Inventor · disambiguated record

Yoshimasa Yoshikawa

Also filed as: YOSHIKAWA YOSHIMASA

2 granted patents·59 citations·filing 1986–1994

65Inventor score

Technology areasG10C

Files withNIPPON MUSICAL INSTRUMENTS MFG1 YAMAHA CORP1

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2 records

0173US5559297AKey for keyboard instrument having a perspiration-absorbing surfaceYAMAHA CORP·Filed 1994·Granted Sep 24, 1996·38 cites·12 claims
0258US4656913AElectronic musical instrument with keyboard and coverNIPPON MUSICAL INSTRUMENTS MFG·Filed 1986·Granted Apr 14, 1987·21 cites·12 claims

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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →