Masahiko Sakata

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Kanagawa-ken, JP

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Patents Grantslast 30 patents

Information Patent Grant
Silencing apparatus operable to reduce vehicle noise at a telephone
- Patent number 5,594,803
- Issue date Jan 14, 1997
- Mitsubishi Denki Kabushiki Kaisha
- Susumu Fujiwara
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Silencing apparatus
- Patent number 5,548,652
- Issue date Aug 20, 1996
- Mitsubishi Denki Kaibushiki Kaisha
- Susumu Fujiwara
- G10 - MUSICAL INSTRUMENTS ACOUSTICS