Inventor · disambiguated record
Kouki Hayafuchi
Also filed as: HAYAFUCHI KOUKI
2 granted patents·0 citations·filing 2018–2019
23Inventor score
Files withYAMAHA CORP2
Top patents by PatentIndex Score
2 records- 0149US10614727B2Musical instrument practice system, playing practice implementation device, content reproduction system, and content reproduction deviceYAMAHA CORP·Filed 2019·Granted Apr 7, 2020·0 cites·16 claims
- 0239US10403166B2Musical performance assistance device and methodYAMAHA CORP·Filed 2018·Granted Sep 3, 2019·0 cites·13 claims
Join the waitlist — get patent alerts
Get an alert when Kouki Hayafuchi files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →