Extract from the Register of European Patents

EP About this file: EP4468568

EP4468568 - ROTATING ELECTRIC MACHINE [Right-click to bookmark this link]
StatusRequest for examination was made
Status updated on  25.10.2024
Database last updated on 28.03.2026
FormerThe international publication has been made
Status updated on  28.07.2023
Most recent event   Tooltip20.03.2026Amendment by applicant 
Applicant(s)For all designated states
Astemo, Ltd.
2-1, Otemachi 2-chome
Chiyoda-ku
Tokyo 100-0004 / JP
[2025/36]
Former [2024/48]For all designated states
Hitachi Astemo, Ltd.
2520 Takaba
Hitachinaka-shi
Ibaraki 312-8503 / JP
Inventor(s)01 / TOYA, Akihito
Hitachinaka-shi, Ibaraki 312-8503 / JP
02 / TOBA, Akira
Hitachinaka-shi, Ibaraki 312-8503 / JP
03 / TATENO, Keisuke
Hitachinaka-shi, Ibaraki 312-8503 / JP
 [2024/48]
Representative(s)MERH-IP Matias Erny Reichl Hoffmann Patentanwälte PartG mbB
Paul-Heyse-Straße 29
80336 München / DE
[N/P]
Former [2024/48]MERH-IP Matias Erny Reichl Hoffmann Patentanwälte PartG mbB
Paul-Heyse-Strasse 29
80336 München / DE
Application number, filing date22921882.120.01.2022
[2024/48]
WO2022JP01996
Filing languageJA
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2023139724
Date:27.07.2023
Language:JA
[2023/30]
Type: A1 Application with search report 
No.:EP4468568
Date:27.11.2024
Language:EN
[2024/48]
Search report(s)International search report - published on:JP27.07.2023
(Supplementary) European search report - dispatched on:EP02.09.2025
ClassificationIPC:H02K3/04, H02K15/0643
[2025/40]
CPC:
H02K3/12 (EP); H02K3/28 (US); H02K15/0643 (EP);
H02K2213/03 (EP); Y02T10/64 (EP)
Former IPC [2024/48]H02K3/04
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 [2024/48]
TitleGerman:ELEKTRISCHE DREHMASCHINE[2024/48]
English:ROTATING ELECTRIC MACHINE[2024/48]
French:MACHINE ÉLECTRIQUE TOURNANTE[2024/48]
Entry into regional phase12.07.2024Translation filed 
20.08.2024National basic fee paid 
20.08.2024Search fee paid 
20.08.2024Designation fee(s) paid 
20.08.2024Examination fee paid 
Examination procedure20.08.2024Examination requested  [2024/48]
18.03.2026Date on which the examining division has become responsible
Fees paidRenewal fee
20.08.2024Renewal fee patent year 03
31.01.2025Renewal fee patent year 04
02.02.2026Renewal fee patent year 05
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Documents cited:Search[Y] WO2021019843  (MEIDENSHA ELECTRIC MFG CO LTD et al.) [Y] 1-3 * abstract * * figures 2a-2b * * figures 4a-4d *
 [Y] US2015076953  (TAMURA AKITO et al.) [Y] 1-3 * figure 4 * * figure 9A * * paragraph [0012] * * paragraph [0066] * * paragraph [0068] *
International search[Y] WO2019130747  (ODAWARA ENGINEERING CO LTD et al.) [Y] 1-3 * paragraphs [0026]-[0031], fig. 3-5 *
 [Y] JP2013226028  (SUMITOMO ELECTRIC INDUSTRIES et al.) [Y] 1-3 * paragraph [0071], fig. 4 *
 [A] WO2018003461  (HITACHI AUTOMOTIVE SYSTEMS LTD et al.) [A] 1-3
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