RH

Ryuji Hashimoto

Tdk: 1 patents #224 of 488Top 50%
Yamaha: 1 patents #59 of 158Top 40%
Overall (2021): #117,182 of 548,734Top 25%
2
Patents 2021

Issued Patents 2021

Patent #TitleCo-InventorsDate
11114071 Percussion instrument Noritaka Nagai, Banri Abe 2021-09-07
11081265 Rare-earth sintered magnet Takurou Iwasa, Masashi Ito 2021-08-03