Company History

1979 August “Chiba Precision Co., Ltd.” was established in Ichikawa City, Chiba Prefecture with capital of nine (9) million yen.
1980 January Developed Miniaturized Coreless DC Servomotor “TORMAX”.
1982 February Patented for armature of coreless motor with active balance which is mostly used for high speed DC motor in dental industry.
1987 March Concluded Technology Partnership Agreement with Mitsubishi Heavy Industries, Ltd. on Planetary Roller Reducers.
1988 March Increased the capital to twenty-seven (27) million yen.
March Developed Ultra High Speed Brushless Motor “VELOMAX”.
1993 April Developed Miniaturized AC Servomotor Series.
1998 December Developed Miniaturized Linear Actuator Series.
1999 October Acquired ISO 9002 Certification.
November Increased the capital to forty-five (45) million yen.
2003 September Established NC Factory in Yachiyo City, Chiba Prefecture.
December Acquired ISO 9001:2000 Certification.
2004 April Established Contract Manufacturer in Shenzhen, China.
April Released Miniaturized Brushless Motor Series.
July Developed Galvanometer Optical Scanner Series.
November Established Yachiyo Factory.
2006 January Acquired ISO 14001: 2004 Certification.
2007 April Became the member of Citizen Group and changed company name from “Chiba Precision Co., Ltd.” to “Citizen Chiba Precision Co., Ltd.”
2008 April Built new company office on Yachiyo Factory premise.
June Relocated the Headquarter to new company office building.
November Developed Servomotor with Built-in Strain Wave Gearing, Spindle Motor for machine tools, and Ø7.6 Linear Motor.
2009 October Released WD20 Series named “Wave Drive System”, the servomotor with built-in strain wave gearing.
November Released a cost-effective model for Linear Actuator.
2011 February Relocated Contract Manufacturer to Guangzhou, China.
2013 September Released Miniaturized Linear Motor “silmo” Series and Galvanometer Optical Scanner “GVM” Series.
2015 March Relocated Contract Manufacturer to Dongguan, China.
2017 July Acquired ISO 9001:2015 Certification and ISO 14001:2015 Certification


ISO Certification
We strive to maintain two ISO Certifications.
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