{"id":418,"date":"2017-01-26T14:45:28","date_gmt":"2017-01-26T05:45:28","guid":{"rendered":"https:\/\/tokaibane.com\/?page_id=418"},"modified":"2026-01-28T18:10:01","modified_gmt":"2026-01-28T09:10:01","slug":"%e4%bc%9a%e7%a4%be%e6%a6%82%e8%a6%81","status":"publish","type":"page","link":"https:\/\/www.tokaibane.com\/en\/about-us\/company-profile","title":{"rendered":"Company Profile"},"content":{"rendered":"
\n

\"company<\/h3>\n
\n

Tokai Spring industries, Inc.<\/p>\n

Pioneers in Custom-Made Springs for High-Mix, Low-Volume Production<\/p>\n

About Us<\/h3>\n

Since our founding in 1934, Tokai Spring has remained committed to a single guiding principle:
\nto support clients who face challenges even with just one spring.<\/p>\n

We believe that fulfilling this mission requires more than simply supplying springs with the required shape or function.
\nFor everyone who relies on single springs\u2014whether individuals or companies\u2014we provide comprehensive support that goes beyond manufacturing.
\nThis includes responding to all types of spring-related inquiries, offering technical consultation, and delivering reliable after-sales support.<\/p>\n

Looking ahead, we will continue to listen carefully and respond sincerely to our customers\u2019 needs.
\nAcross a wide range of industries\u2014including aerospace, machine tools, energy, seismic isolation, medical, semiconductor, and professional equipment\u2014we strive to bring to life the idea:
\n\u201cIt would be ideal if a spring manufacturer like this existed.\u201d<\/p>\n

Taking on challenges that others hesitate to accept has been, and will continue to be, Tokai Spring\u2019s core competence since our establishment.<\/p>\n

\n
Main office<\/dt>\n
12F Nishihon-machi Intes, 2-3-10 Nishihon-machi, Nishi-ku, Osaka 550-0005 Japan
\nTel: +81-6-7507-2647 Fax: +81-6-6541-3592<\/dd>\n
Toyooka,
\nKamiyoshidai
Factory<\/dt>\n
157-21 Kamiyoshidai, Toyooka, Hyogo 668-0831 Japan
\nTel: +81-796-29-5730 Fax: +81-796-29-5750<\/dd>\n
Capital<\/dt>\n
JPY 96,445,000<\/dd>\n
Number of employees<\/dt>\n
86<\/dd>\n
Director<\/dt>\n
Representative Director Naokazu Natsume<\/dd>\n
Main Products<\/dt>\n
Metal spring manufacturing
\n\u2022 Hot-formed compression springs
\n\u2022 Cold-formed compression springs
\n\u2022 Disc springs
\n\u2022 Flat springs<\/dd>\n<\/dl>\n

Special Features<\/h3>\n
\n
\u25cfHigh-mix low-volume manufacturing; average order quantity: 5 pieces
\n\u25cfCompression springs: maximum material diameter = 90 mm; maximum outer diameter = 600 mm
\n\u25cfRapid and Optimal Design Proposals for Customer Challenges: Spring design support system \u201cUNCLE\u201d
\n\u25cfSpring Testing and Evaluation Services: Fatigue testing by spring specialists and ongoing research and development
\n\u25cfSpring Maintenance Services: Comprehensive spring maintenance program \u201cRE:SPRING\u201d
\n\u25cfEasy Reordering of Previously Supplied Springs: Repeat order system \u201cRe-Order\u201d
\n\u25cfISO9001, ISO14001, and JISQ9100
\n\u25cfFull traceability across the entire manufacturing history
\n\u25cfLeading market share in niche industries including power generation, safety valves, machine tool spindles, aerospace applications, and water gate systems<\/div>\n<\/div>\n

Products & Services<\/h4>\n

Various Types of Springs
\nCompression springs, extension springs, torsion springs, disc springs, conical springs, leaf springs, rectangular-wire helical springs, wave springs, and other spring types<\/p>\n

\u25cfCoil Springs:
\nFrom ultra-miniature sizes to ultra-large sizes<\/p>\n

\u25cfDisc Springs:
\nLarge disc springs and disc springs for machining center spindles<\/p>\n

