Inventor · disambiguated record
Seiya Hamada
Also filed as: HAMADA SEIYA
3 granted patents·18 citations·filing 1979–1980
66Inventor score
Files withNIPPON MUSICAL INSTRUMENTS MFG3
Top patents by PatentIndex Score
3 records- 0152US4336735AElectronic musical instrument generating supplementary notes automatically established from played notesNIPPON MUSICAL INSTRUMENTS MFG·Filed 1980·Granted Jun 29, 1982·7 cites·18 claims
- 0239US4292873AElectronic musical instrumentNIPPON MUSICAL INSTRUMENTS MFG·Filed 1979·Granted Oct 6, 1981·4 cites·9 claims
- 0338US4328732AElectronic musical instrument capable of fill-note generationNIPPON MUSICAL INSTRUMENTS MFG·Filed 1980·Granted May 11, 1982·7 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →