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Extract from the Register of European Patents

EP About this file: EP3852182

EP3852182 - NONAQUEOUS ELECTROLYTE SECONDARY BATTERY, METHOD OF MANUFACTURING SAME, AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY SYSTEM [Right-click to bookmark this link]
StatusRequest for examination was made
Status updated on  18.06.2021
Database last updated on 21.03.2026
FormerThe international publication has been made
Status updated on  21.03.2020
Most recent event   Tooltip09.09.2025New entry: Renewal fee paid 
Applicant(s)For all designated states
Maxell, Ltd.
1, Koizumi, Oyamazaki
Oyamazaki-cho
Otokuni-gun
Kyoto 618-8525 / JP
[2022/02]
Former [2021/29]For all designated states
Maxell Holdings, Ltd.
1 Koizumi, Oyamazaki
Oyamazaki-cho
Otokuni-gun
Kyoto 618-8525 / JP
Inventor(s)01 / YAMASHITA, Akira
c/o MAXELL, LTD., 1, Koizumi Oyamazaki, Oyamazaki-
cho
Otokuni-gun, Kyoto 618-8525 / JP
02 / KAMIZORI, Haruki
c/o MAXELL, LTD., 1, Koizumi Oyamazaki, Oyamazaki-
cho
Otokuni-gun, Kyoto 618-8525 / JP
03 / HATAKEYAMA, Atsushi
c/o MAXELL, LTD., 1, Koizumi Oyamazaki, Oyamazaki-
cho
Otokuni-gun, Kyoto 618-8525 / JP
 [2021/29]
Representative(s)Diehl & Partner
Patent- und Rechtsanwaltskanzlei mbB
Erika-Mann-Straße 9
80636 München / DE
[2021/29]
Application number, filing date19859956.509.09.2019
[2021/29]
WO2019JP35320
Priority number, dateJP2018017264914.09.2018         Original published format: JP 2018172649
[2021/29]
Filing languageJA
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2020054648
Date:19.03.2020
Language:JA
[2020/12]
Type: A1 Application with search report 
No.:EP3852182
Date:21.07.2021
Language:EN
[2021/29]
Search report(s)International search report - published on:JP19.03.2020
(Supplementary) European search report - dispatched on:EP10.05.2022
ClassificationIPC:H01M10/052, H01M4/134, H01M4/46, H01M4/485, H01M4/58, H01M4/66, H01M10/058, H01M10/44
[2022/23]
CPC:
H01M4/661 (EP); H01M4/463 (US); H01M10/052 (EP,US);
H01M10/46 (US); H01M4/134 (EP); H01M4/485 (EP,US);
H01M50/409 (EP,US); H01M50/491 (EP,US); H01M10/0587 (EP);
H01M10/44 (EP); H01M2004/021 (US); H01M4/405 (EP);
H01M50/44 (EP); H01M50/489 (EP,US); Y02E60/10 (EP);
Y02P70/50 (EP) (-)
Former IPC [2021/29]H01M10/052, H01M2/16, H01M4/134, H01M4/46, H01M4/485, H01M4/58, H01M4/66, H01M10/058, H01M10/44
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 [2021/29]
TitleGerman:SEKUNDÄRBATTERIE MIT WASSERFREIEM ELEKTROLYT, VERFAHREN ZU IHRER HERSTELLUNG UND SEKUNDÄRBATTERIE MIT WASSERFREIEM ELEKTROLYT[2021/29]
English:NONAQUEOUS ELECTROLYTE SECONDARY BATTERY, METHOD OF MANUFACTURING SAME, AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY SYSTEM[2021/29]
French:ACCUMULATEUR À ÉLECTROLYTE NON AQUEUX, PROCÉDÉ DE FABRICATION DE CELUI-CI ET SYSTÈME D'ACCUMULATEUR À ÉLECTROLYTE NON AQUEUX MATÉRIAU[2021/29]
Entry into regional phase09.03.2021Translation filed 
09.03.2021National basic fee paid 
09.03.2021Search fee paid 
09.03.2021Designation fee(s) paid 
09.03.2021Examination fee paid 
Examination procedure09.03.2021Examination requested  [2021/29]
04.10.2022Amendment by applicant (claims and/or description)
Fees paidRenewal fee
30.08.2021Renewal fee patent year 03
19.08.2022Renewal fee patent year 04
31.08.2023Renewal fee patent year 05
21.08.2024Renewal fee patent year 06
08.09.2025Renewal fee patent year 07
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Documents cited:Search[XYI] US2017263926  (HATAKEYAMA ATSUSHI et al.) [X] 1-3,6 * paragraph [0059] - paragraph [0066]; figure 1 *[Y] 4,5 [I] 7
 [Y] WO2017187638  (NISSAN MOTOR et al.) [Y] 4,5 * paragraph [0145] - paragraph [0259] *
 [XYI] WO2017138361  (HITACHI MAXELL et al.) [X] 1,3,6 * paragraph [0049] - paragraph [0055]; figure 1 *[Y] 4,5 [I] 7
International search[XY] WO2016039323  (HITACHI MAXELL et al.) [X] 1, 3, 5-7 * , paragraphs [0125]-[0131] & JP 2016-192394 A & JP 2016-192395 A & US 2017/0263926 A1, paragraphs [0129]-[0134] & EP 3193396 A1 & CN 106663787 A *[Y] 4
 [Y] JPH08293302  (MATSUSHITA ELECTRIC INDUSTRIAL CO LTD et al.) [Y] 4 * , paragraph [0014] (Family: none) *
 [A] WO2017190364  (SHENZHEN INSTITUTE OF ADVANCED TECH SHENZHEN (CN） et al.) [A] 1-7 * & JP 2019-501478 A & US 2018/0342758 A1 & WO 2017/190572 A1 & EP 3370294 A1 & CN 107615550 A & KR 10-2018-0066169 A *
 [A] JP2005294013  (SANYO ELECTRIC CO et al.) [A] 1-7 * (Family: none) *
 [A] JPH07320723  (HITACHI MAXELL et al.) [A] 1-7 * (Family: none) *
 [P, X] JP2019129147  (MAXELL HOLDINGS LTD et al.) [P, X] 1-3, 6-7 * , paragraphs [0115]-[0116], [0139], [0144] (Family: none) *
by applicantJP2016039323
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.