Hiroki Niho

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Yao, JP

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Patents Grantslast 30 patents

Information Patent Grant
Acoustic duct
- Patent number D739382
- Issue date Sep 22, 2015
- Hosiden Corporation
- Hiroki Niho
- D14 - Recording, communication, or information retrieval equipment

Patents Applicationslast 30 patents

Information Patent Application
Condenser-Type Sounding Body Unit and Earphone Employing Same
- Publication number 20130202127
- Publication date Aug 8, 2013
- HOSIDEN CORPORATION
- Takashi MIYAKURA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE