HY

Hajime Yoshioka

MM Mitsubishi Mining: 1 patents #32 of 234Top 15%
Overall (1989): #107,354 of 140,708Top 80%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4855019 Electrodeposited grindstone Yukio Kodama, Sadato Shigemura, Tohru Funada, Satoshi Morimoto 1989-08-08