Hisao Suzuki

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Sosa-gun, JP

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Patents Grantslast 30 patents

Information Patent Grant
Composition and method of making a ferrofluid having an improved ch...
- Patent number 6,261,471
- Issue date Jul 17, 2001
- Shiro Tsuda
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Micro-speaker and method for assembling a micro-speaker
- Publication number 20030194106
- Publication date Oct 16, 2003
- Shiro Tsuda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Audio speaker and method for assembling an audio speaker
- Publication number 20030194107
- Publication date Oct 16, 2003
- Shiro Tsuda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE