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Extract from the Register of European Patents

EP About this file: EP3477843

EP3477843 - POWER CONVERSION DEVICE AND METHOD FOR DETERMINING GROUND FAULT SITE [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  04.06.2021
Database last updated on 03.10.2024
FormerThe patent has been granted
Status updated on  26.06.2020
FormerGrant of patent is intended
Status updated on  14.04.2020
FormerRequest for examination was made
Status updated on  29.03.2019
FormerThe international publication has been made
Status updated on  29.12.2017
Most recent event   Tooltip13.09.2024Lapse of the patent in a contracting state
New state(s): MT
published on 16.10.2024 [2024/42]
Applicant(s)For all designated states
Hitachi Industrial Equipment Systems Co., Ltd.
3, Kandaneribei-cho Chiyoda-ku
Tokyo 101-0022 / JP
[2019/18]
Inventor(s)01 / KAGEYAMA, Hiroshi
c/o Hitachi, Ltd.
6-6 Marunouchi 1-chome
Chiyoda-ku
Tokyo 100-8280 / JP
02 / SASAKI, Yasushi
c/o Hitachi Industrial Equipment Systems Co., Ltd.
3 Kanda Neribei-cho
Chiyoda-ku
Tokyo 101-0022 / JP
03 / TOMIYAMA Kiyotaka
c/o Hitachi Industrial Equipment Systems Co., Ltd.
3 Kanda Neribei-cho
Chiyoda-ku
Tokyo 101-0022 / JP
 [2019/18]
Representative(s)Mewburn Ellis LLP
Aurora Building
Counterslip
Bristol BS1 6BX / GB
[2020/31]
Former [2019/18]Mewburn Ellis LLP
City Tower
40 Basinghall Street
London EC2V 5DE / GB
Application number, filing date17814925.810.02.2017
[2019/18]
WO2017JP05000
Priority number, dateJP2016012424123.06.2016         Original published format: JP 2016124241
[2019/18]
Filing languageJA
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2017221453
Date:28.12.2017
Language:JA
[2017/52]
Type: A1 Application with search report 
No.:EP3477843
Date:01.05.2019
Language:EN
[2019/18]
Type: B1 Patent specification 
No.:EP3477843
Date:29.07.2020
Language:EN
[2020/31]
Search report(s)International search report - published on:JP28.12.2017
(Supplementary) European search report - dispatched on:EP20.01.2020
ClassificationIPC:H02M5/458, H02M7/5387, G01R31/50, G01R31/42, H02M1/32, H02M1/08, G01R27/26, G01R31/08, H02P23/00, // H02M1/00
[2020/08]
CPC:
G01R27/2611 (EP,US); G01R31/08 (EP); G01R31/42 (EP);
G01R31/52 (EP,US); H02M1/08 (EP); H02M1/32 (EP);
H02M5/458 (EP); H02M7/53871 (EP); H02P23/00 (EP);
H02P29/024 (EP); H02M1/0009 (EP) (-)
Former IPC [2019/18]H02M7/48, H02P23/00
Designated contracting statesAL,   AT,   BE,   BG,   CH,   CY,   CZ,   DE,   DK,   EE,   ES,   FI,   FR,   GB,   GR,   HR,   HU,   IE,   IS,   IT,   LI,   LT,   LU,   LV,   MC,   MK,   MT,   NL,   NO,   PL,   PT,   RO,   RS,   SE,   SI,   SK,   SM,   TR [2019/18]
