Inventor

TAKEI NORIHISA

JP3 patents

Patents

3 patents

US11199077B2Dec 14, 2021

Oil field pump

MITSUBISHI HEAVY IND LTD2 citations69

US12281708B2Apr 22, 2025

Seal device

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US11536122B2Dec 27, 2022

Oil field pump

MITSUBISHI HEAVY IND LTD0 citations48