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Extract from the Register of European Patents

EP About this file: EP4489140

EP4489140 - SECONDARY BATTERY BINDER, SECONDARY BATTERY BINDER SHEET, PRODUCTION METHOD THEREFOR, AND SOLID-STATE SECONDARY BATTERY [Right-click to bookmark this link]
StatusRequest for examination was made
Status updated on  06.12.2024
Database last updated on 19.03.2026
FormerThe international publication has been made
Status updated on  08.09.2023
Most recent event   Tooltip14.03.2026New entry: Renewal fee paid 
Applicant(s)For all designated states
DAIKIN INDUSTRIES, LTD.
Osaka Umeda Twin Towers South
1-13-1, Umeda
Kita-ku
Osaka-shi, Osaka 530-0001 / JP
[2025/02]
Inventor(s)01 / YAMADA, Takaya
Osaka-shi, Osaka 530-0001 / JP
02 / YAMADA, Masahiko
Osaka-shi, Osaka 530-0001 / JP
03 / TERADA, Junpei
Osaka-shi, Osaka 530-0001 / JP
04 / FUJIWARA, Kae
Osaka-shi, Osaka 530-0001 / JP
05 / HIRAGA, Kentarou
Osaka-shi, Osaka 530-0001 / JP
06 / SUI, Xianwei
Osaka-shi, Osaka 530-0001 / JP
 [2025/02]
Representative(s)Hoffmann Eitle
Patent- und Rechtsanwälte PartmbB
Arabellastraße 30
81925 München / DE
[2025/02]
Application number, filing date23763555.202.03.2023
[2025/02]
WO2023JP07905
Priority number, dateJP2022003205602.03.2022         Original published format: JP 2022032056
[2025/02]
Filing languageJA
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2023167298
Date:07.09.2023
Language:JA
[2023/36]
Type: A1 Application with search report 
No.:EP4489140
Date:08.01.2025
Language:EN
[2025/02]
Search report(s)International search report - published on:JP07.09.2023
(Supplementary) European search report - dispatched on:EP26.06.2025
ClassificationIPC:H01M4/62, H01M4/139, H01M10/052, H01M10/0562, H01M4/04, H01M4/13
[2025/31]
CPC:
H01M10/052 (EP); H01M4/622 (EP,KR); H01M10/056 (EP,US);
H01M10/0525 (EP,KR); H01M10/0562 (EP,KR); H01M4/0435 (EP,KR);
H01M4/13 (EP,KR); H01M4/139 (EP,KR); H01M4/62 (EP);
H01M4/623 (EP,KR); H01M2004/021 (EP,KR); H01M2300/0068 (EP,KR);
H01M2300/0091 (EP,US); Y02E60/10 (EP,KR) (-)
Former IPC [2025/02]H01M4/62, H01M4/139, H01M10/052, H01M10/0562
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,   ME,   MK,   MT,   NL,   NO,   PL,   PT,   RO,   RS,   SE,   SI,   SK,   SM,   TR [2025/02]
TitleGerman:SEKUNDÄRBATTERIEBINDER, SEKUNDÄRBATTERIEBINDERFOLIE, HERSTELLUNGSVERFAHREN DAFÜR UND FESTKÖRPERSEKUNDÄRBATTERIE[2025/02]
English:SECONDARY BATTERY BINDER, SECONDARY BATTERY BINDER SHEET, PRODUCTION METHOD THEREFOR, AND SOLID-STATE SECONDARY BATTERY[2025/02]
French:LIANT DE BATTERIE SECONDAIRE, FEUILLE DE LIANT DE BATTERIE SECONDAIRE, PROCÉDÉ DE PRODUCTION ASSOCIÉ ET BATTERIE SECONDAIRE À SEMI-CONDUCTEUR[2025/02]
Entry into regional phase24.09.2024Translation filed 
24.09.2024National basic fee paid 
24.09.2024Search fee paid 
24.09.2024Designation fee(s) paid 
24.09.2024Examination fee paid 
Examination procedure24.09.2024Examination requested  [2025/02]
12.01.2026Amendment by applicant (claims and/or description)
12.01.2026Date on which the examining division has become responsible
Fees paidRenewal fee
21.03.2025Renewal fee patent year 03
13.03.2026Renewal fee patent year 04
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Responsibility for the accuracy, completeness or quality of the data displayed under the link provided lies entirely with the Unified Patent Court.
Documents cited:Search[X] JP2012099315  (SUMITOMO ELECTRIC INDUSTRIES et al.) [X] 1-15 * paragraphs [0032] - [48;52] - [0053]; figure 1; examples 1,2; claims 1-7; table 1 *
 [A] WO2021178284  (NAVITAS SYSTEMS LLC et al.) [A] 1-15 * figures 1-6; claims 1-30 *
 [A] CN113871566  (SUZHOU QINGTAO NEW ENERGY TECH CO LTD et al.) [A] 1-15 * claims 1-10; tables 1,2 *
International search[AX] JP2022514855  (フラウンホーファー－ゲゼルシャフト ツゥア フェアデルング デア アンゲヴァンドテン フォァシュング エー．ファウ．) [A] 2, 4 [X] 1, 3, 5-15
 [AX] JP2022514039  (フラウンホーファー－ゲゼルシャフト ツゥア フェアデルング デア アンゲヴァンドテン フォァシュング エー．ファウ．) [A] 2, 4 [X] 1, 3, 5-15
 [X] CN112421114  (NANJING BOCHI NEW ENERGY CO LTD et al.) [X] 1-15 * claims, paragraphs [0004]-[0053] *
 [AX] WO2021043493  (SOLVAY et al.) [A] 2, 4 [X] 1, 3, 5-15
 [P, AP, X] WO2022050252  (DAIKIN IND LTD et al.) [P, A] 4 [P, X] 1-3, 5-15
by applicantWO2017517862
 WO2018096957
 WO2021043493
 WO2005527652
 WO2015080291
 WO2012086710
 WO2012063622
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.