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Latest update: 06/12/2016 14:38:45

I3 Co., Ltd.

We have a good record of performance in high-durability door opening/closing assist equipment.

We have developed non-electric door opening/closing assist equipment (semi-automatic door equipment).
Our equipment makes use of a spiral-type spring as a source of power instead of electricity. It has incomparable durability. It can be used as door opening/closing equipment at the coupling part of rolling stock. This product can also be utilized as carrier equipment on the parts manufacturing lines of major automobile manufacturers.

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[Company strength]
We develop and sell equipment that makes a door open and close automatically. Many of our products are used mainly for rolling stock, hospitals, and institutions. We are a manufacturer, but we have adopted a fabless system. We have a good record of performance in joint development with major companies.

[Business description]
We manufacture and sell non-electric door opening/closing assist equipment (semi-automatic door equipment).

[Industry]
Non-electric door opening/closing assist equipment manufacturing and sales

[Strength of products/technologies]
Our equipment makes use of a spiral-type spring as a source of power instead of electricity. This spiral spring is a product we jointly developed with a domestic Japanese spiral spring manufacturer. It has incomparable durability, so it can be used even in environments such as rolling stock where high-level durability is required. This equipment can be used for doors, and also for the conveyance of parts, etc., by assembling it into a manufacturing line as carrier equipment. It is used in this manner by Toyota Motor.

[Representative's message]
We are a Monozukuri craftsmanship venture business founded in 2006. I have been involved in the electromotive automatic door industry for more than 20 years, so I have abundant technical know-how about doors. We also have a network with various product manufacturers because we have adopted a fabless system. We hope to create business by commercializing wonderful ideas and by manufacturing the products that assist the lives of the people all over the world.

[Company structure for market development/overseas expansion]
We are a venture business with limited resources such as people, assets, and cash, but we have been conducting joint development with major companies in various areas. Some of the products that were developed have been commercialized. CEO Ishii will support customers as the point of contact with full responsibility.

[Market share/Ranking]
Gable sliding door equipment for rolling stock (door opening/closing equipment at the coupling part of rolling stock): 30% share of the domestic Japanese market.

[Awards and media coverage]
[Awards]
Kawasaki Grand Entrepreneur Award (2008); Kanagawa Industrial Navi Grand Frontier Award (2010); and many others.

[Media]
TBS, “Yume-no-Tobira+” (2011); TV Tokyo, “Tokoro-san’s Things That School Doesn’t Teach You About” (2013); TV Asahi, “Aiba Manabu” (2013); Tokyo FM, “Frontiers” (2014); and many other newspapers. 


[Authorization/Certification]
Sagamihara City Trial Order System selection.

[Joint research and development]
Nippon Sharyo, Tokyo Metro (development of gable sliding door opening/closing equipment for rolling stock, 2007–2008).
Nippon Medical School (joint development of diverging type curtain rails, 2008–2009). 
Sankyo Tateyama, YKKAP, TOSO, Haier JAPAN, and so on.


[Main Clients / Business History (domestic)]
Nippon Sharyo (product: since 2009), Toyota Motor Hokkaido (product: since 2013), and Okamura (product: since 2014).

[Main Clients / Business History (overseas)]
Hyundai Rotem (Korea) (product: 2011).

This company is recommended by the following support organizations.

Kanto Head Office, SMRJ
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