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Latest update: 14/12/2017 02:07:06

Sakai Seisakusho Co., Ltd.

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[Company strength]
Our company is devoted to product development and manufacturing under the basic philosophy of providing excellent function elements. Our belt-type continuously variable transmissions were born from this philosophy, and they feature smooth transmission and excellent durability. Their unlubricated mechanism that resists fretting corrosion makes the products maintenance-free. Our core technologies are our power transmission know-how and fretting corrosion method. Automatic positioning equipment must have excellent universality, high rigidity, low inertia, and high speed and accuracy. We make use of our technologies to develop shaft couplings for such equipment. We can apply mechanical element theory to create unique products that satisfy market needs. This is our advantage.


[Business description]
Our company started to manufacture and sell belt-type continuously variable transmissions in 1950. These maintenance-free, durable transmissions have become highly appreciated and popular in the fields of fibers, foods, packages, and civil engineering. We possess know-how about power transmission and fretting corrosion prevention. We have been making the most of our know-how to develop, manufacture, and sell shaft couplings since 1986. Our products are now used for semiconductor and LCD manufacturing and in various other fields. These fields include machine tools, main shafts, medical devices, optical equipment, robots, transfer devices, and ship engine equipment. We have acquired many intellectual property assets, good design awards, and invention awards through the development of these products. We are also active in industry-university collaboration, including joint research with universities.


[Industry]
Power transmission equipment manufacturing


[Representative's message]
Our company started to manufacture and sell belt-type continuously variable transmissions in 1950. We adopted a lubricant-sealed mechanism to prevent fretting corrosion and make the product maintenance-free. This mechanism helped us to continue to increase our sales. We went on to develop a shaft coupling with precision correction based on our fretting corrosion prevention method. We also developed a precision spring-shaft coupling for high-performance automatic control and a precision fixed-shaft coupling seeking high-precision coupling. Our basic philosophy is to provide excellent function elements. We will also make use of J-GoodTech to create products that satisfy needs for high precision and quality. We will be a company that contributes to society’s development.


[Company structure for market development/overseas expansion]
Our company has its head office in Nagoya and a sales office in each of Tokyo and Osaka. Sales staff at each office ascertain needs and issues directly from local users and provide appropriate solutions. We always have dedicated staff for exports at our head office to receive orders and respond to inquiries from overseas. Our staff can handle overseas transactions and technical inquiries in English. You can browse product data and troubleshooting information on our website. You can also download 2D and 3D CAD data.


[Awards and media coverage]
[Awards]
Japan Institute of Design Promotion, Good Design: Long-Life Design Award (2005 and 2010); Japan Institute of Design Promotion, Good Design Award (1998 and 1999); Ministry of Economy, Trade and Industry, Good Design Award (1993 and 1995), Ministry of Economy, Trade and Industry, Good Design Special Award of the Director-General of the Small and Medium Sized Enterprise Agency (1995); Aichi Chapter of the Japan Institute of Invention and Innovation, Aichi Invention Award (1994); Science and Technology Agency, Highlight Invention (1994).

[Media]
Nikkan Kogyo Shimbun, featuring couplings (2001 and 2007); Fuji Techno System, "Next-Generation Precision Positioning Technology" (2000); Sangyo Gijutsu Service Center, "Dictionary of Practical Precision Positioning Technology" (2008), Nikkan Kogyo Shimbun, featuring transmissions and speed reducers (2001, 2002, and 2007).


[Authorization/Certification]
Aichi Brand Company (2004 to 2014)


[Intellectual property]
Registered patents: Shaft coupling (Japanese Patent No. 4901686), and 42 other patents. 
Utility models: Leaf-spring shaft coupling (Utility Model No. 3185943) and three other publications.
Design registrations: 43.


This company is recommended by the following support organizations.

Chubu Head Office, SMRJ
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