Kazunori Takagi

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Saitama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Mobile stereo speaker set
- Patent number 5,031,220
- Issue date Jul 9, 1991
- Pioneer Electronic Corporation
- Kazunori Takagi
- B60 - VEHICLES IN GENERAL
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
Power fader for a loudspeaker system
- Patent number 4,856,065
- Issue date Aug 8, 1989
- Pioneer Electronic Corporation
- Kazunori Takagi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
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
Information Patent Grant
Headrest-mounted acoustic device
- Patent number 4,696,370
- Issue date Sep 29, 1987
- Pioneer Electronic Corporation
- Akio Tokumo
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Car speaker system
- Patent number 4,597,470
- Issue date Jul 1, 1986
- Pioneer Electronic Corporation
- Kazunori Takagi
- B60 - VEHICLES IN GENERAL