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Extract from the Register of European Patents

EP About this file: EP4061044

EP4061044 - CONTROL DEVICE, CONTROL METHOD, AND PROGRAM SELECTIVELY USING PLURALITY OF ANTENNAS [Right-click to bookmark this link]
StatusExamination is in progress
Status updated on  28.02.2025
Database last updated on 18.03.2026
FormerRequest for examination was made
Status updated on  19.08.2022
FormerThe international publication has been made
Status updated on  21.05.2021
Most recent event   Tooltip27.08.2025New entry: Renewal fee paid 
Applicant(s)For all designated states
KDDI Corporation
3-2, Nishi-Shinjuku 2-chome
Shinjuku-ku
Tokyo 163-8003 / JP
[2022/38]
Inventor(s)01 / OHSEKI, Takeo
c/o KDDI Research, Inc.,
2-1-15, Ohara
Fujimino-shi, Saitama 356-8502 / JP
02 / ITO, Masaaki
c/o KDDI Research, Inc.,
2-1-15, Ohara
Fujimino-shi, Saitama 356-8502 / JP
03 / KANNO, Issei
c/o KDDI Research, Inc.,
2-1-15, Ohara
Fujimino-shi, Saitama 356-8502 / JP
04 / YAMAZAKI, Kosuke
c/o KDDI Research, Inc.,
2-1-15, Ohara
Fujimino-shi, Saitama 356-8502 / JP
 [2022/38]
Representative(s)Pitchford, James Edward, et al
Mathys & Squire The Shard
32 London Bridge Street
London SE1 9SG / GB
[2022/38]
Application number, filing date20886633.525.08.2020
[2022/38]
WO2020JP31974
Priority number, dateJP2019020482612.11.2019         Original published format: JP 2019204826
[2022/38]
Filing languageJA
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2021095322
Date:20.05.2021
Language:JA
[2021/20]
Type: A1 Application with search report 
No.:EP4061044
Date:21.09.2022
Language:EN
[2022/38]
Search report(s)International search report - published on:JP20.05.2021
(Supplementary) European search report - dispatched on:EP25.11.2022
ClassificationIPC:H04W16/28, H04W72/08, H04B7/024, H04B7/06, H04W74/08, H04W88/08, H04B7/08
[2022/52]
CPC:
H04B7/024 (EP); H04B7/0608 (EP,US); H04B7/0802 (EP,US);
H04L5/0048 (EP,US); H04W74/0833 (EP,US); H04L5/0023 (EP);
H04L5/0032 (EP); H04L5/0092 (EP) (-)
Former IPC [2022/38]H04W16/28, H04W72/08, H04B7/024, H04B7/06, H04W74/08, H04W88/08
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 [2022/38]
TitleGerman:STEUERVORRICHTUNG, STEUERVERFAHREN UND PROGRAMM, DAS SELEKTIV MEHRERE ANTENNEN VERWENDET[2022/38]
English:CONTROL DEVICE, CONTROL METHOD, AND PROGRAM SELECTIVELY USING PLURALITY OF ANTENNAS[2022/38]
French:DISPOSITIF ET PROCÉDÉ DE COMMANDE, ET PROGRAMME UTILISANT DE FAÇON SÉLECTIVE UNE PLURALITÉ D'ANTENNES[2022/38]
Entry into regional phase10.05.2022Translation filed 
10.05.2022National basic fee paid 
10.05.2022Search fee paid 
10.05.2022Designation fee(s) paid 
10.05.2022Examination fee paid 
Examination procedure10.05.2022Examination requested  [2022/38]
09.06.2023Amendment by applicant (claims and/or description)
09.06.2023Date on which the examining division has become responsible
03.03.2025Despatch of a communication from the examining division (Time limit: M04)
03.07.2025Reply to a communication from the examining division
Fees paidRenewal fee
10.05.2022Renewal fee patent year 03
25.08.2023Renewal fee patent year 04
27.08.2024Renewal fee patent year 05
26.08.2025Renewal fee patent year 06
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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] US2015365157  (YANG WEIDONG et al.) [X] 1-7,10-12 * paragraphs [0046] - [0047] - [ 0072] - [0074] - [0080]; figures 2A,2B,7 *[I] 8
 [XI] EP3537831  (ZTE CORP et al.) [X] 1,7,8,10-12 * paragraphs [0069] - [0074] - [0076] - [0077] - [0121] , [ 0227]; figure 1 *[I] 9
International search[A] JP2005151369  (NEC CORP et al.) [A] 1-12
 [A] JP2008048086  (FUJITSU LTD et al.) [A] 1-12 * [0003] *
 [A]   ERICSSON, SONY: "Verification of beam correspondence during initital access", 3GPP TSG RAN WG4 #92 R4-1908719, 30 August 2019 (2019-08-30), XP051771666 [A] 1-12 * 3 *
by applicantJP2019204826
   M. KARLSSON: "Techniques for System Information Broadcast in Cell-Free Massive MIMO", IEEE TRANSACTION ON COMMUNICATION, January 2019 (2019-01-01) [A] 1-12 * 3 *
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.