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Extract from the Register of European Patents

EP About this file: EP4159703

EP4159703 - SILICON NITRIDE SINTERED BODY, WEAR-RESISTANT MEMBER USING SAME, AND METHOD FOR PRODUCING SILICON NITRIDE SINTERED BODY [Right-click to bookmark this link]
StatusRequest for examination was made
Status updated on  03.03.2023
Database last updated on 03.10.2024
FormerThe international publication has been made
Status updated on  03.12.2021
Most recent event   Tooltip08.06.2024Supplementary search reportpublished on 10.07.2024  [2024/28]
Applicant(s)For all designated states
KABUSHIKI KAISHA TOSHIBA
1-1, Shibaura 1-chome
Minato-ku
Tokyo
105-0023 / JP
For all designated states
Toshiba Materials Co., Ltd.
8, Shinsugita-Cho
Isogo-Ku
Yokohama-Shi
Kanagawa 235-0032 / JP
[2023/14]
Inventor(s)01 / FUNAKI, Kai
Yokohama-shi, Kanagawa 235-0032 / JP
 [2023/14]
Representative(s)Hoffmann Eitle
Patent- und Rechtsanwälte PartmbB
Arabellastraße 30
81925 München / DE
[2023/14]
Application number, filing date21811913.925.05.2021
[2023/14]
WO2021JP19816
Priority number, dateJP2020009116226.05.2020         Original published format: JP 2020091162
[2023/14]
Filing languageJA
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2021241583
Date:02.12.2021
Language:JA
[2021/48]
Type: A1 Application with search report 
No.:EP4159703
Date:05.04.2023
Language:EN
[2023/14]
Search report(s)International search report - published on:JP02.12.2021
(Supplementary) European search report - dispatched on:EP07.06.2024
ClassificationIPC:C04B35/587, B23B27/14, F16C33/32, C04B35/638, C04B35/645, C04B35/593
[2024/28]
CPC:
C04B35/593 (EP); C04B35/587 (US); C04B35/62695 (US);
C04B35/638 (EP); C04B35/64 (US); C04B35/645 (EP);
F16C33/32 (EP); C04B2235/3873 (US); C04B2235/3878 (EP);
C04B2235/5445 (EP); C04B2235/6567 (EP); C04B2235/6586 (EP);
C04B2235/661 (EP); C04B2235/72 (EP); C04B2235/723 (EP);
C04B2235/786 (EP,US); C04B2235/788 (EP); C04B2235/87 (US);
C04B2235/96 (EP); C04B2235/963 (EP); F16C2206/60 (EP) (-)
Former IPC [2023/14]C04B35/587, B23B27/14, F16C33/32
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 [2023/14]
TitleGerman:SILICIUMNITRID-SINTERKÖRPER, VERSCHLEISSFESTES ELEMENT DAMIT UND VERFAHREN ZUR HERSTELLUNG EINES SILICIUMNITRID-SINTERKÖRPERS[2023/14]
English:SILICON NITRIDE SINTERED BODY, WEAR-RESISTANT MEMBER USING SAME, AND METHOD FOR PRODUCING SILICON NITRIDE SINTERED BODY[2023/14]
French:CORPS FRITTÉ DE NITRURE DE SILICIUM, ÉLÉMENT RÉSISTANT À L'USURE L'UTILISANT, ET PROCÉDÉ DE PRODUCTION, ET PROCÉDÉ DE PRODUCTION DE CORPS FRITTÉ DE NITRURE DE SILICIUM[2023/14]
Entry into regional phase25.11.2022Translation filed 
25.11.2022National basic fee paid 
25.11.2022Search fee paid 
25.11.2022Designation fee(s) paid 
25.11.2022Examination fee paid 
Examination procedure25.11.2022Examination requested  [2023/14]
Fees paidRenewal fee
14.03.2023Renewal fee patent year 03
13.03.2024Renewal fee patent year 04
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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]JPH05170547  (DENKI KAGAKU KOGYO KK);
 [X]JP2006036554  (TOSHIBA CORP, et al);
 [X]CN106518089  (MAT INST CHINA ACAD ENG PHYSICS)
International search[X]JP2011016716  (TOSHIBA CORP, et al);
 [A]WO2011102298  (TOSHIBA KK [JP], et al);
 [X]JP2014073944  (HITACHI METALS LTD);
 [X]JP2014073945  (HITACHI METALS LTD)
by applicantJPH0251206
 JPH0977560
 JPH09157031
 JPH09235165
 JP2002053376
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.