Inventor

ARAKAWA YOICHIRO

JP2 patents

⚠️ This page may combine multiple inventors who share the name “ARAKAWA YOICHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HITACHI IND EQUIPMENT SYS

1 patent

US7902790B2Mar 8, 2011

Induction motor drive unit, motor drive system, and elevating system

HITACHI IND EQUIPMENT SYS7 citations80

ARAKAWA YOICHIRO

1 patent

US8710781B2Apr 29, 2014

Power conversion device and method for controlling thereof

ARAKAWA YOICHIRO0 citations26