SI

Shoji Iwai

RI Railway Technical Research Institute: 2 patents #23 of 233Top 10%
SC Sumitomo Precision Products Co.: 2 patents #43 of 199Top 25%
Overall (All Time): #2,267,151 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5593175 Leg apparatus for the magnetically levitated vehicle Kazuhiro Oda, Masayoshi Azakami, Hideyuki Takizawa, Fumio Iwamoto 1997-01-14
5481984 Leg apparatus for the magnetically levitated vehicle Kazuhiro Oda, Hideyuki Takizawa, Masamichi Yamada, Fumio Iwamoto 1996-01-09