Kazuhiko Hamada

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Kobe-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Speaker device
- Patent number 10,999,662
- Issue date May 4, 2021
- Onkyo Corporation
- Masahiro Morisaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Speaker system and enclosure structure of speaker system
- Patent number 10,764,662
- Issue date Sep 1, 2020
- DENSO TEN LIMITED
- Masashi Nakamura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
SPEAKER UNIT
- Publication number 20210243520
- Publication date Aug 5, 2021
- DENSO TEN LIMITED
- Yuuichi NAKAJIMA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SPEAKER SYSTEM AND ENCLOSURE STRUCTURE OF SPEAKER SYSTEM
- Publication number 20190313173
- Publication date Oct 10, 2019
- DENSO TEN LIMITED
- Masashi NAKAMURA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SPEAKER DEVICE
- Publication number 20190215588
- Publication date Jul 11, 2019
- Onkyo Corporation
- Masahiro MORISAKI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Support structure of loudspeaker unit and loudspeaker system
- Publication number 20040208336
- Publication date Oct 21, 2004
- Kazuhiko Hamada
- H04 - ELECTRIC COMMUNICATION TECHNIQUE