Akira Kanagawa

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Saitama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Digital graphic equalizer
- Patent number 5,524,022
- Issue date Jun 4, 1996
- Pioneer Electronic Corporation
- Hisashi Kihara
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Variable frequency characteristic circuit for a vehicular sound device
- Patent number 4,849,709
- Issue date Jul 18, 1989
- Pioneer Electronic Corporation
- Akira Kanagawa
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Loudspeaker reproduction apparatus in vehicle
- Patent number 4,845,775
- Issue date Jul 4, 1989
- Pioneer Electronic Corporation
- Akira Kanagawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE