Inventor

MURAMATSU SEIJIRO

JP7 patents

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

MITSUBISHI POWER LTD

3 patents

US11139711B2Oct 5, 2021

Rotating electrical machine

MITSUBISHI POWER LTD0 citations54

US11277058B2Mar 15, 2022

Repair method for bar or coil of rotating electrical machine

MITSUBISHI POWER LTD0 citations45

US11121591B2Sep 14, 2021

Hollow metal part of stator of rotating electrical machine, rotating electrical machine, and manufacturing process of hollow metal part

MITSUBISHI POWER LTD0 citations44

HITACHI LTD

2 patents

US7638909B2Dec 29, 2009

Rotor of rotary-electric machine

HITACHI LTD5 citations62

US7893574B2Feb 22, 2011

Rotor of rotary-electric machine

HITACHI LTD0 citations51

MITSUBISHI HITACHI POWER SYS

1 patent

US10658904B2May 19, 2020

Rotating electrical machine

MITSUBISHI HITACHI POWER SYS2 citations63

MITSUBISHI GENERATOR CO LTD

1 patent

US12401256B2Aug 26, 2025

Repair method of stator iron core

MITSUBISHI GENERATOR CO LTD0 citations53