Inventor · disambiguated record

Sohki Ohtsu

Also filed as: OHTSU SOHKI

1 granted patent·13 citations·filing 1998–1998

35Inventor score

Technology areasE21D

Files withSHIGEKI NAGATOMO1

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1 record

0127US6520718B1Sardine-bone construction method for large-section tunnelSHIGEKI NAGATOMO·Filed 1998·Granted Feb 18, 2003·13 cites·3 claims

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