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Extract from the Register of European Patents

EP About this file: EP3715879

EP3715879 - NON-INTRUSIVE ESR/C ESTIMATION METHOD FOR DC BUS CAPACITOR AGEING DETECTION IN POWER CONVERTERS [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  14.01.2022
Database last updated on 14.09.2024
FormerThe patent has been granted
Status updated on  05.02.2021
FormerGrant of patent is intended
Status updated on  15.12.2020
FormerRequest for examination was made
Status updated on  23.10.2020
FormerThe application has been published
Status updated on  28.08.2020
Most recent event   Tooltip14.06.2024Lapse of the patent in a contracting state
New state(s): TR
published on 17.07.2024  [2024/29]
Applicant(s)For:FR 
Mitsubishi Electric R&D Centre Europe B.V.
Capronilaan 46
1119 NS Schiphol Rijk Amsterdam / NL
For:AL  AT  BE  BG  CH  CY  CZ  DE  DK  EE  ES  FI  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 
Mitsubishi Electric Corporation
7-3, Marunouchi 2-chome
Chiyoda-Ku
Tokyo 100-8310 / JP
[2020/40]
Inventor(s)01 / FOUBE, Laurent
c/ MITSUBISHI ELECTRIC R&D CENTRE EUROPE 1, allée
de Beaulieu - CS10806
35708 RENNES Cédex 7 / FR
02 / MOLLOV, Stefan
c/ MITSUBISHI ELECTRIC R&D CENTRE EUROPE 1, allée
de Beaulieu - CS10806
35708 RENNES Cédex 7 / FR
 [2020/40]
Representative(s)Plasseraud IP
104 Rue de Richelieu
CS92104
75080 Paris Cedex 02 / FR
[N/P]
Former [2020/40]Plasseraud IP
66, rue de la Chaussée d'Antin
75440 Paris Cedex 09 / FR
Application number, filing date19305380.826.03.2019
[2020/40]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report 
No.:EP3715879
Date:30.09.2020
Language:EN
[2020/40]
Type: B1 Patent specification 
No.:EP3715879
Date:10.03.2021
Language:EN
[2021/10]
Search report(s)(Supplementary) European search report - dispatched on:EP18.09.2019
ClassificationIPC:G01R31/50, G01R31/42, G01R31/64
[2021/01]
CPC:
G01R31/42 (EP); G01R31/64 (EP)
Former IPC [2020/40]G01R31/02, G01R31/42
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 [2020/48]
Former [2020/40]AL,  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 
TitleGerman:NICHT-INTRUSIVES ESR/C-SCHÄTZVERFAHREN ZUR ERKENNUNG DER ALTERUNG EINES DC-BUSKONDENSATORS IN LEISTUNGSUMRICHTERN[2020/40]
English:NON-INTRUSIVE ESR/C ESTIMATION METHOD FOR DC BUS CAPACITOR AGEING DETECTION IN POWER CONVERTERS[2020/40]
French:PROCÉDÉ D'ESTIMATION D'ESR/C NON INTRUSIF POUR LA DÉTECTION DU VIEILLISSEMENT DE CONDENSATEUR DE BUS CC DANS DES CONVERTISSEURS DE PUISSANCE[2020/40]
Examination procedure21.10.2020Amendment by applicant (claims and/or description)
21.10.2020Examination requested  [2020/48]
21.10.2020Date on which the examining division has become responsible
16.12.2020Communication of intention to grant the patent
01.02.2021Fee for grant paid
01.02.2021Fee for publishing/printing paid
01.02.2021Receipt of the translation of the claim(s)
Opposition(s)13.12.2021No opposition filed within time limit [2022/07]
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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  TooltipHU26.03.2019
AL10.03.2021
AT10.03.2021
