Inventor

TAKAHATA RYOUICHI

JP7 patents

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

JTEKT CORP

3 patents

US10808968B2Oct 20, 2020

HITACHI ASTEMO LTD

2 patents

US12489328B2Dec 2, 2025

Rotary electric machine and electric drive system

HITACHI ASTEMO LTD0 citations50

US12537406B2Jan 27, 2026

Rotating electric machine

HITACHI ASTEMO LTD0 citations48

HITACHI LTD

1 patent

US9748887B2Aug 29, 2017

Permanent magnet synchronous motor and winding-switching motor driving device, and refrigeration air conditioner and electric vehicle using same

HITACHI LTD7 citations80

WATANABE KENTARO

1 patent

US8833334B2Sep 16, 2014

Oil pump apparatus

WATANABE KENTARO0 citations49