HY

Hajime Yoshioka

MM Mitsubishi Mining: 2 patents #467 of 2,247Top 25%
Overall (All Time): #2,307,628 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5094039 Gear type tool — 1992-03-10
4855019 Electrodeposited grindstone Yukio Kodama, Sadato Shigemura, Tohru Funada, Satoshi Morimoto 1989-08-08