Hisao Ishii

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Ashikaga, JP

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Patents Grantslast 30 patents

Information Patent Grant
Radio receiver comprising automatic gain controlling function
- Patent number 5,321,851
- Issue date Jun 14, 1994
- Sanyo Electric Co., Ltd.
- Sakae Sugayama
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Signal-strength-peak detecting circuit for automatic tuning circuit
- Patent number 5,280,641
- Issue date Jan 18, 1994
- Sanyo Electric Co., Ltd.
- Hisao Ishii
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Sensitivity switching circuit for radio receiver
- Patent number 5,280,643
- Issue date Jan 18, 1994
- Sanyo Electric Co., Ltd.
- Hisao Ishii
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Radio receiver with improved channel selection and reception
- Patent number 5,239,701
- Issue date Aug 24, 1993
- Sanyo Electric Co., Ltd.
- Hisao Ishii
- H03 - BASIC ELECTRONIC CIRCUITRY