Kazuro Okuzawa

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Patents Grantslast 30 patents

Information Patent Grant
Loudspeaker
- Patent number 7,020,301
- Issue date Mar 28, 2006
- Matsushita Electric Industrial Co., Ltd.
- Satoshi Koura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Wax, copper foil flexible wire with wax and speakers using this fle...
- Patent number 6,219,433
- Issue date Apr 17, 2001
- Matsushita Electric Industrial Co., Ltd.
- Kazuro Okuzawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Wax, copper foil flexible wire with wax and speakers using this fle...
- Patent number 6,115,479
- Issue date Sep 5, 2000
- Matsushita Electric Industrial Co., Ltd.
- Kazuro Okuzawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Electro-acoustic transducer and method of manufacturing the same
- Publication number 20040194285
- Publication date Oct 7, 2004
- Kazuro Okuzawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Component member for electric, component member for electro-acousti...
- Publication number 20040156524
- Publication date Aug 12, 2004
- Kazuro Okuzawa
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
Loudspeaker
- Publication number 20040086147
- Publication date May 6, 2004
- Satoshi Koura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE