Emi Ito

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for switching picture items of different types by suitabl...
- Patent number 6,248,944
- Issue date Jun 19, 2001
- Yamaha Corporation
- Emi Ito
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Method of operating a karaoke network system with system program di...
- Patent number 5,833,469
- Issue date Nov 10, 1998
- Yamaha Corporation
- Emi Ito
- G10 - MUSICAL INSTRUMENTS ACOUSTICS