TO

Tsuyoshi Okami

Yamaha: 2 patents #22 of 214Top 15%
Overall (2020): #111,350 of 565,922Top 20%
2
Patents 2020

Issued Patents 2020

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10820076 Sound output device Kunito Takahashi, Akiyoshi Sato 2020-10-27
10812901 Conversation assist apparatus and conversation assist method Katsuya Hirano 2020-10-20