P

Inventor

SAWAHATA MASANORI

JP11 patents
⚠️ This page may combine multiple inventors who share the name “SAWAHATA MASANORI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HITACHI ASTEMO LTD

5 patents
US12301061B2May 13, 2025

Rotor of rotating electrical machine and electrical drive system

HITACHI ASTEMO LTD0 citations62
US12261513B2Mar 25, 2025

Electric system for cooling a motor and inverter unit

HITACHI ASTEMO LTD0 citations61
US12489328B2Dec 2, 2025

Rotary electric machine and electric drive system

HITACHI ASTEMO LTD0 citations50
US12283847B2Apr 22, 2025

Rotor of rotary electric machine, rotary electric machine and electric drive device

HITACHI ASTEMO LTD0 citations50
US12184119B2Dec 31, 2024

Rotary electric machine and vehicle

HITACHI ASTEMO LTD0 citations47

SAWAHATA MASANORI

2 patents
US8692435B2Apr 8, 2014

Rotating electric machine

SAWAHATA MASANORI5 citations69
US8546991B2Oct 1, 2013

Synchronous generator and synchronous generator system for reducing distortion of current waveform

SAWAHATA MASANORI1 citations48

HITACHI LTD

2 patents
US12469766B2Nov 11, 2025

Power semiconductor device

HITACHI LTD0 citations59
US10243430B2Mar 26, 2019

Rotating electrical machine with rotor and stator, with a stator core including packet cores

HITACHI LTD0 citations51

HITACHI INDUSTRIAL PRODUCTS LTD

2 patents
US11075570B2Jul 27, 2021

Rotary electric machine and drive system using same

HITACHI INDUSTRIAL PRODUCTS LTD0 citations59
US10658905B2May 19, 2020

Rotating electrical machine, compressor system, and pump system

HITACHI INDUSTRIAL PRODUCTS LTD0 citations35