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Extract from the Register of European Patents

EP About this file: EP4030429

EP4030429 - SENSE AMPLIFIER, STORAGE DEVICE AND READING AND WRITING METHOD [Right-click to bookmark this link]
StatusExamination is in progress
Status updated on  04.08.2023
Database last updated on 17.09.2024
FormerRequest for examination was made
Status updated on  17.06.2022
FormerThe international publication has been made
Status updated on  07.01.2022
Most recent event   Tooltip20.08.2024Change - representative 
Applicant(s)For all designated states
Changxin Memory Technologies, Inc.
No. 388, Xingye Avenue
Airport Industrial Park
Economic and Technological Development Area
Hefei, Anhui 230601 / CN
[2022/29]
Inventor(s)01 / WANG, Ying
Shanghai 200051 / CN
02 / CHI, Sunsoo
Shanghai 200051 / CN
 [2022/29]
Representative(s)Gulde & Partner
Patent- und Rechtsanwaltskanzlei mbB
Wallstraße 58/59
10179 Berlin / DE
[N/P]
Former [2022/29]V.O.
P.O. Box 87930
2508 DH Den Haag / NL
Application number, filing date21834364.810.03.2021
[2022/29]
WO2021CN79898
Priority number, dateCN20201061581930.06.2020         Original published format: CN202010615819
[2022/29]
Filing languageZH
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2022001163
Date:06.01.2022
Language:ZH
[2022/01]
Type: A1 Application with search report 
No.:EP4030429
Date:20.07.2022
Language:EN
[2022/29]
Search report(s)International search report - published on:CN06.01.2022
(Supplementary) European search report - dispatched on:EP28.11.2022
ClassificationIPC:G11C7/06
[2022/29]
CPC:
G11C7/065 (EP,US); G11C7/062 (CN); G11C11/4091 (EP,US);
G11C7/06 (EP); G11C7/08 (EP,CN); G11C7/12 (US);
G11C11/4097 (EP); G11C11/4099 (EP); G11C2207/002 (EP);
G11C2207/005 (EP); G11C5/025 (EP); G11C7/14 (EP);
G11C7/18 (EP) (-)
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 [2022/29]
TitleGerman:MESSVERSTÄRKER, SPEICHERVORRICHTUNG UND LESE- UND SCHREIBVERFAHREN[2022/29]
English:SENSE AMPLIFIER, STORAGE DEVICE AND READING AND WRITING METHOD[2022/29]
French:AMPLIFICATEUR DE DÉTECTION, DISPOSITIF DE STOCKAGE ET PROCÉDÉ DE LECTURE ET D'ÉCRITURE[2022/29]
Entry into regional phase11.04.2022Translation filed 
11.04.2022National basic fee paid 
11.04.2022Search fee paid 
11.04.2022Designation fee(s) paid 
11.04.2022Examination fee paid 
Examination procedure11.04.2022Examination requested  [2022/29]
31.05.2023Amendment by applicant (claims and/or description)
31.05.2023Date on which the examining division has become responsible
08.08.2023Despatch of a communication from the examining division (Time limit: M04)
04.12.2023Reply to a communication from the examining division
05.02.2024Despatch of a communication from the examining division (Time limit: M04)
31.05.2024Reply to a communication from the examining division
26.07.2024Despatch of a communication from the examining division (Time limit: M02)
Fees paidRenewal fee
20.03.2023Renewal fee patent year 03
27.03.2024Renewal 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[XI]US2011080796  (BRUENNERT MICHAEL [DE], et al);
 [A]US8432762  (KIM JOUNG-YEAL [KR], et al);
 [I]US2017365308  (CHA SOO-HO [KR], et al);
 [A]US2019189192  (KIM KYUNGRYUN [KR], et al)
International search[A]JPH0198187  (MATSUSHITA ELECTRIC IND CO LTD) [A] 1-20* entire document *;
 [XY]CN102881318  (SUZHOU XEL TECHNOLOGY INC) [X] 1,4-6,20 * description, paragraphs [0029]-[0062], figure 2 * [Y] 2-3,7-19;
 [A]CN210156119U  (CHANGXIN MEMORY TECH INC) [A] 1-20 * entire document *;
 [Y]CN210575115U  (CHANGXIN MEMORY TECH INC) [Y] 2-3,7-19 * description, paragraphs [0044]-[0065] *;
 [PX]CN212303080U  (CHANGXIN MEMORY TECH INC) [PX] 1-20 * entire document *
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.