Inventor
HIRAI ERI
JP5 patents
⚠️ This page may combine multiple inventors who share the name “HIRAI ERI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
YAMAHA CORP
4 patentsUS10453433B2Oct 22, 2019
Tone bar woody material, tone bar percussion instrument, and production method of tone bar woody material
YAMAHA CORP2 citations68
US12536982B2Jan 27, 2026
Sound bar and percussion instrument
YAMAHA CORP0 citations54
US12444392B2Oct 14, 2025
Tone plate and percussion instrument
YAMAHA CORP0 citations54
US10195828B2Feb 5, 2019
Acoustic material and musical instrument
YAMAHA CORP0 citations41