TH

Takeshi Hada

IS Isekikaihatsukohki: 1 patents #2 of 2Top 100%
Overall (1982): #29,426 of 81,411Top 40%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4311411 Pipe jacking apparatus Toshio Akesaka 1982-01-19