CY10.03.2021
CZ10.03.2021
DK10.03.2021
EE10.03.2021
ES10.03.2021
FI10.03.2021
HR10.03.2021
IT10.03.2021
LT10.03.2021
LV10.03.2021
MC10.03.2021
MK10.03.2021
NL10.03.2021
PL10.03.2021
RO10.03.2021
RS10.03.2021
SE10.03.2021
SI10.03.2021
SK10.03.2021
SM10.03.2021
TR10.03.2021
IE26.03.2021
LU26.03.2021
BE31.03.2021
BG10.06.2021
NO10.06.2021
GR11.06.2021
IS10.07.2021
PT12.07.2021
[2024/29]
Former [2024/23]HU26.03.2019
AL10.03.2021
AT10.03.2021
CY10.03.2021
CZ10.03.2021
DK10.03.2021
EE10.03.2021
ES10.03.2021
FI10.03.2021
HR10.03.2021
IT10.03.2021
LT10.03.2021
LV10.03.2021
MC10.03.2021
MK10.03.2021
NL10.03.2021
PL10.03.2021
RO10.03.2021
RS10.03.2021
SE10.03.2021
SI10.03.2021
SK10.03.2021
SM10.03.2021
IE26.03.2021
LU26.03.2021
BE31.03.2021
BG10.06.2021
NO10.06.2021
GR11.06.2021
IS10.07.2021
PT12.07.2021
Former [2023/41]HU26.03.2019
AL10.03.2021
AT10.03.2021
CY10.03.2021
CZ10.03.2021
DK10.03.2021
EE10.03.2021
ES10.03.2021
FI10.03.2021
HR10.03.2021
IT10.03.2021
LT10.03.2021
LV10.03.2021
MC10.03.2021
NL10.03.2021
PL10.03.2021
RO10.03.2021
RS10.03.2021
SE10.03.2021
SI10.03.2021
SK10.03.2021
SM10.03.2021
IE26.03.2021
LU26.03.2021
BE31.03.2021
BG10.06.2021
NO10.06.2021
GR11.06.2021
IS10.07.2021
PT12.07.2021
Former [2023/30]AL10.03.2021
AT10.03.2021
CY10.03.2021
CZ10.03.2021
DK10.03.2021
EE10.03.2021
ES10.03.2021
FI10.03.2021
HR10.03.2021
IT10.03.2021
LT10.03.2021
LV10.03.2021
MC10.03.2021
NL10.03.2021
PL10.03.2021
RO10.03.2021
RS10.03.2021
SE10.03.2021
SK10.03.2021
SM10.03.2021
IE26.03.2021
LU26.03.2021
BE31.03.2021
BG10.06.2021
NO10.06.2021
GR11.06.2021
IS10.07.2021
PT12.07.2021
Former [2022/34]AL10.03.2021
AT10.03.2021
CZ10.03.2021
DK10.03.2021
EE10.03.2021
ES10.03.2021
FI10.03.2021
HR10.03.2021
IT10.03.2021
LT10.03.2021
LV10.03.2021
MC10.03.2021
NL10.03.2021
PL10.03.2021
RO10.03.2021
RS10.03.2021
SE10.03.2021
SK10.03.2021
SM10.03.2021
IE26.03.2021
LU26.03.2021
BE31.03.2021
BG10.06.2021
NO10.06.2021
GR11.06.2021
IS10.07.2021
PT12.07.2021
Former [2022/23]AL10.03.2021
AT10.03.2021
CZ10.03.2021
DK10.03.2021
EE10.03.2021
ES10.03.2021
FI10.03.2021
HR10.03.2021
IT10.03.2021
LT10.03.2021
LV10.03.2021
MC10.03.2021
NL10.03.2021
PL10.03.2021
RO10.03.2021
RS10.03.2021
SE10.03.2021
SK10.03.2021
SM10.03.2021
IE26.03.2021
LU26.03.2021
BG10.06.2021
NO10.06.2021
GR11.06.2021
IS10.07.2021
PT12.07.2021
Former [2022/10]AL10.03.2021
AT10.03.2021
CZ10.03.2021
DK10.03.2021
EE10.03.2021
ES10.03.2021
FI10.03.2021
HR10.03.2021
LT10.03.2021
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MC10.03.2021
NL10.03.2021
PL10.03.2021
RO10.03.2021
RS10.03.2021
SE10.03.2021
SK10.03.2021
SM10.03.2021
IE26.03.2021
LU26.03.2021
BG10.06.2021
NO10.06.2021
GR11.06.2021
PT12.07.2021
Former [2022/08]AL10.03.2021
AT10.03.2021
CZ10.03.2021
DK10.03.2021
EE10.03.2021
ES10.03.2021
FI10.03.2021
HR10.03.2021
LT10.03.2021
LV10.03.2021
MC10.03.2021
NL10.03.2021
PL10.03.2021
RO10.03.2021
RS10.03.2021
SE10.03.2021
SK10.03.2021
SM10.03.2021
IE26.03.2021
LU26.03.2021
BG10.06.2021
NO10.06.2021
GR11.06.2021
IS10.07.2021
PT12.07.2021
Former [2022/07]AL10.03.2021
AT10.03.2021
CZ10.03.2021
EE10.03.2021
FI10.03.2021
HR10.03.2021
