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Hideo Yamamoto
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Kawagoe, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Volume controller
Patent number
7,184,558
Issue date
Feb 27, 2007
Pioneer Corporation
Hideo Yamamoto
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
On-vehicle audio system reproducing bodily-sensible sounds
Patent number
5,355,419
Issue date
Oct 11, 1994
Pioneer Electronic Corporation
Hideo Yamamoto
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Automatic level control circuit
Patent number
5,043,676
Issue date
Aug 27, 1991
Pioneer Electronic Corporation
Takeshi Sato
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Automatic sound level compensator for a sound reproduction device m...
Patent number
5,018,205
Issue date
May 21, 1991
Pioneer Electronic Corporation
Kazunori Takagi
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Limiter circuit
Patent number
4,928,071
Issue date
May 22, 1990
Pioneer Electronic Corporation
Hideo Yamamoto
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Balanced vehicular speaker system
Patent number
4,914,707
Issue date
Apr 3, 1990
Pioneer Electronic Corporation
Shinjiro Kato
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
IC card with a solar battery
Patent number
4,812,634
Issue date
Mar 14, 1989
Oki Electric Industry Co., Ltd.
Satoshi Ohta
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Resonance-compensated speaker system for vehicle
Patent number
4,790,407
Issue date
Dec 13, 1988
Pioneer Electronic Corporation
Hideo Yamamoto
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
Volume controller
Publication number
20020076065
Publication date
Jun 20, 2002
PIONEER CORPORATION
Hideo Yamamoto
H04 - ELECTRIC COMMUNICATION TECHNIQUE