Inventor · disambiguated record

Yasuyuki Iwamitu

Also filed as: IWAMITU YASUYUKI

1 granted patent·5 citations·filing 1977–1977

26Inventor score

Technology areasE21D

Files withTEKKEN CONSTR CO1

Top patents by PatentIndex Score

1 record

0137US4068484AAutomatic tunnel face hydraulic pressure controlling apparatus in shield type hydraulic tunnel boring systemTEKKEN CONSTR CO·Filed 1977·Granted Jan 17, 1978·5 cites·3 claims

Join the waitlist — get patent alerts

Get an alert when Yasuyuki Iwamitu files or is granted a new patent.

We store only your email — no account needed. See our privacy policy.

Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →