Tadao Sakai

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Patents Grantslast 30 patents

Information Patent Grant
Key-touch value control device of electronic key-type musical instr...
- Patent number 4,633,750
- Issue date Jan 6, 1987
- Roland Kabushiki Kaisha
- Tadao Sakai
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Automatic rhythm generating method and apparatus in electronic musi...
- Patent number 4,217,806
- Issue date Aug 19, 1980
- Roland Corporation
- Tadao Sakai
- G10 - MUSICAL INSTRUMENTS ACOUSTICS