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Inventor

Seijiro Muramatsu

Inventor
Hitachi, JP

Overview

3→
Patents
2009–2020
Patent span
Electricity
Primary field (CPC H)

Patents· 3 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

H02Kprimary
H02KDynamo-electric machines75%
F01DNon-positive displacement machines or engines, e.g. steam turbines25%
PatentTitleYear
10,658,904Rotating electrical machine20207,893,574'Rotor of rotary-electric machine'20117,638,909'Rotor of rotary-electric machine'2009

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2009–2011Patents assigned to HITACHI LTD (2)· patent assignee history
2009–2011Based in Hitachi, JP· patent location history
2020Patents assigned to MITSUBISHI HITACHI POWER SYS (1)· patent assignee history
2020Based in Yokohama, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI LTD22009–2011
MITSUBISHI HITACHI POWER SYS12020
Locations
LocationPatentsSpan
Hitachi, JP22009–2011
Yokohama, JP12020