SN

Sadao Nakagawa

HI Hitachi: 2 patents #13,388 of 28,497Top 50%
Overall (All Time): #2,277,239 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5498849 Structure of metal container having trunk pipe and branch pipe, and manufacturing method and apparatus therefor Osamu Isshiki, Masaki Murashita, Osamu Matsushima, Seizo Nakano, Koji Goto +7 more 1996-03-12
5444206 Structure of metal container having trunk pipe and branch pipe, and manufacturing method and apparatus therefor Osamu Isshiki, Masaki Murashita, Osamu Matsushima, Seizo Nakano, Koji Goto +7 more 1995-08-22