\u25cfLeaf Springs, Wave Springs, Flat Spiral Springs<\/p>\n

\u25cfSpring Testing & Evaluation Services:
\nFatigue testing, non-destructive testing, material analysis, and more<\/p>\n

\u25cfMaintenance Services:
\nSpring inspection, drawing reconstruction (reverse engineering), and rapid-response support<\/p>\n

\u25cfTool Remake Services:Tool regrinding services<\/p>\n

Main Industries<\/h3>\n

Our springs have been adopted across a wide range of industries, including aerospace, machine tools, energy and valve systems, seismic isolation and vibration control systems, information and communication equipment, electronics, environmental and chemical industries, water gates and bridges, industrial machinery, marine applications, medical and nursing care equipment, food processing machinery, robotics, research institutions, furniture and interior products, as well as cultural and artistic fields.<\/p>\n

Key Applications<\/h4>\n

\u25cfSprings for Aerospace Rockets:Springs for cryogenic environments (down to \u2212273\u00b0C), ensuring reliable operation even in outer space.
\n\u25cfDisc Springs for Machine Tool Spindles:Achieve 1\/2 DIN standard tolerance, concentricity of 0.05 mm or less, and a 50% reduction in size.
\n\u25cfSprings for Safety Valves:Solve issues related to lateral loads, resulting in extended service life and stable operation.
\n\u25cfSprings for Seismic Isolation and Vibration Control Systems:Compression and extension springs, as well as disc springs for friction dampers.
\n\u25cfWater Gate Systems:Large stainless steel springs providing excellent corrosion resistance, with design and manufacturing based on precise measurement of sample components.<\/p>\n

<\/a><\/p>\n

Delivery record<\/h4>\n

Aichi Steel Corporation\u3000China Steel Corporation\u3000CKD Corporation.
\nDMG MORI Co., Ltd.\u3000FANUC Corporation\u3000Fukui Seisakusho Co., Ltd.
\nFukushima Ltd.\u3000Honda R&D Co., Ltd.\u3000IHI Corporation\u3000Individual Customer
\nJapan Railways Group\u3000JAXA\u3000JFE Steel Corporation
\nKawasaki Heavy Industries, Ltd.\u3000Kobe Steel, Ltd.
\nKOBELCO Construction Machinery Co., Ltd.\u3000Komatsu Ltd.
\nKyokuto Kaihatsu Kogyo Co., Ltd.
\nMitsubishi Heavy Industries Machinery Systems, Ltd.
\nMitsubishi Heavy Industries, Ltd.
\nMoog China\u3000Moog Japan Ltd.
\nNEC Corporation\u3000Nippon Cable Co., Ltd.\u3000Nippon Steel Corporation
\nNissin Electric Co., Ltd.\u3000Okano Valve Mfg. Co., Ltd.\u3000Okuma Corporation
\nRIKEN\u3000Sharp Corporation\u3000Shimadzu Corporation\u3000Taiyo, Ltd.
\nThe University of Tokyo\u3000Toshiba Corporation\u3000Yamaha Motor Co., Ltd.
\nYamazaki Mazak Corporation<\/p>\n

Quality & Testing System<\/h3>\n

\u25cfCertifications:ISO9001, ISO14001, and JISQ9100 (Aerospace Quality Management System)
\n\u25cfTesting & Analysis Capabilities:Long-term load relaxation testing, special environmental testing, FEM analysis, and non-destructive testing
\n\u25cfDelivery Performance:On-time delivery rate of 99.9%<\/p>\n

<\/a><\/p>\n

Awards & Recognitions<\/h3>\n

\u25cf2008: Porter Prize
\n\u25cf2009:Grand Prize at the SME IT Management Excellence Awards 2009(Minister of Economy, Trade and Industry Award)
\n\u25cfFeatured in numerous technical journals and industry publications
\n\u25cf2015:The 6th Monodzukuri Nippon Grand Award(Minister of Economy, Trade and Industry Award)
\n\u25cf2018:Selected by the Ministry of Economy, Trade and Industry as a \u201cRegional Future-Driving Company\u201d<\/p>\n

