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2017.6.21 | The business activity for BCE500 series ,Canal type Bone Conduction Earphone, has commenced. Detailed Information(PDF File) |
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2016.11.25 | The patent for "Electromagnetic type Acoustic Transducer for Earphone" is granted by the Patent Office. Patent No.6032984 Detailed Information(PDF File) |
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2016.9.15 | The business activity for N20 No spout driver unit has commenced. Detailed Information(PDF File) |
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2016.6.16 | OFC Voice Coil Driver Unit for N20 series is now in mass production and ready for sale. Detailed Information(PDF File) |
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2015.9.30 | Yashima original 1-magnetic pole type magnetic driver
(EMD): Sales activities started. Detailed Information(PDF File) |
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2015.5.13 | N20 Series - Solid silver coil started in mass production.: Business activity began. Detailed Information(PDF File) |
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2015.4.1 | N20-5: Business activity began. Detailed Information(PDF File) |
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2014.4.16 | High-performance earphone ME148 began in manufacturing. Detailed Information |
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2014.4.16 | High-performance earphone ME150 began in manufacturing. Detailed Information |
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2014.4.16 | Microphone HM-01 began in business activity, which is not badly affected by a cutting wind noise. Detailed Information |
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2010.10.25 | Model Name in Specification for Mass Production: N20-2 Detailed Information(PDF File) |
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2010.10.25 | Update Technical Information | ||
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2009.03.18 | Update Technical Information | ||
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2007.05.22 | Ear Canal, Balanced Armature Type, Start of Sales Activity. Detailed Information(PDF File) Technical Information |
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2007.04.02 | This web site has been newly established. | ||
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