Extension statesBANot yet paid
MENot yet paid
Validation statesMANot yet paid
MDNot yet paid
TitleGerman:LEISTUNGSUMWANDLUNGSVORRICHTUNG UND -VERFAHREN ZUR BESTIMMUNG VON ERDSCHLUSSSTELLEN[2019/18]
English:POWER CONVERSION DEVICE AND METHOD FOR DETERMINING GROUND FAULT SITE[2019/18]
French:DISPOSITIF DE CONVERSION DE PUISSANCE ET PROCÉDÉ DE DÉTERMINATION D'UN SITE DE DÉFAUT À LA TERRE[2019/18]
Entry into regional phase11.10.2018Translation filed 
11.10.2018National basic fee paid 
11.10.2018Search fee paid 
11.10.2018Designation fee(s) paid 
11.10.2018Examination fee paid 
Examination proceduredeletedDate on which the examining division has become responsible
11.10.2018Examination requested  [2019/18]
11.03.2020Amendment by applicant (claims and/or description)
15.04.2020Communication of intention to grant the patent
19.06.2020Fee for grant paid
19.06.2020Fee for publishing/printing paid
22.06.2020Receipt of the translation of the claim(s)
Opposition(s)30.04.2021No opposition filed within time limit [2021/27]
Fees paidRenewal fee
11.10.2018Renewal fee patent year 03
12.02.2020Renewal fee patent year 04
Opt-out from the exclusive  Tooltip
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Patent Court
See the Register of the Unified Patent Court for opt-out data
Responsibility for the accuracy, completeness or quality of the data displayed under the link provided lies entirely with the Unified Patent Court.
Lapses during opposition  TooltipHU10.02.2017
AL29.07.2020
AT29.07.2020
CY29.07.2020
CZ29.07.2020
DK29.07.2020
EE29.07.2020
ES29.07.2020
FI29.07.2020
HR29.07.2020
LT29.07.2020
LV29.07.2020
MC29.07.2020
MK29.07.2020
MT29.07.2020
NL29.07.2020
PL29.07.2020
RO29.07.2020
RS29.07.2020
SE29.07.2020
SI29.07.2020
SK29.07.2020
SM29.07.2020
BG29.10.2020
NO29.10.2020
GR30.10.2020
IS29.11.2020
PT30.11.2020
GB10.02.2021
IE10.02.2021
LU10.02.2021
BE28.02.2021
CH28.02.2021
LI28.02.2021
[2024/42]
Former [2024/23]HU10.02.2017
AL29.07.2020
AT29.07.2020
CY29.07.2020
CZ29.07.2020
DK29.07.2020
EE29.07.2020
ES29.07.2020
FI29.07.2020
HR29.07.2020
LT29.07.2020
LV29.07.2020
MC29.07.2020
MK29.07.2020
NL29.07.2020
PL29.07.2020
RO29.07.2020
RS29.07.2020
SE29.07.2020
SI29.07.2020
SK29.07.2020
SM29.07.2020
BG29.10.2020
NO29.10.2020
GR30.10.2020
IS29.11.2020
PT30.11.2020
GB10.02.2021
IE10.02.2021
LU10.02.2021
BE28.02.2021
CH28.02.2021
LI28.02.2021
Former [2023/33]HU10.02.2017
AL29.07.2020
AT29.07.2020
CY29.07.2020
CZ29.07.2020
DK29.07.2020
EE29.07.2020
ES29.07.2020
FI29.07.2020
