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Latest update: 27/04/2017 14:16:19

Tokyo Wire Works, Ltd.

We conduct integrated production of precision resistance alloy wires, thermoelectric wires, and compensating lead wires.

We have been producing products such as temperature sensors, compensating lead wires, and electrodes for secondary cells for about 100 years. We can satisfy various needs by taking advantage of our capabilities in integrated production covering from raw material dissolution to metallic mold design through manufacturing and final products. Our surface treatment division handles Ni continuous electric plating processing of wide articles up to 400 mm. Various kinds of insulation sheathing processing and continuous electric plating processing are our characteristic technologies. We can deal with superconducting wire insulation sheathing processing, which is used for MRIs and so on, and continuous electric Cr plating processing of nuclear fusion reactor superconducting wires. We are also expanding our business to new fields such as biomaterials. We independently developed the Cur@Cutter saw for medical treatment by applying our Co-Cr group alloy wire processing method, and it has been patented in Japan and abroad.

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Other presentation

[Company strength]
We have been working to achieve Monozukuri craftsmanship with dreams since our foundation in 1916, and taking on the challenge of new fields based on our technologies. These include (1) precision resistance material, (2) thermoelectric couplers and compensating lead wires, and (3) our characteristic continuous electric plating technology. We have a wide range of creative power that satisfies customer requirements in cooperation with the customer. We applied this creative power to develop our Co-Cr group alloy wire processing method, and commercialized the Cur@Cutter saw for medical treatment, which has been patented in Japan and abroad. Cur@Cutter received the Ota Ward Welfare and Medical Prize in the 26th New Products & New Technology Contest of Ota Ward, Tokyo.

[Business description]
We have been producing products such as temperature sensors, compensation lead wires, and electrodes for secondary cells for about 100 years. We can satisfy various needs by taking advantage of our strength in integrated production covering from raw material dissolution to metallic mold design through manufacturing and final products. We are an enterprise that aggressively takes on the challenge of new fields. We are expanding our business to new fields such as superconducting wires and biomaterials. This includes parts for maglev trains, magnetic resonance equipment and tomographic imaging equipment, nuclear fusion reactor parts, and the Cur@Cutter saw for medical treatment. We take on the challenge of new fields because we entrust our dreams and potential to Monozukuri craftsmanship with dreams. We are working to develop products that can properly support changes and needs in our society. Our goal is to realize Monozukuri craftsmanship with dreams.

[Industry]
Electrical equipment (precision resistance alloy wires, thermoelectric wires, compensating lead wires, and so on)

[Strength of products/technologies]
We conduct integrated in-house production of various precision resistance materials, thermoelectric couplers, and compensating lead wires, from raw material dissolution to final product manufacturing. We can satisfy various customer needs with our extensive product lineup and processing methods. This includes ultra-thin wires, stranded wires, Teflon, vinyl, glass sheathing cable processing, and baking processing for various insulating coatings. Our surface treatment division handles Ni continuous electric plating processing of a wide range of articles up to 400 mm. We process superconducting wire insulation sheathing, which is used for MRI and NMR, and continuous electric Cr plating for superconducting wires for the ITER Project nuclear fusion reactor. This is based on our various kinds of insulation sheathing processing and continuous electric plating processing as our characteristic technology.



[Representative's message]
Our corporate philosophy is Monozukuri craftsmanship with dreams, and we take on the challenge of developing new products based on our characteristic technologies in order to achieve this dream. We commercialized the Cur@Cutter saw for medical treatment, which has a three-dimensional structure using Co-Cr group alloy wire with excellent mechanical characteristics. We also developed the MgAlB2 superconducting liquid level measuring equipment, which measures the liquid-hydrogen storage capacity necessary for the hydrogen-based society of the future. We hope to realize Monozukuri craftsmanship with dreams by achieving new market cultivation and overseas expansion in cooperation with customers for these new products.



[Company structure for market development/overseas expansion]
Our planning offices play a leading role in our company. We have English-speaking staff and Chinese-speaking staff in our planning office for overseas business, and the planning office in our factory supports domestic Japanese business. We want to take on the challenge of Monozukuri craftsmanship with dreams and support changes and needs in society. This will be done by creating synergistic effects between our strengths including R&D, high-quality results, cost support, quick deliveries, and the originality and creativity of our staff. We have arranged an integrated in-house production system covering from raw material dissolution to coarse processing, cable stranding, and extrusion. We satisfy various needs such as thermoelectric couplers, compensation lead wires, and electric resistance alloys. We are also taking on the challenge of new fields (superconducting wire, precision resistance thin wire, multifilament wire, and so on). This is based on the characteristic technology we have been accumulating for about a century.

[Market share/Ranking]
Superconducting wire insulation sheathing: 70%.
Chrome electroplating processing for superconducting wire: 60%. 
Co-Cr group alloy wire: 100%.


[Awards and media coverage]
[Awards]
The 26th New Products & New Technology Contest of Ota Ward SMEs, Ota Welfare and Medical Prize; R&D Commercialization Promotion Subsidy in the 10th Liaison-I, by the Iwate Council of University-Industry Cooperation & Promotion.

[Media]
Asahi Shimbun (April 26, 2014).


[Authorization/Certification]
Medical device manufacturer’s license.

[Joint research and development]
International Superconductivity Technology Center, Superconductivity Research Laboratory (Public Corporation) and Iwate University (National University): Development of MgB2 superconducting wire materials.
Japan Aerospace Exploration Agency (JAXA) (Independent Administrative Institution): Development of liquid level measuring equipment for liquid-hydrogen storage tanks.
Tokyo Metropolitan University (Public University): Development of saw for medical treatment (handle). 


[Intellectual property]
Sheathed Superconducting Wires (Japanese, US, and European patents).
Wire Saw (Japanese, US, and European patents).
Liquid Level Measuring Equipment for Liquid Hydrogen Storage Tanks (Japanese, US, and European patent applications filed).


[Main Clients / Business History (domestic)]
Japan Superconductor Technology (JASTEC), Furukawa Electric, Mitsubishi Electric, Denso, Yazaki, Yokogawa Electric, and Kyocera. 

[Main Clients / Business History (overseas)]
Taiwan, Korea, the EU, and China: Thermocouples, compensating lead wires, and precision resistance materials.

[Exhibition History/Information]
In Japan: MEDTEC Japan (2014 and 2015); OTA Industrial Fair (2014 and 2015) and the 8th Exhibition & Business Meeting on Processing Technology in Ota (2015); Medical Creation Fukushima (2015).
Overseas: Dusseldorf, Germany, COMPAMED (exhibition for international medical equipment technology and parts) (2011, 2012, 2013, and 2014).


This company is recommended by the following support organizations.

Kanto Head Office, SMRJ
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