Inventor

Ryosuke Nakagawa

Inventor
Tokyo, JP

Overview

8→
Patents
2010–2020
Patent span
Electricity
Primary field (CPC H)

Patents· 8 as inventor

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

H02Mprimary
H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems20%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h1015%
B01DSeparation10%
F23JRemoval or treatment of combustion products or combustion residues10%
H01LSemiconductor devices10%
H03KPulse technique10%
G01RMeasuring electric variables5%
H02HEmergency protective circuit arrangements5%
H05KPrinted circuits5%
H10DInorganic electric semiconductor devices5%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2010Patents assigned to BABCOCK HITACHI KK (1)· patent assignee history
2010Based in Hiroshima, JP· patent location history
2012–2017Patents assigned to NAKAGAWA RYOSUKE (5)· patent assignee history
2012–2017Patents assigned to NAKAO YUICHI (2)· patent assignee history
2012–2017Patents assigned to ROHM CO LTD (2)· patent assignee history
2012–2017Based in Kyoto, JP· patent location history
2016–2020Patents assigned to MITSUBISHI ELECTRIC CORP (4)· patent assignee history
2016–2020Based in Tokyo, JP· patent location history
2016Based in Chiyoda-ku, JP· patent location history
2017Based in Kanagawa, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
NAKAGAWA RYOSUKEself52012–2017
MITSUBISHI ELECTRIC CORP42016–2020
NAKAO YUICHI22012–2017
ROHM CO LTD22012–2017
BABCOCK HITACHI KK12010
Locations
LocationPatentsSpan
Tokyo, JP32016–2020
Kyoto, JP22012–2017
Kanagawa, JP12017
Chiyoda-ku, JP12016
Hiroshima, JP12010