HR29.07.2020
LT29.07.2020
LV29.07.2020
MC29.07.2020
NL29.07.2020
PL29.07.2020
RO29.07.2020
RS29.07.2020
SE29.07.2020
SI29.07.2020
SK29.07.2020
SM29.07.2020
BG29.10.2020
NO29.10.2020
GR30.10.2020
IS29.11.2020
PT30.11.2020
GB10.02.2021
IE10.02.2021
LU10.02.2021
BE28.02.2021
CH28.02.2021
LI28.02.2021
Former [2023/30]AL29.07.2020
AT29.07.2020
CY29.07.2020
CZ29.07.2020
DK29.07.2020
EE29.07.2020
ES29.07.2020
FI29.07.2020
HR29.07.2020
LT29.07.2020
LV29.07.2020
MC29.07.2020
NL29.07.2020
PL29.07.2020
RO29.07.2020
RS29.07.2020
SE29.07.2020
SI29.07.2020
SK29.07.2020
SM29.07.2020
BG29.10.2020
NO29.10.2020
GR30.10.2020
IS29.11.2020
PT30.11.2020
GB10.02.2021
IE10.02.2021
LU10.02.2021
BE28.02.2021
CH28.02.2021
LI28.02.2021
Former [2022/34]AL29.07.2020
AT29.07.2020
CZ29.07.2020
DK29.07.2020
EE29.07.2020
ES29.07.2020
FI29.07.2020
HR29.07.2020
LT29.07.2020
LV29.07.2020
MC29.07.2020
NL29.07.2020
PL29.07.2020
RO29.07.2020
RS29.07.2020
SE29.07.2020
SI29.07.2020
SK29.07.2020
SM29.07.2020
BG29.10.2020
NO29.10.2020
GR30.10.2020
IS29.11.2020
PT30.11.2020
GB10.02.2021
IE10.02.2021
LU10.02.2021
BE28.02.2021
CH28.02.2021
LI28.02.2021
Former [2022/09]AL29.07.2020
AT29.07.2020
CZ29.07.2020
DK29.07.2020
EE29.07.2020
ES29.07.2020
FI29.07.2020
HR29.07.2020
LT29.07.2020
LV29.07.2020
MC29.07.2020
NL29.07.2020
PL29.07.2020
RO29.07.2020
RS29.07.2020
SE29.07.2020
SI29.07.2020
SK29.07.2020
SM29.07.2020
BG29.10.2020
NO29.10.2020
GR30.10.2020
IS29.11.2020
PT30.11.2020
GB10.02.2021
IE10.02.2021
LU10.02.2021
CH28.02.2021
LI28.02.2021
Former [2022/07]AL29.07.2020
AT29.07.2020
CZ29.07.2020
DK29.07.2020
EE29.07.2020
ES29.07.2020
FI29.07.2020
HR29.07.2020
LT29.07.2020
LV29.07.2020
MC29.07.2020
NL29.07.2020
PL29.07.2020
RO29.07.2020
RS29.07.2020
SE29.07.2020
SI29.07.2020
SK29.07.2020
SM29.07.2020
BG29.10.2020
NO29.10.2020
GR30.10.2020
IS29.11.2020
PT30.11.2020
IE10.02.2021
LU10.02.2021
CH28.02.2021
LI28.02.2021
Former [2021/47]AL29.07.2020
AT29.07.2020
CZ29.07.2020
DK29.07.2020
EE29.07.2020
ES29.07.2020
FI29.07.2020
HR29.07.2020
LT29.07.2020
LV29.07.2020
MC29.07.2020
NL29.07.2020
PL29.07.2020
RO29.07.2020
RS29.07.2020
SE29.07.2020
SI29.07.2020
SK29.07.2020
SM29.07.2020
BG29.10.2020
NO29.10.2020
GR30.10.2020
IS29.11.2020
PT30.11.2020
LU10.02.2021
CH28.02.2021
LI28.02.2021
Former [2021/41]AL29.07.2020
AT29.07.2020
CZ29.07.2020
DK29.07.2020
EE29.07.2020
ES29.07.2020
FI29.07.2020
HR29.07.2020
LT29.07.2020
LV29.07.2020
MC29.07.2020
NL29.07.2020
PL29.07.2020
RO29.07.2020
RS29.07.2020
SE29.07.2020
SI29.07.2020
SK29.07.2020
SM29.07.2020
BG29.10.2020
NO29.10.2020
GR30.10.2020
IS29.11.2020
