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Extract from the Register of European Patents

EP About this file: EP4050648

EP4050648 - SEMICONDUCTOR DEVICE, RECTIFYING ELEMENT USING SAME, AND ALTERNATOR [Right-click to bookmark this link]
StatusRequest for examination was made
Status updated on  29.07.2022
Database last updated on 25.09.2024
FormerThe international publication has been made
Status updated on  01.05.2021
Most recent event   Tooltip26.01.2024Amendment by applicant 
Applicant(s)For all designated states
Hitachi Power Semiconductor Device, Ltd.
2-2 Omika-cho 5-chome
Hitachi-shi, Ibaraki 319-1221 / JP
[2022/35]
Inventor(s)01 / SHIRAISHI Masaki
c/o HITACHI, LTD., 6-6, Marunouchi 1-chome,
Chiyoda-ku
Tokyo 100-8280 / JP
02 / SAKANO Junichi
c/o HITACHI, LTD., 6-6, Marunouchi 1-chome,
Chiyoda-ku
Tokyo 100-8280 / JP
 [2022/35]
Representative(s)Mewburn Ellis LLP
Aurora Building
Counterslip
Bristol BS1 6BX / GB
[2022/35]
Application number, filing date20879597.106.10.2020
[2022/35]
WO2020JP37858
Priority number, dateJP2019019321524.10.2019         Original published format: JP 2019193215
[2022/35]
Filing languageJA
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2021079735
Date:29.04.2021
Language:JA
[2021/17]
Type: A1 Application with search report 
No.:EP4050648
Date:31.08.2022
Language:EN
[2022/35]
Search report(s)International search report - published on:JP29.04.2021
(Supplementary) European search report - dispatched on:EP27.11.2023
ClassificationIPC:H01L29/78, H01L29/866, H01L23/433, H01L23/495, // H01L23/00, H02M7/219, H02M7/00, H01L29/417, H01L29/06
[2023/52]
CPC:
H01L29/7808 (EP); H01L29/7813 (EP,CN); H01L27/0211 (US);
H01L23/3135 (US); H01L23/4334 (EP); H01L23/48 (CN);
H01L23/49562 (EP); H01L23/49575 (EP); H01L23/49589 (EP);
H01L24/32 (EP,US); H01L24/48 (EP,US); H01L25/16 (CN);
H01L25/165 (US); H01L27/0629 (CN); H01L27/0727 (US);
H01L29/0619 (EP,CN); H01L29/7811 (EP); H01L29/866 (CN);
H02M7/217 (CN); H01L2224/04026 (EP); H01L2224/04042 (EP);
H01L2224/0603 (EP); H01L2224/26145 (EP); H01L2224/291 (EP);
H01L2224/32245 (EP,US); H01L2224/33181 (EP); H01L2224/48091 (EP);
H01L2224/48137 (EP,US); H01L2224/48245 (US); H01L2224/48247 (EP);
H01L2224/73215 (EP); H01L2224/73265 (EP); H01L24/01 (EP);
H01L24/06 (EP); H01L24/33 (EP); H01L24/49 (EP);
H01L29/0638 (EP); H01L29/41766 (EP); H01L2924/00014 (EP);
H01L2924/12035 (EP); H01L2924/13091 (EP,US); H01L2924/14 (EP);
H01L2924/181 (EP); H01L2924/19041 (EP,US); H01L2924/19105 (EP);
H02M7/003 (EP); H02M7/219 (EP) (-)
C-Set:
H01L2224/291, H01L2924/014, H01L2924/00014 (EP);
H01L2224/48091, H01L2924/00014 (EP);
H01L2224/73265, H01L2224/32245, H01L2224/48247, H01L2924/00012 (EP);
H01L2924/00014, H01L2224/45099 (EP);
H01L2924/181, H01L2924/00012 (EP)
(-)
Former IPC [2022/35]H01L23/48, H01L21/8234, H01L27/06, H01L27/088, H01L29/06, H01L29/78, H01L21/329, H01L29/866, H02M7/21
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 [2022/35]
TitleGerman:HALBLEITERBAUELEMENT, GLEICHRICHTERELEMENT, DAS DASSELBE VERWENDET, UND WECHSELSTROMGENERATOR[2022/35]
English:SEMICONDUCTOR DEVICE, RECTIFYING ELEMENT USING SAME, AND ALTERNATOR[2022/35]
French:DISPOSITIF À SEMI-CONDUCTEUR, ÉLÉMENT DE REDRESSEMENT L'UTILISANT, ET ALTERNATEUR[2022/35]
Entry into regional phase14.04.2022Translation filed 
14.04.2022National basic fee paid 
14.04.2022Search fee paid 
14.04.2022Designation fee(s) paid 
14.04.2022Examination fee paid 
Examination procedure14.04.2022Examination requested  [2022/35]
24.01.2024Amendment by applicant (claims and/or description)
24.01.2024Date on which the examining division has become responsible
Fees paidRenewal fee
18.10.2022Renewal fee patent year 03
23.10.2023Renewal fee patent year 04
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Documents cited:Search[A]JP2007110002  (FUJI ELEC DEVICE TECH CO LTD) [A] 1-10* figures 1-6 *;
 [I]EP0899791  (SILICONIX INC [US]) [I] 1,2 * paragraphs [0042] - [0044] - [0 91] , [0 92]; figures 6, 25 *;
 [A]US2016260678  (SATO TOMOHIKO [JP]) [A] 1-10 * figures 3-8 *;
 [I]US2019043984  (SHIRAISHI MASAKI [JP], et al) [I] 1,3-10 * paragraphs [0042] , [0 95] - [0102] - [ 128] , [ 136] - [0138] - [ 176] , [ 190] - [0195] - [ 212] , [ 213]; figures 1, 2, 5, 6, 8, 11-14, 17 *
International search[A]JP2007110002  (FUJI ELEC DEVICE TECH CO LTD) [A] 1-10 * [0011]-[0015], [0019]-[0020], 1 *;
 [A]JP2011507468  [A] 1-10* [0011]-[0024], 2-7 *;
 [A]JP2016162948  (TOYOTA MOTOR CORP) [A] 1-10 * [0036]-[0037], 5 *;
 [A]JP2019033144  (HITACHI POWER SEMICONDUCTOR DEVICE LTD) [A] 1-10 * [0016]-[0083], 1-6, 11-17 *;
 [A]JP2019129656  (DENSO CORP) [A] 1-10 * [0025]-[0073], 1-7 *
by applicantJPH10215552
 JP2012174878
 JP2015116053
 JP2019033144
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.