Takaaki Yamamoto

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
False call protecting apparatus for use with telephone exchange sys...
- Patent number 6,101,248
- Issue date Aug 8, 2000
- NEC Corporation
- Takaaki Yamamoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Digital waveform shaping circuit
- Patent number 4,585,952
- Issue date Apr 29, 1986
- Sansui Electric Co., Ltd.
- Takaaki Yamamoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Read clock producing system
- Patent number 4,580,278
- Issue date Apr 1, 1986
- Sansui Electric Co., Ltd.
- Takaaki Yamamoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Signal reconstruction circuit for digital signals
- Patent number 4,546,394
- Issue date Oct 8, 1985
- Sansui Electric Co., Ltd.
- Takaaki Yamamoto
- G11 - INFORMATION STORAGE