- Japan pioneer Speakers Company
- Japan Co., Ltd (President: Mr. Takeshi Takeda) is a company, which develops and sells the patented Bone Conduction Speaker with four models of company. The speaker mainly will begin to put on sale in wholesales store open-end price December 2006. bone conduction company have obtained exclusive patent ….
- Address:2-21-4, Honan, Suginami-Ku. Tokyo 168-0062
- Kami Electronics Inc.
- Address:223-13, Kumanobe, Kami-Ku
- TOKYO ELECTRONICS MUSICAL COMPANY LTD.
- Address:2-72-76, Sunagawa-cho,
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