TAKESHI TOKUSHO

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YAMAGATA-SHI, JP

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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
Process for processing a conductive damper for use in speaker
- Patent number 6,604,271
- Issue date Aug 12, 2003
- Pioneer Corporation
- Toshihiro Ishigaki
- 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

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 AND MANUFACTURING METHOD THEREOF
- Publication number 20010043713
- Publication date Nov 22, 2001
- TAKESHI TOKUSHO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Process and apparatus for producing conductive damper for speaker
- Publication number 20010006725
- Publication date Jul 5, 2001
- Toshihiro Ishigaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE