Naotoshi Higashiyama

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Tokyo, JP

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Patents Grantslast 30 patents

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Voltage-controlled oscillator system
- Patent number 5,225,793
- Issue date Jul 6, 1993
- Pioneer Electronic Corporation
- Naotoshi Higashiyama
- H03 - BASIC ELECTRONIC CIRCUITRY
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Circuit for detecting the level of noise in FM signal for use in AM...
- Patent number 4,674,121
- Issue date Jun 16, 1987
- NEC Corporation
- Masami Miura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Stereo signal demodulator having an improved separation characteristic
- Patent number 4,390,746
- Issue date Jun 28, 1983
- Nippon Electric Co., Ltd.
- Naotoshi Higashiyama
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Multi-channel signal processing circuit formed in a semiconductor i...
- Patent number 4,380,823
- Issue date Apr 19, 1983
- Nippon Electric Co., Ltd.
- Naotoshi Higashiyama
- H03 - BASIC ELECTRONIC CIRCUITRY