PT30.11.2020
Former [2021/36]AL29.07.2020
AT29.07.2020
CZ29.07.2020
DK29.07.2020
EE29.07.2020
ES29.07.2020
FI29.07.2020
HR29.07.2020
LT29.07.2020
LV29.07.2020
NL29.07.2020
PL29.07.2020
RO29.07.2020
RS29.07.2020
SE29.07.2020
SI29.07.2020
SK29.07.2020
SM29.07.2020
BG29.10.2020
NO29.10.2020
GR30.10.2020
IS29.11.2020
PT30.11.2020
Former [2021/28]AL29.07.2020
AT29.07.2020
CZ29.07.2020
DK29.07.2020
EE29.07.2020
ES29.07.2020
FI29.07.2020
HR29.07.2020
LT29.07.2020
LV29.07.2020
NL29.07.2020
PL29.07.2020
RO29.07.2020
RS29.07.2020
SE29.07.2020
SK29.07.2020
SM29.07.2020
BG29.10.2020
NO29.10.2020
GR30.10.2020
IS29.11.2020
PT30.11.2020
Former [2021/25]AL29.07.2020
AT29.07.2020
CZ29.07.2020
DK29.07.2020
EE29.07.2020
ES29.07.2020
FI29.07.2020
HR29.07.2020
LT29.07.2020
LV29.07.2020
NL29.07.2020
PL29.07.2020
RO29.07.2020
RS29.07.2020
SE29.07.2020
SM29.07.2020
BG29.10.2020
NO29.10.2020
GR30.10.2020
IS29.11.2020
PT30.11.2020
Former [2021/22]AT29.07.2020
CZ29.07.2020
DK29.07.2020
EE29.07.2020
ES29.07.2020
FI29.07.2020
HR29.07.2020
LT29.07.2020
LV29.07.2020
NL29.07.2020
PL29.07.2020
RO29.07.2020
RS29.07.2020
SE29.07.2020
SM29.07.2020
BG29.10.2020
NO29.10.2020
GR30.10.2020
IS29.11.2020
PT30.11.2020
Former [2021/21]AT29.07.2020
DK29.07.2020
ES29.07.2020
FI29.07.2020
HR29.07.2020
LT29.07.2020
LV29.07.2020
NL29.07.2020
PL29.07.2020
RS29.07.2020
SE29.07.2020
BG29.10.2020
NO29.10.2020
GR30.10.2020
IS29.11.2020
PT30.11.2020
Former [2021/17]AT29.07.2020
ES29.07.2020
FI29.07.2020
HR29.07.2020
LT29.07.2020
LV29.07.2020
NL29.07.2020
PL29.07.2020
RS29.07.2020
SE29.07.2020
BG29.10.2020
NO29.10.2020
GR30.10.2020
IS29.11.2020
PT30.11.2020
Former [2021/10]AT29.07.2020
ES29.07.2020
FI29.07.2020
HR29.07.2020
LT29.07.2020
LV29.07.2020
PL29.07.2020
RS29.07.2020
SE29.07.2020
BG29.10.2020
NO29.10.2020
GR30.10.2020
IS29.11.2020
PT30.11.2020
Former [2021/09]AT29.07.2020
ES29.07.2020
FI29.07.2020
LT29.07.2020
SE29.07.2020
BG29.10.2020
NO29.10.2020
GR30.10.2020
PT30.11.2020
Former [2021/08]ES29.07.2020
FI29.07.2020
LT29.07.2020
SE29.07.2020
BG29.10.2020
NO29.10.2020
PT30.11.2020
Former [2021/07]FI29.07.2020
LT29.07.2020
NO29.10.2020
Documents cited:Search[A]US2008084215  (ITTEN ALEX [CH], et al);
 [A]US2013293988  (LI HUAQIANG [US], et al)
International search[A]JPH0666901  (HITACHI LTD, et al);
 [A]JP2002136148  (SUMITOMO METAL IND);
 [A]JP2002140123  (CANON KK)
by applicantJPH1023795
The EPO accepts no responsibility for the accuracy of data originating from other authorities; in particular, it does not guarantee that it is complete, up to date or fit for specific purposes.