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Citizen Finedevice Co., Ltd.
Japan
CNC Machining: Precision milling, turning, and multi-axis machining
Micro-Manufacturing: High-precision parts for medical and MEMS
Optoelectronics & Displays: LEDs, LCDs, OLEDs, and laser diodes
Sensors & Transducers: MEMS, pressure, optical, and environmental sensors
Technical Ceramics: Alumina, Zirconia, and Silicon Carbide

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Citizen Finedevice Co., Ltd. is a Japanese precision manufacturing subsidiary of Citizen Watch Co., Ltd., established in 1959 and headquartered in Fujikawaguchiko-machi, Yamanashi Prefecture. Originating from Citizen’s micro-machining and horological manufacturing heritage, the company manufactures high-precision micro-components, quartz devices, fine ceramics, microdisplays, and MEMS components.

The company maintains multiple production facilities across Yamanashi and Nagano prefectures (including Kawaguchiko, Miyota, and Kitamimaki works) certified under ISO 9001, ISO 14001, and IATF 16949. Citizen Finedevice designs and builds proprietary machine tools and automated inspection systems in-house to sustain micron-level mass production of precision components for automotive, healthcare, and industrial electronics.

Offer

Citizen Finedevice provides high-precision turned parts, MEMS modules, and micro-fabricated functional devices:

  • MEMS & Fluidics Technology: MEMS-based micro-measurement and minute liquid control devices, microplates, and microchannels designed for healthcare analysis, point-of-care diagnostics, and industrial flow sensing.
  • Precision Turned Parts: Ultra-small precision metal turned parts fabricated via high-precision CNC automatic lathes for automotive injection/transmission systems, medical devices, and precision instruments.
  • Ceramic & Gemstone Components: Ceramic sliding bearings, alumina ruby jewel bearings for watches and instruments, SiAlON components, and anchor plates for medical analytical equipment.
  • Miniature Magnetic & Sensor Devices: Samarium-cobalt (SmCo) micro magnets under 2 mm in diameter, combustion pressure sensors (CPS), and Optical Probe Electric Current Sensors (OpECS).
  • Crystal & Microdisplay Devices: Quartz crystal units, oscillators, crystal wafers, thin-film submounts/carriers for optical semiconductors, and ferroelectric liquid crystal microdisplays.

Tags

mems
micromachining
ceramics
precision turned parts
microdisplays
micro magnets
quartz devices
Industrial Specializations: CNC Machining: Precision milling, turning, and multi-axis machining, Micro-Manufacturing: High-precision parts for medical and MEMS, Optoelectronics & Displays: LEDs, LCDs, OLEDs, and laser diodes, Sensors & Transducers: MEMS, pressure, optical, and environmental sensors, and Technical Ceramics: Alumina, Zirconia, and Silicon Carbide
Headquarter/main address: 6663-2 Funatsu
Fujikawaguchiko-machi
Yamanashi 401-0395
Japan
Get Directions
https://cfd.citizen.co.jp
Business Type: Manufacturer
Ownership: Subsidiary
Employees: 500 - 999
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