HI

Hirofumi Irie

NC Nittetsu Steel Drum Co.: 1 patents #2 of 11Top 20%
NO Nof: 1 patents #246 of 561Top 45%
Overall (All Time): #2,110,383 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
7993052 Agitation mixer and feed pipe structure Nobuyuki Sakamoto, Kenshiro Shuto, Satoshi Yamada 2011-08-09
4540323 Metal containers and their manufacturing method and apparatus Makoto Inoue, Youichi Kobayashi, Tetuo Kubota 1985-09-10