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Extract from the Register of European Patents

EP About this file: EP4245543

EP4245543 - LIQUID DISCHARGE HEAD AND LIQUID DISCHARGE APPARATUS [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  13.03.2026
Database last updated on 28.03.2026
FormerThe patent has been granted
Status updated on  04.04.2025
FormerGrant of patent is intended
Status updated on  18.11.2024
FormerRequest for examination was made
Status updated on  18.08.2023
Most recent event   Tooltip13.03.2026No opposition filed within time limitpublished on 15.04.2026 [2026/16]
Applicant(s)For all designated states
Ricoh Company, Ltd.
3-6, Nakamagome 1-chome
Ohta-ku
Tokyo 143-8555 / JP
[2023/38]
Inventor(s)01 / Kurosawa, Tomoko
Tokyo 143-8555 / JP
02 / Sagae, Eiri
Tokyo 143-8555 / JP
03 / Nakashima, Makito
Tokyo 143-8555 / JP
04 / Maeshiro, Riku
Kanagawa 243-0298 / JP
 [2023/38]
Representative(s)SSM Sandmair
Patentanwälte Rechtsanwalt
Partnerschaft mbB
Joseph-Wild-Straße 20
81829 München / DE
[2023/38]
Application number, filing date23161937.015.03.2023
[2023/38]
Priority number, dateJP2022004031915.03.2022         Original published format: JP 2022040319
JP2022005164228.03.2022         Original published format: JP 2022051642
JP2022018430517.11.2022         Original published format: JP 2022184305
[2023/38]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report 
No.:EP4245543
Date:20.09.2023
Language:EN
[2023/38]
Type: B1 Patent specification 
No.:EP4245543
Date:07.05.2025
Language:EN
[2025/19]
Search report(s)(Supplementary) European search report - dispatched on:EP26.07.2023
ClassificationIPC:B41J2/14
[2023/38]
CPC:
B41J2/14201 (EP); B41J2/17596 (US); B41J2202/05 (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,   ME,   MK,   MT,   NL,   NO,   PL,   PT,   RO,   RS,   SE,   SI,   SK,   SM,   TR [2023/38]
TitleGerman:FLÜSSIGKEITSAUSSTOSSKOPF UND FLÜSSIGKEITSAUSSTOSSVORRICHTUNG[2023/38]
English:LIQUID DISCHARGE HEAD AND LIQUID DISCHARGE APPARATUS[2023/38]
French:TÊTE D'ÉJECTION DE LIQUIDE ET APPAREIL D'ÉJECTION DE LIQUIDE[2023/38]
Examination procedure15.03.2023Examination requested  [2023/38]
17.01.2024Amendment by applicant (claims and/or description)
17.01.2024Date on which the examining division has become responsible
19.11.2024Communication of intention to grant the patent
17.03.2025Fee for grant paid
17.03.2025Fee for publishing/printing paid
17.03.2025Receipt of the translation of the claim(s)
Opposition(s)10.02.2026No opposition filed within time limit [2026/16]
Fees paidRenewal fee
26.03.2025Renewal fee patent year 03
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Patent Court		 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.
Lapses during opposition  TooltipAT07.05.2025
BG07.05.2025
CZ07.05.2025
DK07.05.2025
EE07.05.2025
FI07.05.2025
HR07.05.2025
LV07.05.2025
NL07.05.2025
PL07.05.2025
SK07.05.2025
SM07.05.2025
NO07.08.2025
RS07.08.2025
GR08.08.2025
IS07.09.2025
PT08.09.2025
[2026/11]
Former [2026/09]AT07.05.2025
BG07.05.2025
CZ07.05.2025
DK07.05.2025
FI07.05.2025
HR07.05.2025
LV07.05.2025
NL07.05.2025
PL07.05.2025
SM07.05.2025
NO07.08.2025
RS07.08.2025
GR08.08.2025
IS07.09.2025
PT08.09.2025
Former [2025/49]AT07.05.2025
BG07.05.2025
FI07.05.2025
HR07.05.2025
LV07.05.2025
NL07.05.2025
PL07.05.2025
NO07.08.2025
RS07.08.2025
GR08.08.2025
IS07.09.2025
PT08.09.2025
Former [2025/48]AT07.05.2025
BG07.05.2025
FI07.05.2025
HR07.05.2025
NL07.05.2025
PL07.05.2025
NO07.08.2025
RS07.08.2025
GR08.08.2025
PT08.09.2025
Former [2025/46]FI07.05.2025
PT08.09.2025
Documents cited:Search[XI] US9676184  (WALLSTEN HANS ELON et al.)
by applicantJP2020023177
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.