Inventor · disambiguated record
Eri Hirai
Also filed as: HIRAI ERI
4 granted patents·1 pending application·4 citations·filing 2008–2023
61Inventor score
Top patents by PatentIndex Score
5 records- 0169US10453433B2Tone bar woody material, tone bar percussion instrument, and production method of tone bar woody materialYAMAHA CORP·Filed 2017·Granted Oct 22, 2019·2 cites·8 claims
- 0267US12444392B2Tone plate and percussion instrumentYAMAHA CORP·Filed 2023·Granted Oct 14, 2025·0 cites·14 claims
- 0360US8422562B2Decoding circuit, decoding method, and image reproducing apparatusYOSHIMATSU NAOKI·Filed 2008·Granted Apr 16, 2013·2 cites·22 claims
- 0451US10195828B2Acoustic material and musical instrumentYAMAHA CORP·Filed 2017·Granted Feb 5, 2019·0 cites·4 claims
- 0547US2024038204A1Sound bar and percussion instrumentYAMAHA CORP·Filed 2023·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →