RH

Ryoui Hamaguchi

Sumitomo Electric Industries: 1 patents #13,249 of 21,551Top 65%
📍 Watarai, JP: #20 of 35 inventorsTop 60%
Overall (All Time): #3,759,360 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5583944 Speaker Yukinori Morohoshi, Yoshinobu Sengiku, Asahiko Okada, Teru Kawahara, Manabu Muraoka +1 more 1996-12-10