Shuji Higuchi

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Voice coil bobbin, manufacturing method thereof and speaker device
- Patent number 7,848,537
- Issue date Dec 7, 2010
- Pioneer Corporation
- Toshihiro Ishigaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Voice coil bobbin, manufacturing method thereof and speaker device
- Publication number 20070053546
- Publication date Mar 8, 2007
- Pioneer Corporation
- Toshihiro Ishigaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE