.1 Factory, Tsukechi No.2 Factory
High-Pressure Gas Facility Manufacturing Plant (CP Division Nakaizu Factory))
Product type approval Nippon Kaiji Kyokai (ClassNK), American Bureau of Shipping (ABS), Lloyd’s Register of Shipping (LR), Bureau Veritas, TUV, Det Norske Veritas Germanischer Lloyd (DNV GL)
Directors and officers Chairman/President Tokuo Nakano
Managing Director Susumu Karasawa
Director and Senior Advisor Masaji Nagao
Director Satoshi Nagaoka
Director Yutaka Nakakawaji
Director Tsutao Osaka
Director Hiromichi Furukawa
Auditor Itsurou Sumita
Auditor Toshirou Nakano
Auditor Sueo Satou
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