Tsutomu Hoshino

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Kawasaki, JP

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Patents Grantslast 30 patents

Information Patent Grant
Active noise reduction device for electronic apparatus
- Patent number 5,636,286
- Issue date Jun 3, 1997
- Fujitsu Limited
- Eiji Makabe
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Active noise control system with detouring sound apparatus
- Patent number 5,583,943
- Issue date Dec 10, 1996
- Fujitsu Limited
- Tadashi Ohashi
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Signal suppressing apparatus
- Patent number 5,544,201
- Issue date Aug 6, 1996
- Fujitsu Limited
- Tsutomu Hoshino
- G10 - MUSICAL INSTRUMENTS ACOUSTICS