LT10.03.2021
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NL10.03.2021
PL10.03.2021
RO10.03.2021
RS10.03.2021
SE10.03.2021
SK10.03.2021
SM10.03.2021
IE26.03.2021
BG10.06.2021
NO10.06.2021
GR11.06.2021
IS10.07.2021
PT12.07.2021
Former [2021/52]AT10.03.2021
CZ10.03.2021
EE10.03.2021
FI10.03.2021
HR10.03.2021
LT10.03.2021
LV10.03.2021
NL10.03.2021
PL10.03.2021
RO10.03.2021
RS10.03.2021
SE10.03.2021
SK10.03.2021
SM10.03.2021
BG10.06.2021
NO10.06.2021
GR11.06.2021
IS10.07.2021
PT12.07.2021
Former [2021/51]AT10.03.2021
CZ10.03.2021
EE10.03.2021
FI10.03.2021
HR10.03.2021
LT10.03.2021
LV10.03.2021
NL10.03.2021
RO10.03.2021
RS10.03.2021
SE10.03.2021
SK10.03.2021
SM10.03.2021
BG10.06.2021
NO10.06.2021
GR11.06.2021
IS10.07.2021
PT12.07.2021
Former [2021/50]AT10.03.2021
CZ10.03.2021
EE10.03.2021
FI10.03.2021
HR10.03.2021
LT10.03.2021
LV10.03.2021
NL10.03.2021
RO10.03.2021
RS10.03.2021
SE10.03.2021
SK10.03.2021
SM10.03.2021
BG10.06.2021
NO10.06.2021
GR11.06.2021
PT12.07.2021
Former [2021/48]AT10.03.2021
CZ10.03.2021
EE10.03.2021
FI10.03.2021
HR10.03.2021
LT10.03.2021
LV10.03.2021
NL10.03.2021
RS10.03.2021
SE10.03.2021
SM10.03.2021
BG10.06.2021
NO10.06.2021
GR11.06.2021
Former [2021/47]AT10.03.2021
CZ10.03.2021
FI10.03.2021
HR10.03.2021
LT10.03.2021
LV10.03.2021
NL10.03.2021
RS10.03.2021
SE10.03.2021
SM10.03.2021
BG10.06.2021
NO10.06.2021
GR11.06.2021
Former [2021/46]AT10.03.2021
FI10.03.2021
HR10.03.2021
LT10.03.2021
LV10.03.2021
NL10.03.2021
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SE10.03.2021
SM10.03.2021
BG10.06.2021
NO10.06.2021
GR11.06.2021
Former [2021/43]FI10.03.2021
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LV10.03.2021
NL10.03.2021
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BG10.06.2021
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GR11.06.2021
Former [2021/38]FI10.03.2021
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LT10.03.2021
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SE10.03.2021
BG10.06.2021
NO10.06.2021
GR11.06.2021
Former [2021/37]FI10.03.2021
HR10.03.2021
LT10.03.2021
LV10.03.2021
RS10.03.2021
BG10.06.2021
NO10.06.2021
GR11.06.2021
Former [2021/36]FI10.03.2021
HR10.03.2021
LT10.03.2021
BG10.06.2021
NO10.06.2021
GR11.06.2021
Former [2021/35]FI10.03.2021
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LT10.03.2021
NO10.06.2021
Former [2021/33]FI10.03.2021
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NO10.06.2021
Documents cited:Search[X]US2005169018  (HATAI AKIRA [JP], et al) [X] 1,3,9,11,13,15 * figures 2, 4, 5 *;
 [XI]US2009072839  (KIM MYUNG CHUL [KR], et al) [X] 1,3-5,8-11,16 * figures 1, 6 * [I] 15;
 [A]  - XING-SI PU ET AL, "Fault Diagnosis of DC-Link Capacitors in Three-Phase AC/DC PWM Converters by Online Estimation of Equivalent Series Resistance", IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS, IEEE SERVICE CENTER, PISCATAWAY, NJ, USA, (20130901), vol. 60, no. 9, doi:10.1109/TIE.2012.2218561, ISSN 0278-0046, pages 4118 - 4127, XP011507080 [A] 1,2 * figures 1, 3-5 *

DOI:   http://dx.doi.org/10.1109/TIE.2012.2218561
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.