Fumio Murayama

Person

Yamagata, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Method for manufacturing a speaker apparatus
- Patent number 6,817,084
- Issue date Nov 16, 2004
- Pioneer Electronic Corporation
- Takeshi Tokusho
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Speaker system and cooling device therefor
- Patent number 6,665,414
- Issue date Dec 16, 2003
- Pioneer Corporation
- Fumio Murayama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Speaker apparatus and manufacturing method thereof
- Patent number 6,343,136
- Issue date Jan 29, 2002
- Pioneer Electronic Corporation
- Takeshi Tokusho
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Methods for making a loudspeaker vibrating diaphragm
- Patent number 6,030,561
- Issue date Feb 29, 2000
- Pioneer Electronics Corporation
- Masatoshi Sato
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Loudspeaker
- Patent number 5,822,444
- Issue date Oct 13, 1998
- Pioneer Electronic Corporation
- Hiroya Oizumi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Loudspeaker vibrating diaphragm and methods for its production
- Patent number 5,793,002
- Issue date Aug 11, 1998
- Pioneer Electronic Corporation
- Masatoshi Sato
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Loudspeaker system installed on an automobile door and including a...
- Patent number 5,297,212
- Issue date Mar 22, 1994
- Pioneer Electronic Corporation
- Fumio Murayama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Water-proof speaker unit
- Patent number 5,008,945
- Issue date Apr 16, 1991
- Pioneer Electronic Corp.
- Fumio Murayama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Environmentally resistant loudspeaker
- Patent number 4,965,837
- Issue date Oct 23, 1990
- Pioneer Electronic Corporation
- Fumio Murayama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Mobile speaker system having an illumination effect
- Patent number 4,953,220
- Issue date Aug 28, 1990
- Pioneer Electronic Corporation
- Fumio Murayama
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Speaker system
- Patent number 4,924,965
- Issue date May 15, 1990
- Pioneer Electronic Corporation
- Fumio Murayama
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Speaker system for motor vehicles with an alarm device
- Patent number 4,837,835
- Issue date Jun 6, 1989
- Pioneer Electronic Corporation
- Fumio Murayama
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Coaxial speaker unit
- Patent number 4,821,331
- Issue date Apr 11, 1989
- Pioneer Electronic Corporation
- Fumio Murayama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Multi-speaker system for use in automobiles
- Patent number 4,451,928
- Issue date May 29, 1984
- Pioneer Electronic Corporation
- Fumio Murayama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Speaker apparatus and manufacturing method thereof
- Publication number 20020064294
- Publication date May 30, 2002
- Pioneer Electronic Corporation
- Takeshi Tokusho
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Speaker apparatus
- Publication number 20020057818
- Publication date May 16, 2002
- Yasuhisa Abe
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SPEAKER APPARATUS AND MANUFACTURING METHOD THEREOF
- Publication number 20010043713
- Publication date Nov 22, 2001
- TAKESHI TOKUSHO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Fumio Murayama

Person

Patents Grantslast 30 patents

Method for manufacturing a speaker apparatus

Speaker system and cooling device therefor

Speaker apparatus and manufacturing method thereof

Methods for making a loudspeaker vibrating diaphragm

Loudspeaker

Loudspeaker vibrating diaphragm and methods for its production

Loudspeaker system installed on an automobile door and including a...

Water-proof speaker unit

Environmentally resistant loudspeaker

Mobile speaker system having an illumination effect

Speaker system

Speaker system for motor vehicles with an alarm device

Coaxial speaker unit

Multi-speaker system for use in automobiles

Patents Applicationslast 30 patents

Speaker apparatus and manufacturing method thereof

Speaker apparatus

SPEAKER APPARATUS AND MANUFACTURING METHOD THEREOF