Inventor · disambiguated record
Akio Hirai
Also filed as: HIRAI AKIO
2 granted patents·1 pending application·32 citations·filing 1997–2002
60Inventor score
Technology areasG11B
Files withYAMAHA CORP2
Top patents by PatentIndex Score
3 records- 0169US5812502AOptical disc reading deviceYAMAHA CORP·Filed 1997·Granted Sep 22, 1998·26 cites·3 claims
- 0262US7277369B2Optical disk capable of disabling incompatible recorderYAMAHA CORP·Filed 2002·Granted Oct 2, 2007·6 cites·6 claims
- 0328US2003048711A1Customization of apparatus by rewriting of control parameter valuesFiled 2002·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →