Shunichi Takahashi

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Yamagata, JP

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Patents Grantslast 30 patents

Information Patent Grant
Acoustic device
- Patent number 6,792,122
- Issue date Sep 14, 2004
- Pioneer Corporation
- Haruo Okada
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Damper for a speaker apparatus
- Patent number 6,144,753
- Issue date Nov 7, 2000
- Pioneer Electronic Corporation
- Takashi Ohyaba
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Surroundless loudspeaker
- Patent number 5,848,173
- Issue date Dec 8, 1998
- Pioneer Electronic Corporation
- Yoko Sato
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Speaker system
- Patent number 5,115,474
- Issue date May 19, 1992
- Pioneer Electronic Corporation
- Yukio Tsuchiya
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Minimization of distortion due to a voice coil displacement in a sp...
- Patent number 4,661,973
- Issue date Apr 28, 1987
- Pioneer Electronic Corporation
- Shunichi Takahashi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
SPEAKER DEVICE
- Publication number 20120207321
- Publication date Aug 16, 2012
- TOHOKU PIONEER CORPORATION
- Kenichi Oshima
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SPEAKER DEVICE
- Publication number 20110176703
- Publication date Jul 21, 2011
- Pioneer Corporation
- Minoru Horigome
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SPEAKER DEVICE
- Publication number 20110158462
- Publication date Jun 30, 2011
- Pioneer Corporation
- Minoru Horigome
- H04 - ELECTRIC COMMUNICATION TECHNIQUE