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Extract from the Register of European Patents

EP About this file: EP4270755

EP4270755 - VOLTAGE TRANSFORMER [Right-click to bookmark this link]
StatusRequest for examination was made
Status updated on  29.09.2023
Database last updated on 29.10.2024
FormerThe international publication has been made
Status updated on  02.07.2022
Most recent event   Tooltip12.10.2024Supplementary search reportpublished on 13.11.2024 [2024/46]
Applicant(s)For all designated states
Hitachi Astemo, Ltd.
2520 Takaba
Hitachinaka-shi
Ibaraki 312-8503 / JP
[2023/44]
Inventor(s)01 / KUROKAWA, Kazunari
Hitachinaka-shi, Ibaraki 312-8503 / JP
02 / HASHINO, Satoshi
Hitachinaka-shi, Ibaraki 312-8503 / JP
03 / KATO, Takuma
Hitachinaka-shi, Ibaraki 312-8503 / JP
04 / IKEDA, Koji
Hitachinaka-shi, Ibaraki 312-8503 / JP
 [2023/44]
Representative(s)Eisenführ Speiser
Patentanwälte Rechtsanwälte PartGmbB
Postfach 31 02 60
80102 München / DE
[2023/44]
Application number, filing date21910358.709.12.2021
[2023/44]
WO2021JP45371
Priority number, dateJP2020021635825.12.2020         Original published format: JP 2020216358
[2023/44]
Filing languageJA
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2022138209
Date:30.06.2022
Language:JA
[2022/26]
Type: A1 Application with search report 
No.:EP4270755
Date:01.11.2023
Language:EN
[2023/44]
Search report(s)International search report - published on:JP30.06.2022
(Supplementary) European search report - dispatched on:EP11.10.2024
ClassificationIPC:H02M3/155, H02M3/158, H02M1/00, H02M7/219, H02M7/5387
[2024/46]
CPC:
H02M1/0064 (EP,US); H02M3/1586 (EP,US); H02M1/0025 (EP,US);
H02M1/0048 (EP); H02M1/0054 (EP); H02M1/0058 (US);
H02M1/14 (US); H02M7/53871 (EP,US); H02M1/007 (EP);
H02M7/219 (EP) (-)
Former IPC [2023/44]H02M3/155
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 [2023/44]
TitleGerman:SPANNUNGSWANDLER[2023/44]
English:VOLTAGE TRANSFORMER[2023/44]
French:TRANSFORMATEUR DE TENSION[2023/44]
Entry into regional phase29.06.2023Translation filed 
25.07.2023National basic fee paid 
25.07.2023Search fee paid 
25.07.2023Designation fee(s) paid 
25.07.2023Examination fee paid 
Examination procedure25.07.2023Examination requested  [2023/44]
Fees paidRenewal fee
02.01.2024Renewal fee patent year 03
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Cited inInternational search[AY]JP2011101554  (TOYOTA MOTOR CORP);
 [AY]JP2013005589  (DAIHEN CORP);
 [AY]JP2017158373  (TOYOTA MOTOR CORP);
 [AY]JP2019097287  (MEIDENSHA ELECTRIC MFG CO LTD)
by applicantJP2020216358
 JP2019097287
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.