Inventor

SOGAWA NOBUAKI

JP3 patents

Patents

3 patents

US12448967B2Oct 21, 2025

Variable displacement oil pump

HITACHI ASTEMO LTD0 citations47

US12297829B2May 13, 2025

Variable-capacity oil pump

HITACHI ASTEMO LTD0 citations47

US12286970B2Apr 29, 2025

Oil pump

HITACHI ASTEMO LTD0 citations47