Akira Hayama

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Saitama, JP

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Patents Grantslast 30 patents

Information Patent Grant
On-vehicle electronic apparatus
- Patent number 5,619,515
- Issue date Apr 8, 1997
- Pioneer Electronic Corporation
- Akira Hayama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
System for supplying power to a detachable grille of a car stereo
- Patent number 5,299,265
- Issue date Mar 29, 1994
- Pioneer Electronic Corporation
- Akira Hayama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Bidirectional communication line buffer apparatus
- Patent number 5,132,987
- Issue date Jul 21, 1992
- Pioneer Electronic Corporation
- Minoru Motohashi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Electronic volume control circuit
- Patent number 4,611,344
- Issue date Sep 9, 1986
- Pioneer Electronic Corporation
- Akira Hayama
- H03 - BASIC ELECTRONIC CIRCUITRY