HI

Hidetoshi Ishihara

MM Mitsubishi Mining: 1 patents #32 of 234Top 15%
Overall (1989): #105,351 of 140,708Top 75%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4848106 Compression membrane Shoichi Hayashi, Norio Sakai 1989-07-18