Company History (Highlights)<\/h3>\n\n\n\n\n\n\n\n\n\n\n\n\n\n
1934<\/th>\nBegan manufacturing metal springs in Osaka, Japan<\/td>\n<\/tr>\n
1944<\/th>\nEstablished Tokai Spring<\/td>\n<\/tr>\n
1951<\/th>\nCompletion of hot-formed coil spring factory in Fukushima-ku, Osaka<\/td>\n<\/tr>\n
1971<\/th>\nOpened a new factory in Itami City, Hyogo Prefecture, and began operations as a comprehensive spring manufacturer<\/td>\n<\/tr>\n
1995<\/th>\nReceived ISO9001 certification<\/td>\n<\/tr>\n
2013<\/th>\nReceived JISQ9100 certification and completed full relocation of manufacturing facilities to Toyooka City, Hyogo Prefecture<\/td>\n<\/tr>\n
2016<\/th>\nRelocated Head Office to Nishi-ku, Osaka<\/td>\n<\/tr>\n
2018<\/th>\nSelected by the Ministry of Economy, Trade and Industry as a
\n\u201cRegional Future-Driving Company\u201d<\/td>\n<\/tr>\n
2022<\/th>\nReceived \u201cJapan\u2019s Most Cherished Companies\u201d Award by Society for Management That Values People<\/td>\n<\/tr>\n
2024<\/th>\nCompletion of Tokai Lab \u2014 Open Innovation and Collaboration Space<\/td>\n<\/tr>\n
2025<\/th>\nExhibited at the Osaka\u2013Kansai Expo<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Contact Us<\/h3>\n

For First-Time Customers:Even if you do not have drawings, we can reproduce springs based on actual samples.For technical consultations or spring quotations<\/p>\n

\u25b6 please contact us here<\/a><\/p>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

Tokai Spring industries, Inc. Pioneers in Custom-Made Springs for High-Mix, Low-Volume Production About Us Since our founding in 1934, Tokai Spring has remained committed to a single guiding principle: to support clients who face challenges even with just one spring. We believe that fulfilling this mission requires more than simply supplying springs with the required shape or function. For everyone who relies on single springs\u2014whether individuals or companies\u2014we provide comprehensive support that goes beyond manufacturing. This includes responding to all types of spring-related inquiries, offering technical consultation, and delivering reliable after-sales support. Looking ahead, we will continue to listen carefully and respond sincerely to our customers\u2019 needs. Across a wide … Continue reading “Company Profile”<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"parent":121,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"com-page-detail.php","meta":{"_bbp_topic_count":0,"_bbp_reply_count":0,"_bbp_total_topic_count":0,"_bbp_total_reply_count":0,"_bbp_voice_count":0,"_bbp_anonymous_reply_count":0,"_bbp_topic_count_hidden":0,"_bbp_reply_count_hidden":0,"_bbp_forum_subforum_count":0},"tags":[],"acf":[],"_links":{"self":[{"href":"https:\/\/www.tokaibane.com\/en\/wp-json\/wp\/v2\/pages\/418"}],"collection":[{"href":"https:\/\/www.tokaibane.com\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.tokaibane.com\/en\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.tokaibane.com\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.tokaibane.com\/en\/wp-json\/wp\/v2\/comments?post=418"}],"version-history":[{"count":49,"href":"https:\/\/www.tokaibane.com\/en\/wp-json\/wp\/v2\/pages\/418\/revisions"}],"predecessor-version":[{"id":159064,"href":"https:\/\/www.tokaibane.com\/en\/wp-json\/wp\/v2\/pages\/418\/revisions\/159064"}],"up":[{"embeddable":true,"href":"https:\/\/www.tokaibane.com\/en\/wp-json\/wp\/v2\/pages\/121"}],"wp:attachment":[{"href":"https:\/\/www.tokaibane.com\/en\/wp-json\/wp\/v2\/media?parent=418"}],"wp:term":[{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.tokaibane.com\/en\/wp-json\/wp\/v2\/tags?post=418"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}