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Latest update: 04/02/2019 11:08:56

IRIE KOKEN CO., LTD.

Our company develops and manufactures metal bellows, vacuum valves, vacuum pipes, chambers, vacuum introducers, and vacuum equipment for semiconductor manufacturing equipment, space satellites, and accelerators. Our bellows (metal expansion pipes) are used as airtight sealing parts for air-conditioning expansion joints and other products that require high airtightness. Our airtight products include rolling stock products as well as semiconductor and LCD display manufacturing equipment. Our vacuum valves are for vacuum-vacuum and vacuum-air separation. They are used to separate vacuum chambers (process chambers) in the display and semiconductor substrate manufacturing processes. Our company supports the quality and reliability of various vacuum devices and rolling stock and construction parts. This is done by making the most of the vacuum technologies we have cultivated by manufacturing bellows since our establishment.

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[Company Strengths]
Our company develops and manufactures metal bellows, vacuum valves, vacuum pipes, chambers, vacuum introducers, and vacuum equipment for semiconductor manufacturing equipment, space satellites, and accelerators. Our bellows (metal expansion pipes) are used as airtight sealing parts for air-conditioning expansion joints and other products that require high airtightness. Our airtight products include rolling stock products as well as semiconductor and LCD display manufacturing equipment. Our vacuum valves are for vacuum-vacuum and vacuum-air separation. They are used to separate vacuum chambers (process chambers) in the display and semiconductor substrate manufacturing processes. Our company supports the quality and reliability of various vacuum devices and rolling stock and construction parts. This is done by making the most of the vacuum technologies we have been cultivating by manufacturing bellows since our establishment. 

[Industry]
General machine and instrument manufacturing

[Representative's Message]
Our company provides various vacuum bellows for semiconductor manufacturing equipment and many other products in the field of vacuum device incidental equipment, including profile monitors and vacuum valves. They are enjoying wide popularity among customers. Metal expansion joints may not look special, but they produce a world ranging from electronic parts, foods, and other daily items to cutting-edge technologies that determine the future of humanity. This world covers even technologies for semiconductor manufacturing, ultrafine particle engineering handling atoms and molecules, and space development. We are now conducting activities even outside Japan and working on R&D to produce new value in vacuum technology. We hope that continuous R&D like this will make the lives of our stakeholders richer and more valuable.

[Awards and Media]
00 of Japan's Vibrant Monozukuri (Manufacturing) SMEs (2007); SME New Excellent Technology and Product Award, Excellence Prize for our GARIVA large gate valve cancelling differential pressure; MONODZUKURI Nippon Conference, CHO-MONODZUKURI Innovative Components Award, Encouragement Prize (second time); commendation by the Minister of Health, Labour and Welfare for vocational ability development; The New York Times; TV Tokyo, Gaia-no-Yoake, "Infusion Pump Not Suspended (Challenge Toward New Medical Devices)"


[Certificates and Licenses]
ISO 9001/ISO 14001; Eco Action 21

[Intellectual Property]
We hold patents related to valves and bellows: 13 patents acquired (including jointly held with other companies); 3 patents pending; 1 patent to be applied for

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