Message

Since our establishment in 1947, we have been engaging to manufacture jet engine parts, rocket parts, and semiconductor manufacturing equipment parts for IHI Corporation, IHI Aerospace Corporation, and NHK SPRING CO.,LTD.

Especially recent years, we joined eagerly to semiconductor and so on manufacturing with technics and experiences at cultivated aerospace and aviation industry, it is received high evaluation as quality etc.

Aerospace parts and semiconductor manufacturing equipment parts require extremely high quality by their nature and always require severe workmanship. In order to satisfy our customer's requirements, we have been improving our technical capabilities over the years in order to provide the best quality.

We decide our quality policy as “we devote ourselves to quality first and provide the products which customers can be satisfied with” and acquired ISO9002 in 1999 then JIS Q 9001 and JIS Q 9100 which is specialized aerospace and defense industry in 2002.

We will continue to strive for a society in which people around the world can lead happy lives with peace of mind and safety, and a company in which employees can continue to work with enthusiasm, joy, and vigor, while having dreams and hopes for the future.

President

Company Profile

• Business Name
  CosmoSeiki Co.,Ltd.
• Establishment
  July 10th, 1947
• Capital
  62,350,000yen
• Employees
  167
  Head Office/Factory 120 ,Works 47
• President
  Katsuhiko Kinoshita
• Main Customers

  IHI Corporation Aero Engine, Space & Defense Business Area

  Soma Aero-Engine Works. / Mizuho Aero-Engine Works. / Kure Aero-Engine & Turbo Machinery Works.

  IHI Group Companies

  IHI AEROSPACE Co.,Ltd.

  IHI Aero Manufacturing Co.,Ltd.

  Other Customers

  NHK SPRING Co.,Ltd.

  Midori Precisions Co.,Ltd.

  Nakaya Manufacturing Co., Ltd.

• Banks MUFG Bank, Ltd.
  Banks MUFG Bank, Ltd.
  Sumitomo Mitsui Banking Corporation
  Mizuho Bank, Ltd.
  Japan Finance Corporation
  The Shoko Chukin Bank,Ltd.

Company History

• 1945 November
  Yamakawa Heikichi Personal Company was founded in Mitaka-city and became cooperate factory of The Japan Steel Works, Ltd. Tokyo Plant.
• 1947 July
  Yamakawa Kogyo Co.,Ltd. was established and became cooperation factory of Fuji Seimitsu.
• 1966 July
  Became cooperation factory of Aerospace Business Unit of Ishikawajima-Harima Heavy Industries Co.,Ltd. and began manufacturing jet engine parts.
• 1968 July
  Transferred Head Office and factory to Hamura and change Company Name to CosmoSeiki Co.,Ltd.
• 1976 July
  Began manufacturing and direct delivery of rocket parts to Aerospace Business Uuit of NISSAN MOTOR CO.,LTD.
• 1979 December
  Construction of new Head Office and Factory.
• 1982 November
  Received "excellent award" in the processing section from Aerospace Business Unit of Ishikawajima-Harima Heavy Industories co.,Ltd.
• 1985 November
  Received "award of superior quality control" from Aerospace Business Unit of Ishikawajima-Harima Heavy Industries Co.,Ltd.
• 1992 November
  Enlarged Head Office and Factory.
• 1997 October
  Received "Minister of Health, Labor and Welfare Award for activity of labor hygiene control" in labor hygiene week.
• 1997 November
  Received "Superior Quality Control Award" from Aerospace Business Unit of Ishikawajima-Harima Heavy Industries Co.,Ltd.
• 1999 April
  Acquired certification of ISO 9002.(Registration number: BSK0030)
• 2002 April
  Updated to JIS Q 9001:2000(ISO 9001:2000)/JIS Q 9100:2004.(Registration Number：BSK0030/BSKA0025)
• 2003 May
  Received "QD superior activity company" from IHI AEROSPACE Co.,Ltd.
• 2005 April
  Acquired 2nd update certification of JIS Q 9100：2004 / JIS Q 9001：2000(ISO9001：2000).（Registration number：BSK0030/BSKA0025）
• 2006 April
  Received "QD superior activity company" from IHI AEROSPACE Co.,Ltd.(the 2nd time)
• 2007 July
  The 60th anniversary of the company foundation.
• 2007 October
  Acquired 3rd update certification of JIS Q 9100：2004/ JIS Q 9001：2000(ISO9001：2000). （Registration number: BSK0030 / BSKA0025）
• 2008 April
  Received "QD superior activity company" from IHI AEROSPACE Co.,Ltd.(the 3rd time)
• 2008 July
  Chosen as one of the 300 of Japan's Vibrant Monodzukuri(Manufacturing) SMEs, 2008.
• 2009 June
  Built a process line in the corner of Soma No.2 Aero-Engine Works of IHI Corporation and began operation.
• 2009 November
  Received "Award of superior cooperate company for Quality Control" from manager of Soma No.2 Aero-Engine Works of IHI Corporation.
• 2010 June
  Acquired approval of special process "Processing of Hole in critical parts" of GE-Aviation.
• 2010 July
  Received a letter of appreciation from JAXA for contribution to development of HTV.
• 2010 October
  Acquired 4th update certification of JIS Q9100：2004 / JIS Q9001：2008(ISO9001：2008).（Registration Number:BSK0030／BSKA0025）
• 2011 August
  Acquired certification of JIS Q9100:2009.
• 2012 January
  Received "Quality Systems superior fitness certificatate" from IHI Corporation.
• 2012 April
  Received "QD superior activity company" from IHI AEROSPACE Co.,Ltd.(the 4th time)
• 2012 May
  Acquired certification of "Conventional Machining as a Special process" (HOLEMAKING) from NADCAP.
• 2013 June
  Began operation of Non Destructive Inspection (Fluorescent penetrant inspection) in Mizuho factory.
• 2015 April
  Received "QD superior activity company" from IHI AEROSPACE Co.,Ltd.(the 5th time)
• 2015 October
  Constructed Soma works in Soma-city and transferred facilities from Soma No.2 Aero-Engine Works of IHI Corporation and began operation.
• 2016 April
  Received "QD superior activity company" from IHI AEROSPACE Co.,Ltd.(the 6th time)
• 2017 April
  Received "QD superior activity company" from IHI AEROSPACE Co.,Ltd.(the 7th time)
• 2017 October
  Acquired certification of JIS Q 9100:2016.
• 2020 Apri
  Former president Yoshio Yamakawa received "The Order of the Rising Sun, Silver Rays" from Government of Japan.
• 2024 May
  Received a letter of appreciation from JAXA for contributing to the development of the H3 rocket and the successful launch of the second test vehicle.
• 2024 October
  Constructed a second machining building at the Soma Plant to strengthen production capacity.