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About Us
Four Leaf Co., Ltd.
■ Headquarters / Sales Office
2-16-19 Yakigaya, Funabashi, Chiba
274-0802 Japan
■ Kaminoyama Factory
1454-6 Nezumiyachi, Kanaya, Kaminoyama, Yamagata 999-3103 Japan
■ Products
Condenser microphone unit
Electret condenser microphone unit
Dynamic microphone unit
Small speaker unit
■ Establishment
August 2000
■ Representative Director
Susumu Sampei
■ Main Equipment
Condenser microphone production line
Back electret condenser microphone production line
Membrane electret condenser microphone production line
Dynamic microphone production line
Dynamic speaker production line
Final product finished product assembly line
Low temperature / constant temperature / high humidity programmable heat cycle tester
Anechoic chamber
B&K Audio Analyzer (including cochlear implants and cochlear implants)
Audio Precision Audio Analyzer
Diaphragm molding machine
Alcohol regenerator
[ Headquarters / Sales Office ]
[ Kamiyama Factory ]
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