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Extract from the Register of European Patents

EP About this file: EP4144879

EP4144879 - TUNGSTEN MATERIAL [Right-click to bookmark this link]
StatusRequest for examination was made
Status updated on  03.02.2023
Database last updated on 28.09.2024
FormerThe international publication has been made
Status updated on  14.10.2022
Most recent event   Tooltip31.08.2024Amendment by applicant 
Applicant(s)For all designated states
A.L.M.T. Corp.
8-21-1, Ginza
Chuo-ku
Tokyo 104-0061 / JP
[2023/39]
Former [2023/10]For all designated states
A.L.M.T. Corp.
11-11 Shiba 1-chome Minato-ku
Tokyo 105-0014 / JP
Inventor(s)01 / IIKURA, Takeshi
Sakata-shi, Yamagata 998-0064 / JP
02 / KADOKURA, Takanori
Toyama-shi, Toyama 931-8543 / JP
 [2023/10]
Representative(s)Prüfer & Partner mbB Patentanwälte · Rechtsanwälte
Sohnckestraße 12
81479 München / DE
[2023/10]
Application number, filing date22784536.925.03.2022
[2023/10]
WO2022JP14433
Priority number, dateJP2021006481106.04.2021         Original published format: JP 2021064811
[2023/10]
Filing languageJA
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2022215551
Date:13.10.2022
Language:JA
[2022/41]
Type: A1 Application with search report 
No.:EP4144879
Date:08.03.2023
Language:EN
[2023/10]
Search report(s)International search report - published on:JP13.10.2022
(Supplementary) European search report - dispatched on:EP31.05.2024
ClassificationIPC:C22C27/04, C22C1/04, C22F1/00, C22F1/18, B22F3/10, B22F1/00
[2023/10]
CPC:
C22C1/045 (EP,US); C22C27/04 (EP,KR,US); C22F1/18 (EP,KR,US);
B22F1/05 (KR,US); B22F1/145 (US); B22F3/10 (KR,US);
C22C1/04 (KR); B22F2998/10 (EP); B22F2999/00 (EP);
Y02E30/10 (EP) (-)
C-Set:
B22F2998/10, C22C1/1084, B22F3/02, B22F3/1007, B22F2003/175, B22F2003/185, B22F2003/247 (EP);
B22F2999/00, B22F3/1007, B22F2201/013 (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 [2023/10]
TitleGerman:WOLFRAMMATERIAL[2023/10]
English:TUNGSTEN MATERIAL[2023/10]
French:MATÉRIAU DE TUNGSTÈNE[2023/10]
Entry into regional phase28.11.2022Translation filed 
28.11.2022National basic fee paid 
28.11.2022Search fee paid 
28.11.2022Designation fee(s) paid 
28.11.2022Examination fee paid 
Examination procedure28.11.2022Examination requested  [2023/10]
29.08.2024Amendment by applicant (claims and/or description)
29.08.2024Date on which the examining division has become responsible
Fees paidRenewal fee
26.03.2024Renewal fee patent year 03
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See the Register of the Unified Patent Court for opt-out data
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]DE102015218408  (SIEMENS AG [DE]);
International search[A]JPS58133356  (TOKYO TUNGSTEN KK);
 [A]JPH029786  (NAT RES INST METALS, et al);
 [A]JPH06116077  (TOKYO TUNGSTEN KK);
 [A]WO2005073418  (NIPPON TUNGSTEN [JP], et al);
 [A]WO2012097393  (PLANSEE SE [AT], et al);
 [A]CN102796977  (ADVANCED TECHNOLOGY & MAT CO);
 [A]CN111136264  (XI'AN REFRA TUNGSTEN & MOLYBDENUM CO LTD)
by applicantJPS62146235
 JP2021064811
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.