History
Challenge from the garage Company
Path to the ultra-high-precise processing technology
based on the skill of a master craftsman
Started in Garage
Set up a business as polishing craftsman with the hand-polishing skill for optical single-crystals as strength.
- April 1985
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Crystal Optics Ltd. established and founded.
Independently established as single crystals polishing craftsman.
Built less than 15 square meters workshop above garage in founder’s house and started business. Polished only palm-sized substrates, mainly hand-polishing, possessing a small lathe and an Oscar polishing machine. Possessed a much-needed lapping machine six months later.
Commenced mass production of mirror finishing to support state-of-the-art technology.
Undertook to polish parts made of special materials such as semiconductor and the like.
- 1986
Completed a new factory and transferred head office.
Took up polishing indispensable parts for semiconductor and stainless parts of mass flow meter. This was an opportunity to enter into semiconductor industry.
- September 1989
Started processing other than crystals and stainless steel (materials such as metals, ceramics, glasses, and new materials).
- January 1990
Built tentative factory in Kumamoto prefecture.
Prepared for mass production of mass flow controller.
- March 1990
Established Crystal Optics Inc.
Changed from limited company to a stock company to reinforce organizational structure, aiming to expand business.
- October 1990
-
Relocated into a new factory and commenced polishing mass production parts of mass flow meter.
Minamisho head office
Minamisho second factory
Former Kumamoto factory
Aiming integrated manufacturing system.
The beginning of integrated manufacturing system owing to machining, whetstone grinding, Lapping, and Coordinate Measuring Machine.
Took up processing long metal product and large sized plate product.
- July 1997
Completed another new factory to install very big equipment and relocated into a present head office.
- July 1998
Installed big sized lapping machines (two 2-meter-sized lapping machines).
- December 2001
Completed integrated manufacturing system owing to installation of machining, gate-type whetstone grinding machine, and Coordinate Measuring Machine.
Started high precise processing.
- May 2002
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Installed diamond turning machine.
Made us be viable to finish with mirror surface on the spherical and aspherical shape.
Head office
2-meter-sized lapping machine
Gate-type whetstone grinding machine
Diamond turning machine
Foothold to be able to process huge and high precise product.
Installed huge and high precise processing machines.
- July 2003
Completed Otsu factory as a huge factory. Installed 5-meter-sized gate-type whetstone grinding machine, 3.2-meter-sized lapping machine, and 2.4-meter-sized Coordinate Measuring Machine.
- April 2005
Acquired ISO14001 certification.
- June 2007
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Accredited one of good 300 small and medium enterprises by The Small and Medium Enterprise Agency in Ministry of Economy, Trade and Industry.
Otsu factory
5-meter-sized gate-type whetstone grinding machine in Otsu factory
Achieving to process huge product with ultra-high-precision assurance.
Aiming to break into space & astronomical industry.
- April 2009
Completed Kyoto factory to serve huge sized parts in aviation industry.
Installed a huge-sized Coordinate Measuring Machine, a huge-sized gate-type 5-axis machining, and huge-sized high accuracy whetstone grinding machines.
Started entering into electropolishing and passivation for semiconductors.
- April 2009
Relocated Kumamoto factory.
Commenced electropolishing and passivation for semiconductors adhering SEMI standard.
- March 2013
Acquired ISO9001 and JIS Q 9100 at the same time in Kyoto factory.
ISO 9001 International Standard for Quality Management Systems
JISQ 9100 Quality Management System Standard for the Aerospace Industry
- April 2016
Opened Shinyokohama sales office.
- July 2017
Extended Kyoto factory.
- January 2018
Acquired KES step2; Kyoto environmental management system standard.
- September 2018
Completed latest Kumamoto factory.
- April 2019
Acquired ISO9001 in head office factory, Otsu factory, Kumamoto factory, and Shinyokohama sales office.
- June 2019
Acquired Kiyohara Optics as a subsidiary
- August 2019
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Completed Kyoto second factory.
Expanded the range of Kyoto factory operations.
Completion of latest Kumamoto factory
Completion of Kyoto second factory
- February 2022
Extended Kumamoto factory.
- October 2023
-
Opened Vietnam representative office
Vietnam representative office