TI

Takeshi Ijima

Overall (All Time): #2,364,305 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4413924 Blocks for constructing a breakwater 1983-11-08
4231680 Breakwaters 1980-11-04