Futao Yamaguchi

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Kanagawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Active filter circuit of a capacity ground type
- Patent number 5,475,338
- Issue date Dec 12, 1995
- Sony Corporation
- Futao Yamaguchi
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Capacity ground type filter circuit
- Patent number 5,313,122
- Issue date May 17, 1994
- Sony Corporation
- Futao Yamaguchi
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Control circuit for signal level
- Patent number 5,206,606
- Issue date Apr 27, 1993
- Sony Corporation
- Futao Yamaguchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Semiconductor apparatus
- Patent number 5,124,761
- Issue date Jun 23, 1992
- Sony Corporation
- Toshitaka Senuma
- H01 - BASIC ELECTRIC ELEMENTS